SlideShare a Scribd company logo
1 of 86
Fungal diseases 
Intensivist should know 
Abid Alwan 
MD, JBIM, SF-CCM 
Intensive Care Services 
Prince Sultan Military Medical City 
Muhammad Asim Rana 
BSc, MBBS, MRCP, MRCPS, FCCP, EDIC, SF-CCM 
Department of Critical Care Medicine 
King Saud Medical City
Infections rate in ICU
Fungal Diseases 
• Yeasts 
– Candida 
– Cryptococcus 
– Environmental Yeast: Histo/Cocci/Blasto 
• Molds 
– Aspergillus 
–Mucor 
– Fusarium
Candida Species 
• Albicans 
Most common if patient not on azole prophylaxis 
• Glabrata 
Azole resistant strains selected out by azole prophylaxis 
• Paraspillosis 
Skin flora-most often seen in NICU 
• Krusei 
Inherently resistant to azole
Candida Species 
• The clinical manifestations range from local 
mucous membrane infections to widespread 
dissemination with multisystem organ failure. 
• In the neutropenic host or the severely ill 
patients, widespread visceral dissemination 
occurs when Candida species gain access to 
the bloodstream…… Candidemia !!!
Disseminated candidiasis 
• This is frequently associated with multiple 
deep organ infections or may involve single 
organ infection. 
• Unfortunately, blood cultures are negative in 
up to 40-60% of patients with disseminated 
candidiasis.
Disseminated candidiasis 
• The history of a patient with presumptive 
disseminated candidiasis reveals a fever 
unresponsive to broad-spectrum 
antimicrobials and negative results from blood 
culture. 
• Physical examination reveals fever (may be the 
only symptom) with an unknown source and 
associated sepsis and septic shock.
Terminology 
• Candidemia 
– Presence of Candida species in the blood. 
• Candida in a blood culture should never be 
viewed as a contaminant and should always 
prompt a search for the source of infection. 
• Invasive Candidiasis 
– hematogenous spread to multiple viscera 
– (e.g. eye, kidney, heart valves, brain)
Clinical clues 
To hematogenous spread of Candida 
• Characteristic eye lesions 
– chorioretinitis with or without vitritis 
• Skin lesions 
– appear suddenly as clusters of painless pustules 
on an erythematous base 
• muscle abscesses
EPIDEMIOLOGY 
• Fourth most common cause of nosocomial 
bloodstream infections, accounting for 9 
percent of cases in a national survey of United 
States hospitals from 1995 to 2002 
• Most often part of the host's endogenous 
flora
EPIDEMIOLOGY 
• C. albicans is the most common cause of 
candidemia. 
• C. glabrata was responsible for 26 %. 
• C. parapsilosis 16 percent. 
• C. tropicalis 8 % 
• C. krusei 3 % 
Knowing the prevalence of the non- albicans 
Candida species is important because 
susceptibility to antifungal agents varies among 
the species
Epidemiology of candidemia 
Tortorano Trick Diekema Richet Pfaller Marchetti 
(n=569) (n=2759) (n=254) (n=377) (n=1134) (n=1137) 
J Hosp Infect CID J Clin Microbiol CMI J Clin Microbiol CID 
2002 2002 2002 2002 2002 2004 
C.albicans 58,50% 59% 58% 53% 55% 66% 
C.glabrata 12,80% 12% 20% 11% 15% 15% 
C.parapsilosis 14,60% 11% 7% 16% 15% 1% 
C.tropicalis 6,10% 10% 11% 9% 9% 9% 
C.krusei 0,90% 1,20% 2% 4% 1% 2% 
Miscellaneous 7,10% 7% 2% 6% 1% 7%
Invasive Candidiasis in the ICU 
• Common in the ICU (9.8/1000 admissions) with 
high morbidity (increased LOS ~22 days) & 
mortality (~ 30-40%) resulting in increased cost 
(~ $44,000/ episode). 
• Difficult to diagnose (cultures positive in only ~ 
50%).
Invasive Candidiasis in the ICU 
• We can define ICU risk factors for candidiasis 
and target the population at highest risk with 
empiric Rx. 
• Recent increase in Candida spp. resistant to 
Diflucan. 
• Advances in antifungal therapy have resulted in 
agents, like 
– echinocandins and triazoles, with high activity, a 
broad spectrum, and low toxicity ideal for empiric 
therapy and combination therapy options.
Risk factors 
• Patients in the intensive care unit (ICU) and those 
who are immunocompromised are most at Risk 
• factors for nosocomial candidemia : 
 Hickman catheters (adjusted odds ratio OR 9.5). 
 gastric acid suppressants (adjusted OR 6.4). 
 ICU admission (adjusted OR 6.4). 
 nasogastric tube (adjusted OR 3.7). 
administration of antibiotics (adjusted OR 1.5 per 
antibiotic given).
PATHOGENESIS 
Three major routes to the bloodstream: 
• Through the gastrointestinal tract mucosal 
barrier ( the most common mechanism) 
• Via an intravascular catheter 
• From a localized focus of infection, such as 
pyelonephritis
Colonization 
• It’s an independent predictor of candidemia. 
• Although colonization alone does not predict 
which patients will develop fungemia, 
candidemia is very uncommon in a patient 
who is free of colonizing yeasts.
Candida albicans Candida glabrata
Mucosal Candidiasis
Candida Endophthalmitis
Disseminated Candida Skin Lesion 
in Neuotropenic Patient
Hepatic Lesions Of Candida in 
Contrast Enhanced CT
Question 
A serum beta glucan test would be expected to 
be negative for which of the following 
• a) Candida albicans 
• b) Candida glabrata 
• c) Aspergillus niger 
• d) Mucor 
• e) Histoplasma capsulatum
Diagnosis of Candidemia 
• Blood culture 
Routine cultures in 24-72 hours , 50% sensitivity. 
• Serology and Bronchoalveolar Lavage. 
Beta glucan: sensitive(70-85%) but not specific for all 
fungi EXCEPT MUCOR-not specific for 
Candida 
Galactomannan: ”Aspergillus Test” 
• positive for molds, not yeast and NOT Mucor 
• Physical exam 
• Imaging
Significance of Candida 
• Blood : 
50% sensitivity 
Always merits treatment 
Catheters should always be replaced. 
• Respiratory: 
“Never” merits treatment. 
• Urine: 
Usually insignificant. 
• Sterile fluids or tissue: 
Obviously needs therapy.
Therapy of Invasive Candidiasis 
in the ICU 
• A definitive diagnosis of IC may be delayed when 
the clinical and laboratory tools readily available 
to clinicians are used to assess patients for 
Candida infection. 
• A delay in diagnosis will unfortunately result in a 
delay in initiation of antifungal therapy, which is 
associated with increased mortality*. 
• Therefore, in the patient with suspected Candida 
infection, treatment may need to be initiated on 
the basis of individual patient factors before a 
definitive diagnosis is made. 
*Morrel M et al. 2005. Antimicrob Agents Chemother. 49(9): 3640-5. 
*Garey K et al. 2006. Clin Infect Dis. 43: 25-31.
Can we wait for the blood culture 
results in candidemia? 
• Retrospective cohort analysis 1/2001-12/2004: 
N=157 patients with candidemia. 
• Delay in empiric Rx of candidemia till after 
blood cultures turn positive resulted in higher 
mortality. 
• Start of anti-fungal Rx >12 hrs of drawing a 
blood culture that turns positive had AOR= 
2.09 for mortality, p=0.018. 
Morrel M et al. 2005. Antimicrob Agents Chemother. 49(9):3640-5
Candida prophylaxis in the Surgical ICU 
(patients with high risk for candidemia) 
• Eggiman et al. 1999. CCM 27: 1066-1072. 
– Fluconazole reduced Candida peritonitis and colonization in 43 patients 
with complicated GI surgeries. High risk patients. 
• Pelz et al. 2001. Ann Surg. 233: 542-548. 
– Fluconazole reduced candida infection in critically ill surgical patients in 
SICU > 3 days. No mortality benefit. 
– Predictors included: APACHE II score, fungal colonization, TPN, days to first 
dose of prophylactic drug. 
• Paphitou et al. 2005. Med Mycol. 43(3):235-43. 
– 327 patients in SICU > 3 days were reviewed to identify predictive factors. 
– Combination of DM, HD, TPN, broad-spectrum antibiotics had an invasive 
candidiasis rate of 16.6% versus a 5.1% rate for patients lacking these 
characteristics (P = 0.001).
Candida Prophylaxis in MICU & SICU 
(MV > 48h & expected LOS > 72h) 
Incidence of IC=5.8% 
Incidence of IC=16% 
Garbino et al. Intensive Care 
Med. 2002;28:1708-17
Summary (Candida Prophylaxis) 
• Prophylaxis is effective in the highest risk 
patients. 
• Prophylaxis reduces the incidence of IC. 
• A positive impact on mortality has not been 
shown except in severely 
immunocompromised hosts (neutropenia, 
BMT, or solid organ transplantation). 
• Distinction between prophylactic & 
preemptive therapy needed specially in ICU. 
Risk ? Dose?.
Azoles 
• Floconazole 
• approved (FDA) in 1990. 
• The azoles work primarily by inhibiting the 
cytochrome P450-dependent enzyme 
lanosterol 14-alpha-demethylase. 
• Some laboratories only screen C. glabrata 
isolates for susceptibility to fluconazole 
because this species has varying susceptibility.
Azoles 
• Voriconazole superior to Floconazole 
• However, cross-resistance between 
fluconazole and voriconazole is seen 
frequently, especially with C. glabrata. 
• Voriconazole has significantly greater in vitro 
activity against C. krusei isolates compared 
with fluconazole,
Azoles 
• Posaconazole only as an oral. 
• It is approved for use as a prophylactic agent 
for fungal infections 
– in allogeneic hematopoietic cell transplant 
recipients with graft-versus-host disease 
– in patients with prolonged neutropenia due to 
chemotherapy for hematologic malignancies. 
– for oropharyngeal candidiasis 
– not for systemic candidiasis.
Azoles 
• Itraconazol: 
• is sometimes used for mucosal candidiasis, 
but is not used for systemic infections
Azoles 
Pfaller: 
• 610 isolates of C. glabrata : Sensitivity (MIC ≤ 1 μg/ml) 
– Posaconazole : 85. 4% 
– Ravuconazole : 90. 7% 
– Voriconazole : 92.8% 
• 46 fluconazole – resistant isolates of C. glabrata 
– Posaconazole : 4% 
– Ravuconazole : 8.7% 
– Voriconazole : 13% 
• Voriconazole Rx : potential for the emergence of 
voricanazole-resistant Candida glabrata
Echinocandins 
• Caspofongin, Anidulafungin, and Micafungin 
• It’s noncompetitive inhibitors of the synthesis 
of 1,3-beta-D-glucan, which is an integral 
component of the fungal cell. 
• Excellent activity against most Candida 
species. 
• Favorable toxicity profiles.
Echinocandins 
• Approved for the treatment of candidemia and 
other forms of invasive candidiasis. 
• Preferred over azoles for the initial treatment of 
candidemia if C. glabrata or C. krusei is identified 
or suspected. 
• Adverse effects are generally mild and include 
– fever 
– thrombophlebitis 
– Headache 
– elevated aminotransferases.
Amphotericin B 
• A polyene antifungal agent that disrupts 
fungal cell wall synthesis because of its ability 
to bind to sterols, primarily ergosterol, which 
leads to the formation of pores that allow 
leakage of cellular components. 
• Amphotericin B deoxycholate, which was the 
standard drug for decades, demonstrates 
rapidly cidal in vitro activity against most 
species of Candida.
Amphotericin B 
• It is also associated with significant nephrotoxicity. 
• This has led to the development of various lipid-based 
derivatives, including 
• Liposomal Amphotericin B 
• Amphotericin B lipid complex (ABLC). 
• Amphotericin B colloidal dispersion (ABCD) is 
used infrequently, in part because it causes more 
infusion-related reactions than Amphotericin B 
deoxycholate. 
• These lipid-based compounds have much less 
toxicity than Amphotericin deoxycholate but are 
significantly more expensive.
Factors to be considered 
• History of recent azole exposure 
• Prevalence of different Candida species and current 
antifungal susceptibility data in the clinical unit and 
medical center 
• Severity of illness 
• Relevant comorbidities that increase the risk 
of Floconazole -resistant Candida species (e.g., 
neutropenia ) 
• Evidence of involvement of the central nervous system, 
cardiac valves, eyes, and/or visceral organs 
• History of intolerance of to an antifungal agent
RECOMMENDATIOS 
for treatment of candidemia 
• Non-neutropenic patients : 
If clinically stable, who have not been 
exposed to recent azole therapy, and who are in 
clinical units or medical centers in which C. 
glabrata or C. krusei are uncommonly isolated 
(<15 percent of all species causing candidemia), 
the initial therapy with Fluconazole rather than 
an Echinocandins.
RECOMMENDATIONS 
for treatment of candidemia 
• In non- neutropenic patients with moderately 
severe or severe infections and/or who are at 
increased risk of C. glabrata or C. krusei 
infection, we favor an Echinocandins and we not 
use Floconazole as initial therapy, prior to the 
identification of the causative species. 
• However, in patients who have documented C. 
glabrata infection, who are already improving 
clinically on fluconazole or Voriconazole, and 
whose follow-up blood cultures are negative, 
continuing with the azole is reasonable.
Aspergillosis 
• The term "aspergillosis" refers to illness due to 
allergy, airway or lung invasion, cutaneous 
infection, or extrapulmonary dissemination 
caused by species of Aspergillus, most 
commonly A. fumigatus, A. flavus, and A. 
terreus
RISK FACTORS 
Underlying conditions that compromise pulmonary 
and systemic immune responses to inhaled 
Aspergillus. 
Classic risk factors include: 
• Severe and prolonged neutropenia 
• Receipt of high doses of glucocorticoids 
• Chronic impaired cellular immune responses 
– Immunosuppressives administered to treat autoimmune 
diseases and to prevent organ rejection, and AIDS
CLINICAL FEATURES 
Invasive aspergillosis most frequently occurs 
in the lungs or sinuses after inhalation of 
conidia, although, less commonly, disease can 
spread from the gastrointestinal tract, or 
result from direct inoculation into the skin.
CLINICAL FEATURES 
PULMONARY 
• Fever, chest pain, shortness of breath, cough, 
and/or hemoptysis. 
• The classic triad that has been described in 
neutropenic patients with pulmonary 
aspergillosis is 
– fever 
– pleuritic chest pain 
– hemoptysis
CLINICAL FEATURES 
PULMONARY 
• Chest x-ray is insensitive for detecting the earliest 
stages 
• CT scans abnormality is variable, depending upon the 
host and the type of disease: 
– bronchopneumonia 
– angioinvasive aspergillosis, 
– Tracheobronchitis 
– chronic necrotizing aspergillosis. 
- small nodules (<1 cm) were most common (43 %). 
- consolidation (26 %). 
- large nodules (masses, 21 %). 
- peribronchial infiltrates (9 %).
CLINICAL FEATURES 
PULMONARY 
In neutropenic patients, in 
whom the initial findings 
typically include nodules that 
have surrounding ground glass 
infiltrates (halo sign), reflecting 
hemorrhage into the area 
surrounding the fungus. 
These nodules typically 
enlarge, even during 
appropriate therapy, and may 
eventually cavitate, producing 
the air-crescent sign
CLINICAL FEATURES 
Tracheobronchitis 
• Most often described in lung transplant 
recipients and patients with AIDS. 
• Affected patients typically present with 
prominent dyspnea, cough, and wheezing; 
they occasionally expectorate intraluminal 
mucus plugs. 
• Chest imaging may be normal or reveal areas 
of airway thickening, patchy infiltrates, 
consolidation, or centrilobular nodules.
CLINICAL FEATURES 
Disseminated infection 
• Disseminated infection — In the presence of 
angioinvasive disease, Aspergillus spp can 
disseminate beyond the respiratory tract to 
multiple different organs, including the skin, 
brain, eyes, liver, and kidneys. 
• Disseminated infection is associated with a 
very poor prognosis.
CLINICAL FEATURES 
Rhinosinusitis 
• In the paranasal sinuses, aspergillosis can present in an 
identical fashion to mucormycosis. However, 
rhinocerebral aspergillosis is usually seen in neutropenic 
patients, whereas mucormycosis more often occurs in 
those with diabetes mellitus. 
• nasal congestion, fever, and pain in the face and around 
the eye are common presenting features. 
• If the orbit becomes involved, additional symptoms may 
include blurred vision, proptosis, and chemosis. The 
infection can also extend locally into the vasculature and 
the brain, leading to cavernous sinus thrombosis and a 
variety of central nervous system (CNS) manifestations.
CLINICAL FEATURES 
Rhinosinusitis 
• Imaging findings may be subtle and can 
include focal soft tissue lesions, subtle focal 
bony erosions, focal enhancement of the 
sinus lining on magnetic resonance imaging or 
focal hypodense areas on computed 
tomography scan . 
• Biopsy is necessary to establish the diagnosis; 
multiple biopsies are sometimes necessary
CLINICAL FEATURES 
Chronic necrotizing 
chronic cavitatry pulmonary aspergillosis 
• Patients who have underlying chronic lung 
disease are at risk for indolent forms of 
pulmonary aspergillosis, characterized by 
cavities or infiltrates. 
• Presumably, the slowly progressive nature of 
this infection is a function of the host immune 
response, which is enough to hold the 
organism in check, but not to eliminate it.
CLINICAL FEATURES 
Chronic necrotizing and chronic 
cavitarty pulmonary aspergillosis 
• Cough, weight loss, fatigue, and chest pain 
are common, and the chest x-ray shows a 
slowly progressive lesion, which can be better 
defined by CT scanning. However, 
interpretation of radiologic studies may be 
complicated by the presence of concomitant 
lung disease, since this is the setting in which 
chronic invasive aspergillosis usually occurs.
CLINICAL FEATURES 
Central nervous system 
• (CNS) aspergillosis may occur in the setting of 
disseminated infection, as well as from local 
extension from the paranasal sinuses. Patients 
with CNS involvement with Aspergillus spp may 
present with seizures or focal neurological signs. 
• * very poor prognosis.
CLINICAL FEATURES 
Central nervous system 
• In a study of the computed tomography 
and/or magnetic resonance imaging findings 
associated with CNS aspergillosis, three 
patterns were observed : 
• A- Ring-enhancing lesions consistent with 
brain abscesses . 
• B- Cerebral cortical and subcortical infarction, 
with or without superimposed hematomas . 
• C- Mucosal thickening of a paranasal sinus 
with secondary intracranial dural 
enhancement consistent with direct extension 
from the sinuses .
CLINICAL FEATURES 
Endophthalmitis 
• Involvement of the deep structures of the eye results 
not only from hematogenous spread. In other 
patients, corneal infection or direct inoculation 
following trauma is the genesis of infection . Patients 
present with eye pain and visual changes . 
• Progressive infection is characterized by destruction 
of multiple components of the eye. The outcome is 
usually poor with loss of useful vision in the affected 
eye, and a requirement for enucleation in some 
cases.
CLINICAL FEATURES 
Endocarditis 
• Aspergillus spp are second only to Candida spp 
as a cause of fungal endocarditis . 
• This infection occurs primarily in patients with 
prosthetic heart valves. In many patients, 
infection occurs at the time of surgery, with the 
fungus contaminating the surgical site. Patients 
may present at any time postoperatively. 
• Other patients at risk for the development of 
Aspergillus endocarditis include patients with 
indwelling central venous catheters and 
intravenous drug users.
CLINICAL FEATURES 
Endocarditis 
• Patients typically present with fever and 
embolic phenomena. Blood cultures are rarely 
positive, even when a fungal isolator system is 
used. Microscopic examination of an embolus 
will reveal the typical hyphae suggestive of 
aspergillosis, but definitive microbiologic 
diagnosis depends upon culture of the 
organism. 
• The prognosis of Aspergillus endocarditis is 
poor. Even with combined medical and 
surgical therapy, the mortality rate has 
approached 100 percent
CLINICAL FEATURES 
Cutaneous Aspergillosis 
• A healthy hosts can develop cutaneous disease in 
surgical wounds. While burn victims, neonates, and 
solid organ transplant recipients tend to develop 
primary cutaneous disease in the presence of 
prolonged local skin injury, patients with hematologic 
malignancies and hematopoietic cell transplant 
recipients more frequently develop disease due to 
contiguous or blood-borne invasion. 
• Diagnosis can only be verified by skin biopsy, 
which should be taken from the center of the lesion 
and reach the subcutaneous fat.
CLINICAL FEATURES 
Gastrointestinal aspergillosis 
• Aspergillosis can involve the (GI) tract, 
causing focal invasion as a primary site of 
inoculation and presenting as typhlitis, colonic 
ulcers, abdominal pain, and/or GI bleeding . 
Direct inoculation from the GI tract is likely, 
with risk factors including neutropenia, receipt 
of glucocorticoids, and mucosal breakdown 
(mucositis).
Diagnosis of invasive aspergillosis 
• It is based upon both isolating the organism 
(or markers of the organism) and the 
probability that it is the cause of disease. 
• Culture in combination with evidence of 
tissue invasion on histopathology, or culture 
from a normally sterile site, provides the most 
certain evidence of invasive aspergillosis
Diagnosis of invasive aspergillosis 
• Direct examination of respiratory specimens: 
• Gomori methenamine silver can be used to stain 
cytology preparations. Organisms can be 
observed as narrow (3 to 6 microns wide), 
septated hyaline hyphae with acute angle (45°) 
branching . 
• However, several filamentous fungi, including 
Scedosporium spp and Fusarium spp, have similar 
appearances to Aspergillus spp on direct 
microscopy.
Diagnosis of invasive aspergillosis 
• CULTURE: 
• Often visible in culture within one to three 
days of incubation. 
• In multicenter surveillance studies only 25 to 
50 percent of hematopoietic cell transplant 
recipients who met criteria for invasive 
aspergillosis based upon galactomannan 
antigen results had positive cultures
Diagnosis of invasive aspergillosis 
• Galactomannan antigen detection: 
• galactomannan antigen can be detected in the 
serum before the presence of clinical signs or 
symptoms 
• False positive serum results have been 
demonstrated in patients who are receiving 
certain beta-lactam antibiotics, especially 
PIP/TAZO. 
• False positive results may be seen with infections 
caused by organisms that share cross-reacting 
antigens, (eg, Fusarium species , Histoplasma 
capsulatum ).
Diagnosis of invasive aspergillosis 
• Galactomannan antigen detection 
• A meta-analysis that included 27 studies with 
a total of 4000 patients (mainly with 
hematologic malignancies), reported that 
overall sensitivity and specificity of the 
galactomannan antigen assay for proven 
invasive aspergillosis were 71 percent (95% CI 
68-74 percent) and 89 percent (95% CI 88-90 
percent), respectively
Diagnosis of invasive aspergillosis 
• Bronchoalveolar lavage fluid: 
• A retrospective study was performed in which 
251 patients who were at risk for invasive 
aspergillosis and who presented with 
unexplained nodular lesions or consolidation on 
lung imaging underwent galactomannan antigen 
testing of BAL fluid [8]. 
• the sensitivity of galactomannan antigen testing 
of BAL fluid for diagnosing proven or probable 
invasive aspergillosis was 86 percent and the 
specificity was 91 percent.
Diagnosis of invasive aspergillosis 
• Beta-D- glucan assay: 
• In a 2011 meta-analysis that included 16 
studies evaluating beta-D- glucan assays for 
the diagnosis of invasive fungal infections, the 
pooled sensitivity was 77 % ,and the pooled 
specificity was 85%
Diagnosis of invasive aspergillosis 
• Polymerase chain reaction: 
• A meta-analysis suggested that sensitivity and 
specificity of PCR to detect invasive 
aspergillosis was 88 and 75%
Diagnosis of invasive aspergillosis 
• Imaging 
• We have discussed before.
Treatment of invasive aspergillosis 
• Voriconazole rather than a formulation of 
Ampho B (Grade 1, B). 
• Echinocandins such as Caspo may also be 
effective therapy, but have not been 
adequately studied. 
• Surgical debridement is usually required for 
the treatment of Aspergillus rhinosinusitis,
Mucormycosis 
• Mucormycosis is manifested by a variety of 
syndromes in humans, particularly in 
immunocompromised patients and those 
with diabetes mellitus. Devastating rhino-orbital- 
cerebral and pulmonary infections are 
the major syndromes caused by these fungi
Mucormycosis 
• A review of 929 cases of mucormycosis that 
were reported between 1940 and 2003 noted 
that diabetes was the most common risk 
factor, found in 36 percent of cases, followed 
by hematologic malignancies (17%), and solid 
organ or hematopoietic cell transplantation 
(12 %).
Mucormycosis 
• PATHOGENESIS : 
• Rhizopus organisms have an enzyme, ketone 
reductase, which allows them to thrive in high 
glucose, acidic conditions.
Mucormycosis 
• Mucormycosis is characterized by infarction 
and necrosis of host tissues that results from 
invasion of the vasculature by hyphae. The 
most common clinical presentation of 
mucormycosis is rhino-orbital-cerebral 
infection, which is presumed to start with 
inhalation of spores into the paranasal sinuses 
of a susceptible host.
Mucormycosis 
• Pulmonary mucormycosis is a rapidly 
progressive infection that occurs after 
inhalation of spores into the bronchioles and 
alveoli. Pneumonia with infarction and 
necrosis results, and the infection can spread 
to contiguous structures such as the 
mediastinum and heart or disseminate 
hematogenously to other organs.
Mucormycosis 
• DIAGNOSIS: 
• Histopathology with culture confirmation. 
However, culture often yields no growth, and 
histopathologic identification of an organism 
with a structure typical of Mucorales may 
provide the only evidence of infection. 
• PCR-based technique used in this study 
appears promising.
Mucormycosis 
• TREATMENT: 
• Ampho B (lipid formulation) is the drug of 
choice. Oral Posaconazole is used as step-down 
therapy for patients who have 
responded to Amphotericin B and rarely as 
salvage therapy for patients who don't 
respond to or cannot tolerate Amphotericin B
THANK YOU
REFERENCES 
1- Vincent JL, Rello J, Marshall J, et al. International study of 
the prevalence and outcomes of infection in intensive care 
units. JAMA 2009; 302:2323. 
2- Puzniak L, Teutsch S, Powderly W, Polish L. Has the 
epidemiology of nosocomial candidemia changed? Infect 
Control Hosp Epidemiol 2004; 25:628. 
3- Jarvis WR. Epidemiology of nosocomial fungal infections, 
with emphasis on Candida species. Clin Infect Dis 1995; 
20:1526. 
4- Pappas PG, Kauffman CA, Andes D, et al. Clinical practice 
guidelines for the management of candidiasis: 2009 update 
by the Infectious Diseases Society of America. Clin Infect Dis 
2009; 48:503.
REFERENCES 
• 5- Pfaller MA , Messer SA , Boykenl , Tendolkars , Hollis RJ, Dlekema DJ, 
Geographic variation in the susceptibilities of invasive isolates of candida 
glabrate to seven systemicall active Antifungal agent : global assessment 
from the ARTemis Antifungal Surveillance program conducted in 2001 and 
2002 .J Clin Microbiol 2004; 42: 3142-62 
• 6- Imhof A Balajee SA,Fredricks DN, England JA, Marrka break – through 
fungal infections in stem cell Transplant recipients receiving 
voriconazole.CID 2004;39.743-6 
• 7- Horger M, Hebart H, Einsele H, et al. Initial CT manifestations of 
invasive pulmonary aspergillosis in 45 non-HIV immunocompromised 
patients: association with patient outcome? Eur J Radiol 2005; 55:437. 
• 8- D'Haese J, Theunissen K, Vermeulen E, et al. Detection of 
galactomannan in bronchoalveolar lavage fluid samples of patients at risk 
for invasive pulmonary aspergillosis: analytical and clinical validity. J Clin 
Microbiol 2012; 50:1258.
REFERENCES 
• 9- Karageorgopoulos DE, Vouloumanou EK, 
Ntziora F, et al. β-D-glucan assay for the 
diagnosis of invasive fungal infections: a meta-analysis. 
Clin Infect Dis 2011; 52:750. 
• 10- Mengoli C, Cruciani M, Barnes RA, et al. 
Use of PCR for diagnosis of invasive 
aspergillosis: systematic review and meta-analysis. 
Lancet Infect Dis 2009; 9:89.

More Related Content

What's hot

Fungal infections in critical care(cases)
Fungal infections in critical care(cases)Fungal infections in critical care(cases)
Fungal infections in critical care(cases)
fungalinfection
 

What's hot (20)

Antifungal Strategies in the Intensive Care Units
Antifungal Strategies in the Intensive Care UnitsAntifungal Strategies in the Intensive Care Units
Antifungal Strategies in the Intensive Care Units
 
Fungal infection in ICU
Fungal infection in ICUFungal infection in ICU
Fungal infection in ICU
 
Diagnostic stewardship in respiratory viral infections multipronged approa...
Diagnostic stewardship  in respiratory viral infections   multipronged approa...Diagnostic stewardship  in respiratory viral infections   multipronged approa...
Diagnostic stewardship in respiratory viral infections multipronged approa...
 
Biomarkers in sepsis
Biomarkers in sepsisBiomarkers in sepsis
Biomarkers in sepsis
 
Recent advances in fungal infections
Recent advances in fungal infections Recent advances in fungal infections
Recent advances in fungal infections
 
Selecting Antifungal Agents in ICU
Selecting Antifungal Agents in ICUSelecting Antifungal Agents in ICU
Selecting Antifungal Agents in ICU
 
pneumocystis pneumonia
pneumocystis pneumonia pneumocystis pneumonia
pneumocystis pneumonia
 
Aspergillosis
AspergillosisAspergillosis
Aspergillosis
 
atypical pneumonia.pptx
atypical pneumonia.pptxatypical pneumonia.pptx
atypical pneumonia.pptx
 
Carbapenamases. facts detection and concerns by Dr.T.V.Rao MD
Carbapenamases. facts detection and concerns by Dr.T.V.Rao MDCarbapenamases. facts detection and concerns by Dr.T.V.Rao MD
Carbapenamases. facts detection and concerns by Dr.T.V.Rao MD
 
Pharmacodynamics of antibiotics
Pharmacodynamics of antibioticsPharmacodynamics of antibiotics
Pharmacodynamics of antibiotics
 
Echinocandins in the ICU
Echinocandins in the ICUEchinocandins in the ICU
Echinocandins in the ICU
 
Dr.Vikas - Pulmonary manifestations of Aspergillosis
Dr.Vikas  -  Pulmonary manifestations of AspergillosisDr.Vikas  -  Pulmonary manifestations of Aspergillosis
Dr.Vikas - Pulmonary manifestations of Aspergillosis
 
Tb newer diagnostics
Tb newer diagnosticsTb newer diagnostics
Tb newer diagnostics
 
Powerpoint on aspergillosis
Powerpoint on aspergillosisPowerpoint on aspergillosis
Powerpoint on aspergillosis
 
Fungal infections in critical care(cases)
Fungal infections in critical care(cases)Fungal infections in critical care(cases)
Fungal infections in critical care(cases)
 
Optimal Antibiotic Strategies in ICU
Optimal Antibiotic Strategies in ICUOptimal Antibiotic Strategies in ICU
Optimal Antibiotic Strategies in ICU
 
Managing MDR/XDR Gram Negative infections in ICU
Managing MDR/XDR Gram Negative infections in ICUManaging MDR/XDR Gram Negative infections in ICU
Managing MDR/XDR Gram Negative infections in ICU
 
VAP/HAP management guidelines by IDSA/ATS (2016) -: Dr.Tinku Joseph
VAP/HAP management guidelines  by IDSA/ATS (2016) -: Dr.Tinku JosephVAP/HAP management guidelines  by IDSA/ATS (2016) -: Dr.Tinku Joseph
VAP/HAP management guidelines by IDSA/ATS (2016) -: Dr.Tinku Joseph
 
Mrsa
MrsaMrsa
Mrsa
 

Similar to Fungal diseases intensivist should know

Febrile neutropenia
Febrile neutropeniaFebrile neutropenia
Febrile neutropenia
Ahmed Allam
 
Meningitis with HIV AIDS
Meningitis with HIV AIDSMeningitis with HIV AIDS
Meningitis with HIV AIDS
saurav Poudel
 

Similar to Fungal diseases intensivist should know (20)

Salon a 15 kasim 10.45 12.00 volkan i̇nal
Salon a 15 kasim 10.45 12.00 volkan i̇nalSalon a 15 kasim 10.45 12.00 volkan i̇nal
Salon a 15 kasim 10.45 12.00 volkan i̇nal
 
Disseminated fungal infections 2015
Disseminated fungal infections  2015Disseminated fungal infections  2015
Disseminated fungal infections 2015
 
Disseminated fungal infections 2015
Disseminated fungal infections  2015Disseminated fungal infections  2015
Disseminated fungal infections 2015
 
Disseminated fungal infections 2015
Disseminated fungal infections  2015Disseminated fungal infections  2015
Disseminated fungal infections 2015
 
Fungal pneumonia 11
Fungal pneumonia 11Fungal pneumonia 11
Fungal pneumonia 11
 
Principles of Fungal Diagnosis and Treatment
Principles of Fungal Diagnosis and TreatmentPrinciples of Fungal Diagnosis and Treatment
Principles of Fungal Diagnosis and Treatment
 
Pneumonia - Community Acquired Pneumonia (CAP)
Pneumonia  - Community Acquired Pneumonia (CAP)Pneumonia  - Community Acquired Pneumonia (CAP)
Pneumonia - Community Acquired Pneumonia (CAP)
 
Mucormycosis & The Eye
Mucormycosis & The EyeMucormycosis & The Eye
Mucormycosis & The Eye
 
Central Nervous System Fungal Infection
 Central Nervous System Fungal Infection Central Nervous System Fungal Infection
Central Nervous System Fungal Infection
 
Micedge CME module .pptx
Micedge CME module .pptxMicedge CME module .pptx
Micedge CME module .pptx
 
Febrile neutropenia
Febrile neutropeniaFebrile neutropenia
Febrile neutropenia
 
Febrile neutropenia by DR saqib ahmad shah PG radiation oncology SKIMS KASHMIR
Febrile neutropenia by DR saqib ahmad shah PG radiation oncology SKIMS KASHMIRFebrile neutropenia by DR saqib ahmad shah PG radiation oncology SKIMS KASHMIR
Febrile neutropenia by DR saqib ahmad shah PG radiation oncology SKIMS KASHMIR
 
Fungal infection in Neonates
Fungal infection in NeonatesFungal infection in Neonates
Fungal infection in Neonates
 
Supportive care in haemato oncology
Supportive  care in  haemato oncologySupportive  care in  haemato oncology
Supportive care in haemato oncology
 
Meningitis with HIV AIDS
Meningitis with HIV AIDSMeningitis with HIV AIDS
Meningitis with HIV AIDS
 
Hiv and periodontium
Hiv and periodontiumHiv and periodontium
Hiv and periodontium
 
Mucormycosis and how it is related to Covid 19 disease - department seminar ...
Mucormycosis and how it is related to Covid 19 disease  - department seminar ...Mucormycosis and how it is related to Covid 19 disease  - department seminar ...
Mucormycosis and how it is related to Covid 19 disease - department seminar ...
 
hivandperidontium-140702102923-phpapp02.pptx
hivandperidontium-140702102923-phpapp02.pptxhivandperidontium-140702102923-phpapp02.pptx
hivandperidontium-140702102923-phpapp02.pptx
 
Case presentation, meningitis and treatment, Moh'd Sharshir
Case presentation, meningitis and treatment, Moh'd SharshirCase presentation, meningitis and treatment, Moh'd Sharshir
Case presentation, meningitis and treatment, Moh'd Sharshir
 
FUNGAL INFECTIONS.pptx
FUNGAL INFECTIONS.pptxFUNGAL INFECTIONS.pptx
FUNGAL INFECTIONS.pptx
 

More from Muhammad Asim Rana

The best use of systemic corticosteroids in the intensive care units, review
The best use of systemic corticosteroids in the intensive care units, reviewThe best use of systemic corticosteroids in the intensive care units, review
The best use of systemic corticosteroids in the intensive care units, review
Muhammad Asim Rana
 

More from Muhammad Asim Rana (20)

ICU management of ECMO pt
ICU management of ECMO ptICU management of ECMO pt
ICU management of ECMO pt
 
Basal ganglia stroke
Basal ganglia strokeBasal ganglia stroke
Basal ganglia stroke
 
Vertebral artery injury with dialysis catheter
Vertebral artery injury with dialysis catheterVertebral artery injury with dialysis catheter
Vertebral artery injury with dialysis catheter
 
Dysphagia lusoria
Dysphagia lusoriaDysphagia lusoria
Dysphagia lusoria
 
From eye drops to icu, a case report of three side effects of ophthalmic timo...
From eye drops to icu, a case report of three side effects of ophthalmic timo...From eye drops to icu, a case report of three side effects of ophthalmic timo...
From eye drops to icu, a case report of three side effects of ophthalmic timo...
 
Congenitally absent Inferior Vena Cava: A rare cause of recurrent DVT and non...
Congenitally absent Inferior Vena Cava: A rare cause of recurrent DVT and non...Congenitally absent Inferior Vena Cava: A rare cause of recurrent DVT and non...
Congenitally absent Inferior Vena Cava: A rare cause of recurrent DVT and non...
 
The best use of systemic corticosteroids in the intensive care units, review
The best use of systemic corticosteroids in the intensive care units, reviewThe best use of systemic corticosteroids in the intensive care units, review
The best use of systemic corticosteroids in the intensive care units, review
 
Clabsi bundle audit
Clabsi bundle auditClabsi bundle audit
Clabsi bundle audit
 
Time between decision to admit and icu arrival of patients from emergency dep...
Time between decision to admit and icu arrival of patients from emergency dep...Time between decision to admit and icu arrival of patients from emergency dep...
Time between decision to admit and icu arrival of patients from emergency dep...
 
Case discussion calcium abnormalities (final)
Case discussion calcium abnormalities (final)Case discussion calcium abnormalities (final)
Case discussion calcium abnormalities (final)
 
Hypokalemia in ICU
Hypokalemia in ICUHypokalemia in ICU
Hypokalemia in ICU
 
Plasmapheresis in ICU
Plasmapheresis in ICUPlasmapheresis in ICU
Plasmapheresis in ICU
 
Transorbital stab injury with retained knife. A narrow escape
Transorbital stab injury with retained knife. A narrow escapeTransorbital stab injury with retained knife. A narrow escape
Transorbital stab injury with retained knife. A narrow escape
 
Intrpleural colistin
Intrpleural colistinIntrpleural colistin
Intrpleural colistin
 
MERS CoV Prevention
MERS CoV PreventionMERS CoV Prevention
MERS CoV Prevention
 
Hepatorenal Syndrome
Hepatorenal SyndromeHepatorenal Syndrome
Hepatorenal Syndrome
 
Heat Stroke
Heat Stroke Heat Stroke
Heat Stroke
 
Iron toxicity
Iron toxicityIron toxicity
Iron toxicity
 
Vap bundle compliance in icu
Vap bundle compliance in icuVap bundle compliance in icu
Vap bundle compliance in icu
 
Approach to aki in icu
Approach to aki in icuApproach to aki in icu
Approach to aki in icu
 

Recently uploaded

❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...
❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...
❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...
Rashmi Entertainment
 
Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...
Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...
Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...
Cara Menggugurkan Kandungan 087776558899
 
👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...
👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...
👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...
rajnisinghkjn
 
Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...
Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...
Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...
chanderprakash5506
 

Recently uploaded (20)

ANATOMY AND PHYSIOLOGY OF REPRODUCTIVE SYSTEM.pptx
ANATOMY AND PHYSIOLOGY OF REPRODUCTIVE SYSTEM.pptxANATOMY AND PHYSIOLOGY OF REPRODUCTIVE SYSTEM.pptx
ANATOMY AND PHYSIOLOGY OF REPRODUCTIVE SYSTEM.pptx
 
Chennai ❣️ Call Girl 6378878445 Call Girls in Chennai Escort service book now
Chennai ❣️ Call Girl 6378878445 Call Girls in Chennai Escort service book nowChennai ❣️ Call Girl 6378878445 Call Girls in Chennai Escort service book now
Chennai ❣️ Call Girl 6378878445 Call Girls in Chennai Escort service book now
 
❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...
❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...
❤️ Chandigarh Call Girls☎️98151-579OO☎️ Call Girl service in Chandigarh ☎️ Ch...
 
Cardiac Output, Venous Return, and Their Regulation
Cardiac Output, Venous Return, and Their RegulationCardiac Output, Venous Return, and Their Regulation
Cardiac Output, Venous Return, and Their Regulation
 
Indore Call Girls ❤️🍑7718850664❤️🍑 Call Girl service in Indore ☎️ Indore Call...
Indore Call Girls ❤️🍑7718850664❤️🍑 Call Girl service in Indore ☎️ Indore Call...Indore Call Girls ❤️🍑7718850664❤️🍑 Call Girl service in Indore ☎️ Indore Call...
Indore Call Girls ❤️🍑7718850664❤️🍑 Call Girl service in Indore ☎️ Indore Call...
 
Race Course Road } Book Call Girls in Bangalore | Whatsapp No 6378878445 VIP ...
Race Course Road } Book Call Girls in Bangalore | Whatsapp No 6378878445 VIP ...Race Course Road } Book Call Girls in Bangalore | Whatsapp No 6378878445 VIP ...
Race Course Road } Book Call Girls in Bangalore | Whatsapp No 6378878445 VIP ...
 
Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...
Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...
Cara Menggugurkan Kandungan Dengan Cepat Selesai Dalam 24 Jam Secara Alami Bu...
 
Call Girls Kathua Just Call 8250077686 Top Class Call Girl Service Available
Call Girls Kathua Just Call 8250077686 Top Class Call Girl Service AvailableCall Girls Kathua Just Call 8250077686 Top Class Call Girl Service Available
Call Girls Kathua Just Call 8250077686 Top Class Call Girl Service Available
 
Call Girls Rishikesh Just Call 9667172968 Top Class Call Girl Service Available
Call Girls Rishikesh Just Call 9667172968 Top Class Call Girl Service AvailableCall Girls Rishikesh Just Call 9667172968 Top Class Call Girl Service Available
Call Girls Rishikesh Just Call 9667172968 Top Class Call Girl Service Available
 
(RIYA)🎄Airhostess Call Girl Jaipur Call Now 8445551418 Premium Collection Of ...
(RIYA)🎄Airhostess Call Girl Jaipur Call Now 8445551418 Premium Collection Of ...(RIYA)🎄Airhostess Call Girl Jaipur Call Now 8445551418 Premium Collection Of ...
(RIYA)🎄Airhostess Call Girl Jaipur Call Now 8445551418 Premium Collection Of ...
 
💰Call Girl In Bangalore☎️63788-78445💰 Call Girl service in Bangalore☎️Bangalo...
💰Call Girl In Bangalore☎️63788-78445💰 Call Girl service in Bangalore☎️Bangalo...💰Call Girl In Bangalore☎️63788-78445💰 Call Girl service in Bangalore☎️Bangalo...
💰Call Girl In Bangalore☎️63788-78445💰 Call Girl service in Bangalore☎️Bangalo...
 
Call Girls in Lucknow Just Call 👉👉8630512678 Top Class Call Girl Service Avai...
Call Girls in Lucknow Just Call 👉👉8630512678 Top Class Call Girl Service Avai...Call Girls in Lucknow Just Call 👉👉8630512678 Top Class Call Girl Service Avai...
Call Girls in Lucknow Just Call 👉👉8630512678 Top Class Call Girl Service Avai...
 
Bhopal❤CALL GIRL 9352988975 ❤CALL GIRLS IN Bhopal ESCORT SERVICE
Bhopal❤CALL GIRL 9352988975 ❤CALL GIRLS IN Bhopal ESCORT SERVICEBhopal❤CALL GIRL 9352988975 ❤CALL GIRLS IN Bhopal ESCORT SERVICE
Bhopal❤CALL GIRL 9352988975 ❤CALL GIRLS IN Bhopal ESCORT SERVICE
 
👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...
👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...
👉 Chennai Sexy Aunty’s WhatsApp Number 👉📞 7427069034 👉📞 Just📲 Call Ruhi Colle...
 
Call Girls Mussoorie Just Call 8854095900 Top Class Call Girl Service Available
Call Girls Mussoorie Just Call 8854095900 Top Class Call Girl Service AvailableCall Girls Mussoorie Just Call 8854095900 Top Class Call Girl Service Available
Call Girls Mussoorie Just Call 8854095900 Top Class Call Girl Service Available
 
Chennai Call Girls Service {7857862533 } ❤️VVIP ROCKY Call Girl in Chennai
Chennai Call Girls Service {7857862533 } ❤️VVIP ROCKY Call Girl in ChennaiChennai Call Girls Service {7857862533 } ❤️VVIP ROCKY Call Girl in Chennai
Chennai Call Girls Service {7857862533 } ❤️VVIP ROCKY Call Girl in Chennai
 
ANATOMY AND PHYSIOLOGY OF RESPIRATORY SYSTEM.pptx
ANATOMY AND PHYSIOLOGY OF RESPIRATORY SYSTEM.pptxANATOMY AND PHYSIOLOGY OF RESPIRATORY SYSTEM.pptx
ANATOMY AND PHYSIOLOGY OF RESPIRATORY SYSTEM.pptx
 
Call Girls Service Jaipur {9521753030 } ❤️VVIP BHAWNA Call Girl in Jaipur Raj...
Call Girls Service Jaipur {9521753030 } ❤️VVIP BHAWNA Call Girl in Jaipur Raj...Call Girls Service Jaipur {9521753030 } ❤️VVIP BHAWNA Call Girl in Jaipur Raj...
Call Girls Service Jaipur {9521753030 } ❤️VVIP BHAWNA Call Girl in Jaipur Raj...
 
Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...
Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...
Russian Call Girls In Pune 👉 Just CALL ME: 9352988975 ✅❤️💯low cost unlimited ...
 
💞 Safe And Secure Call Girls Coimbatore🧿 6378878445 🧿 High Class Coimbatore C...
💞 Safe And Secure Call Girls Coimbatore🧿 6378878445 🧿 High Class Coimbatore C...💞 Safe And Secure Call Girls Coimbatore🧿 6378878445 🧿 High Class Coimbatore C...
💞 Safe And Secure Call Girls Coimbatore🧿 6378878445 🧿 High Class Coimbatore C...
 

Fungal diseases intensivist should know

  • 1. Fungal diseases Intensivist should know Abid Alwan MD, JBIM, SF-CCM Intensive Care Services Prince Sultan Military Medical City Muhammad Asim Rana BSc, MBBS, MRCP, MRCPS, FCCP, EDIC, SF-CCM Department of Critical Care Medicine King Saud Medical City
  • 3. Fungal Diseases • Yeasts – Candida – Cryptococcus – Environmental Yeast: Histo/Cocci/Blasto • Molds – Aspergillus –Mucor – Fusarium
  • 4. Candida Species • Albicans Most common if patient not on azole prophylaxis • Glabrata Azole resistant strains selected out by azole prophylaxis • Paraspillosis Skin flora-most often seen in NICU • Krusei Inherently resistant to azole
  • 5. Candida Species • The clinical manifestations range from local mucous membrane infections to widespread dissemination with multisystem organ failure. • In the neutropenic host or the severely ill patients, widespread visceral dissemination occurs when Candida species gain access to the bloodstream…… Candidemia !!!
  • 6. Disseminated candidiasis • This is frequently associated with multiple deep organ infections or may involve single organ infection. • Unfortunately, blood cultures are negative in up to 40-60% of patients with disseminated candidiasis.
  • 7. Disseminated candidiasis • The history of a patient with presumptive disseminated candidiasis reveals a fever unresponsive to broad-spectrum antimicrobials and negative results from blood culture. • Physical examination reveals fever (may be the only symptom) with an unknown source and associated sepsis and septic shock.
  • 8. Terminology • Candidemia – Presence of Candida species in the blood. • Candida in a blood culture should never be viewed as a contaminant and should always prompt a search for the source of infection. • Invasive Candidiasis – hematogenous spread to multiple viscera – (e.g. eye, kidney, heart valves, brain)
  • 9. Clinical clues To hematogenous spread of Candida • Characteristic eye lesions – chorioretinitis with or without vitritis • Skin lesions – appear suddenly as clusters of painless pustules on an erythematous base • muscle abscesses
  • 10. EPIDEMIOLOGY • Fourth most common cause of nosocomial bloodstream infections, accounting for 9 percent of cases in a national survey of United States hospitals from 1995 to 2002 • Most often part of the host's endogenous flora
  • 11. EPIDEMIOLOGY • C. albicans is the most common cause of candidemia. • C. glabrata was responsible for 26 %. • C. parapsilosis 16 percent. • C. tropicalis 8 % • C. krusei 3 % Knowing the prevalence of the non- albicans Candida species is important because susceptibility to antifungal agents varies among the species
  • 12. Epidemiology of candidemia Tortorano Trick Diekema Richet Pfaller Marchetti (n=569) (n=2759) (n=254) (n=377) (n=1134) (n=1137) J Hosp Infect CID J Clin Microbiol CMI J Clin Microbiol CID 2002 2002 2002 2002 2002 2004 C.albicans 58,50% 59% 58% 53% 55% 66% C.glabrata 12,80% 12% 20% 11% 15% 15% C.parapsilosis 14,60% 11% 7% 16% 15% 1% C.tropicalis 6,10% 10% 11% 9% 9% 9% C.krusei 0,90% 1,20% 2% 4% 1% 2% Miscellaneous 7,10% 7% 2% 6% 1% 7%
  • 13. Invasive Candidiasis in the ICU • Common in the ICU (9.8/1000 admissions) with high morbidity (increased LOS ~22 days) & mortality (~ 30-40%) resulting in increased cost (~ $44,000/ episode). • Difficult to diagnose (cultures positive in only ~ 50%).
  • 14. Invasive Candidiasis in the ICU • We can define ICU risk factors for candidiasis and target the population at highest risk with empiric Rx. • Recent increase in Candida spp. resistant to Diflucan. • Advances in antifungal therapy have resulted in agents, like – echinocandins and triazoles, with high activity, a broad spectrum, and low toxicity ideal for empiric therapy and combination therapy options.
  • 15. Risk factors • Patients in the intensive care unit (ICU) and those who are immunocompromised are most at Risk • factors for nosocomial candidemia :  Hickman catheters (adjusted odds ratio OR 9.5).  gastric acid suppressants (adjusted OR 6.4).  ICU admission (adjusted OR 6.4).  nasogastric tube (adjusted OR 3.7). administration of antibiotics (adjusted OR 1.5 per antibiotic given).
  • 16. PATHOGENESIS Three major routes to the bloodstream: • Through the gastrointestinal tract mucosal barrier ( the most common mechanism) • Via an intravascular catheter • From a localized focus of infection, such as pyelonephritis
  • 17. Colonization • It’s an independent predictor of candidemia. • Although colonization alone does not predict which patients will develop fungemia, candidemia is very uncommon in a patient who is free of colonizing yeasts.
  • 21. Disseminated Candida Skin Lesion in Neuotropenic Patient
  • 22. Hepatic Lesions Of Candida in Contrast Enhanced CT
  • 23. Question A serum beta glucan test would be expected to be negative for which of the following • a) Candida albicans • b) Candida glabrata • c) Aspergillus niger • d) Mucor • e) Histoplasma capsulatum
  • 24. Diagnosis of Candidemia • Blood culture Routine cultures in 24-72 hours , 50% sensitivity. • Serology and Bronchoalveolar Lavage. Beta glucan: sensitive(70-85%) but not specific for all fungi EXCEPT MUCOR-not specific for Candida Galactomannan: ”Aspergillus Test” • positive for molds, not yeast and NOT Mucor • Physical exam • Imaging
  • 25. Significance of Candida • Blood : 50% sensitivity Always merits treatment Catheters should always be replaced. • Respiratory: “Never” merits treatment. • Urine: Usually insignificant. • Sterile fluids or tissue: Obviously needs therapy.
  • 26. Therapy of Invasive Candidiasis in the ICU • A definitive diagnosis of IC may be delayed when the clinical and laboratory tools readily available to clinicians are used to assess patients for Candida infection. • A delay in diagnosis will unfortunately result in a delay in initiation of antifungal therapy, which is associated with increased mortality*. • Therefore, in the patient with suspected Candida infection, treatment may need to be initiated on the basis of individual patient factors before a definitive diagnosis is made. *Morrel M et al. 2005. Antimicrob Agents Chemother. 49(9): 3640-5. *Garey K et al. 2006. Clin Infect Dis. 43: 25-31.
  • 27. Can we wait for the blood culture results in candidemia? • Retrospective cohort analysis 1/2001-12/2004: N=157 patients with candidemia. • Delay in empiric Rx of candidemia till after blood cultures turn positive resulted in higher mortality. • Start of anti-fungal Rx >12 hrs of drawing a blood culture that turns positive had AOR= 2.09 for mortality, p=0.018. Morrel M et al. 2005. Antimicrob Agents Chemother. 49(9):3640-5
  • 28. Candida prophylaxis in the Surgical ICU (patients with high risk for candidemia) • Eggiman et al. 1999. CCM 27: 1066-1072. – Fluconazole reduced Candida peritonitis and colonization in 43 patients with complicated GI surgeries. High risk patients. • Pelz et al. 2001. Ann Surg. 233: 542-548. – Fluconazole reduced candida infection in critically ill surgical patients in SICU > 3 days. No mortality benefit. – Predictors included: APACHE II score, fungal colonization, TPN, days to first dose of prophylactic drug. • Paphitou et al. 2005. Med Mycol. 43(3):235-43. – 327 patients in SICU > 3 days were reviewed to identify predictive factors. – Combination of DM, HD, TPN, broad-spectrum antibiotics had an invasive candidiasis rate of 16.6% versus a 5.1% rate for patients lacking these characteristics (P = 0.001).
  • 29. Candida Prophylaxis in MICU & SICU (MV > 48h & expected LOS > 72h) Incidence of IC=5.8% Incidence of IC=16% Garbino et al. Intensive Care Med. 2002;28:1708-17
  • 30. Summary (Candida Prophylaxis) • Prophylaxis is effective in the highest risk patients. • Prophylaxis reduces the incidence of IC. • A positive impact on mortality has not been shown except in severely immunocompromised hosts (neutropenia, BMT, or solid organ transplantation). • Distinction between prophylactic & preemptive therapy needed specially in ICU. Risk ? Dose?.
  • 31. Azoles • Floconazole • approved (FDA) in 1990. • The azoles work primarily by inhibiting the cytochrome P450-dependent enzyme lanosterol 14-alpha-demethylase. • Some laboratories only screen C. glabrata isolates for susceptibility to fluconazole because this species has varying susceptibility.
  • 32. Azoles • Voriconazole superior to Floconazole • However, cross-resistance between fluconazole and voriconazole is seen frequently, especially with C. glabrata. • Voriconazole has significantly greater in vitro activity against C. krusei isolates compared with fluconazole,
  • 33. Azoles • Posaconazole only as an oral. • It is approved for use as a prophylactic agent for fungal infections – in allogeneic hematopoietic cell transplant recipients with graft-versus-host disease – in patients with prolonged neutropenia due to chemotherapy for hematologic malignancies. – for oropharyngeal candidiasis – not for systemic candidiasis.
  • 34. Azoles • Itraconazol: • is sometimes used for mucosal candidiasis, but is not used for systemic infections
  • 35. Azoles Pfaller: • 610 isolates of C. glabrata : Sensitivity (MIC ≤ 1 μg/ml) – Posaconazole : 85. 4% – Ravuconazole : 90. 7% – Voriconazole : 92.8% • 46 fluconazole – resistant isolates of C. glabrata – Posaconazole : 4% – Ravuconazole : 8.7% – Voriconazole : 13% • Voriconazole Rx : potential for the emergence of voricanazole-resistant Candida glabrata
  • 36. Echinocandins • Caspofongin, Anidulafungin, and Micafungin • It’s noncompetitive inhibitors of the synthesis of 1,3-beta-D-glucan, which is an integral component of the fungal cell. • Excellent activity against most Candida species. • Favorable toxicity profiles.
  • 37. Echinocandins • Approved for the treatment of candidemia and other forms of invasive candidiasis. • Preferred over azoles for the initial treatment of candidemia if C. glabrata or C. krusei is identified or suspected. • Adverse effects are generally mild and include – fever – thrombophlebitis – Headache – elevated aminotransferases.
  • 38. Amphotericin B • A polyene antifungal agent that disrupts fungal cell wall synthesis because of its ability to bind to sterols, primarily ergosterol, which leads to the formation of pores that allow leakage of cellular components. • Amphotericin B deoxycholate, which was the standard drug for decades, demonstrates rapidly cidal in vitro activity against most species of Candida.
  • 39. Amphotericin B • It is also associated with significant nephrotoxicity. • This has led to the development of various lipid-based derivatives, including • Liposomal Amphotericin B • Amphotericin B lipid complex (ABLC). • Amphotericin B colloidal dispersion (ABCD) is used infrequently, in part because it causes more infusion-related reactions than Amphotericin B deoxycholate. • These lipid-based compounds have much less toxicity than Amphotericin deoxycholate but are significantly more expensive.
  • 40.
  • 41. Factors to be considered • History of recent azole exposure • Prevalence of different Candida species and current antifungal susceptibility data in the clinical unit and medical center • Severity of illness • Relevant comorbidities that increase the risk of Floconazole -resistant Candida species (e.g., neutropenia ) • Evidence of involvement of the central nervous system, cardiac valves, eyes, and/or visceral organs • History of intolerance of to an antifungal agent
  • 42. RECOMMENDATIOS for treatment of candidemia • Non-neutropenic patients : If clinically stable, who have not been exposed to recent azole therapy, and who are in clinical units or medical centers in which C. glabrata or C. krusei are uncommonly isolated (<15 percent of all species causing candidemia), the initial therapy with Fluconazole rather than an Echinocandins.
  • 43. RECOMMENDATIONS for treatment of candidemia • In non- neutropenic patients with moderately severe or severe infections and/or who are at increased risk of C. glabrata or C. krusei infection, we favor an Echinocandins and we not use Floconazole as initial therapy, prior to the identification of the causative species. • However, in patients who have documented C. glabrata infection, who are already improving clinically on fluconazole or Voriconazole, and whose follow-up blood cultures are negative, continuing with the azole is reasonable.
  • 44. Aspergillosis • The term "aspergillosis" refers to illness due to allergy, airway or lung invasion, cutaneous infection, or extrapulmonary dissemination caused by species of Aspergillus, most commonly A. fumigatus, A. flavus, and A. terreus
  • 45. RISK FACTORS Underlying conditions that compromise pulmonary and systemic immune responses to inhaled Aspergillus. Classic risk factors include: • Severe and prolonged neutropenia • Receipt of high doses of glucocorticoids • Chronic impaired cellular immune responses – Immunosuppressives administered to treat autoimmune diseases and to prevent organ rejection, and AIDS
  • 46. CLINICAL FEATURES Invasive aspergillosis most frequently occurs in the lungs or sinuses after inhalation of conidia, although, less commonly, disease can spread from the gastrointestinal tract, or result from direct inoculation into the skin.
  • 47. CLINICAL FEATURES PULMONARY • Fever, chest pain, shortness of breath, cough, and/or hemoptysis. • The classic triad that has been described in neutropenic patients with pulmonary aspergillosis is – fever – pleuritic chest pain – hemoptysis
  • 48. CLINICAL FEATURES PULMONARY • Chest x-ray is insensitive for detecting the earliest stages • CT scans abnormality is variable, depending upon the host and the type of disease: – bronchopneumonia – angioinvasive aspergillosis, – Tracheobronchitis – chronic necrotizing aspergillosis. - small nodules (<1 cm) were most common (43 %). - consolidation (26 %). - large nodules (masses, 21 %). - peribronchial infiltrates (9 %).
  • 49. CLINICAL FEATURES PULMONARY In neutropenic patients, in whom the initial findings typically include nodules that have surrounding ground glass infiltrates (halo sign), reflecting hemorrhage into the area surrounding the fungus. These nodules typically enlarge, even during appropriate therapy, and may eventually cavitate, producing the air-crescent sign
  • 50. CLINICAL FEATURES Tracheobronchitis • Most often described in lung transplant recipients and patients with AIDS. • Affected patients typically present with prominent dyspnea, cough, and wheezing; they occasionally expectorate intraluminal mucus plugs. • Chest imaging may be normal or reveal areas of airway thickening, patchy infiltrates, consolidation, or centrilobular nodules.
  • 51. CLINICAL FEATURES Disseminated infection • Disseminated infection — In the presence of angioinvasive disease, Aspergillus spp can disseminate beyond the respiratory tract to multiple different organs, including the skin, brain, eyes, liver, and kidneys. • Disseminated infection is associated with a very poor prognosis.
  • 52. CLINICAL FEATURES Rhinosinusitis • In the paranasal sinuses, aspergillosis can present in an identical fashion to mucormycosis. However, rhinocerebral aspergillosis is usually seen in neutropenic patients, whereas mucormycosis more often occurs in those with diabetes mellitus. • nasal congestion, fever, and pain in the face and around the eye are common presenting features. • If the orbit becomes involved, additional symptoms may include blurred vision, proptosis, and chemosis. The infection can also extend locally into the vasculature and the brain, leading to cavernous sinus thrombosis and a variety of central nervous system (CNS) manifestations.
  • 53. CLINICAL FEATURES Rhinosinusitis • Imaging findings may be subtle and can include focal soft tissue lesions, subtle focal bony erosions, focal enhancement of the sinus lining on magnetic resonance imaging or focal hypodense areas on computed tomography scan . • Biopsy is necessary to establish the diagnosis; multiple biopsies are sometimes necessary
  • 54. CLINICAL FEATURES Chronic necrotizing chronic cavitatry pulmonary aspergillosis • Patients who have underlying chronic lung disease are at risk for indolent forms of pulmonary aspergillosis, characterized by cavities or infiltrates. • Presumably, the slowly progressive nature of this infection is a function of the host immune response, which is enough to hold the organism in check, but not to eliminate it.
  • 55. CLINICAL FEATURES Chronic necrotizing and chronic cavitarty pulmonary aspergillosis • Cough, weight loss, fatigue, and chest pain are common, and the chest x-ray shows a slowly progressive lesion, which can be better defined by CT scanning. However, interpretation of radiologic studies may be complicated by the presence of concomitant lung disease, since this is the setting in which chronic invasive aspergillosis usually occurs.
  • 56. CLINICAL FEATURES Central nervous system • (CNS) aspergillosis may occur in the setting of disseminated infection, as well as from local extension from the paranasal sinuses. Patients with CNS involvement with Aspergillus spp may present with seizures or focal neurological signs. • * very poor prognosis.
  • 57. CLINICAL FEATURES Central nervous system • In a study of the computed tomography and/or magnetic resonance imaging findings associated with CNS aspergillosis, three patterns were observed : • A- Ring-enhancing lesions consistent with brain abscesses . • B- Cerebral cortical and subcortical infarction, with or without superimposed hematomas . • C- Mucosal thickening of a paranasal sinus with secondary intracranial dural enhancement consistent with direct extension from the sinuses .
  • 58.
  • 59.
  • 60.
  • 61. CLINICAL FEATURES Endophthalmitis • Involvement of the deep structures of the eye results not only from hematogenous spread. In other patients, corneal infection or direct inoculation following trauma is the genesis of infection . Patients present with eye pain and visual changes . • Progressive infection is characterized by destruction of multiple components of the eye. The outcome is usually poor with loss of useful vision in the affected eye, and a requirement for enucleation in some cases.
  • 62. CLINICAL FEATURES Endocarditis • Aspergillus spp are second only to Candida spp as a cause of fungal endocarditis . • This infection occurs primarily in patients with prosthetic heart valves. In many patients, infection occurs at the time of surgery, with the fungus contaminating the surgical site. Patients may present at any time postoperatively. • Other patients at risk for the development of Aspergillus endocarditis include patients with indwelling central venous catheters and intravenous drug users.
  • 63. CLINICAL FEATURES Endocarditis • Patients typically present with fever and embolic phenomena. Blood cultures are rarely positive, even when a fungal isolator system is used. Microscopic examination of an embolus will reveal the typical hyphae suggestive of aspergillosis, but definitive microbiologic diagnosis depends upon culture of the organism. • The prognosis of Aspergillus endocarditis is poor. Even with combined medical and surgical therapy, the mortality rate has approached 100 percent
  • 64. CLINICAL FEATURES Cutaneous Aspergillosis • A healthy hosts can develop cutaneous disease in surgical wounds. While burn victims, neonates, and solid organ transplant recipients tend to develop primary cutaneous disease in the presence of prolonged local skin injury, patients with hematologic malignancies and hematopoietic cell transplant recipients more frequently develop disease due to contiguous or blood-borne invasion. • Diagnosis can only be verified by skin biopsy, which should be taken from the center of the lesion and reach the subcutaneous fat.
  • 65. CLINICAL FEATURES Gastrointestinal aspergillosis • Aspergillosis can involve the (GI) tract, causing focal invasion as a primary site of inoculation and presenting as typhlitis, colonic ulcers, abdominal pain, and/or GI bleeding . Direct inoculation from the GI tract is likely, with risk factors including neutropenia, receipt of glucocorticoids, and mucosal breakdown (mucositis).
  • 66. Diagnosis of invasive aspergillosis • It is based upon both isolating the organism (or markers of the organism) and the probability that it is the cause of disease. • Culture in combination with evidence of tissue invasion on histopathology, or culture from a normally sterile site, provides the most certain evidence of invasive aspergillosis
  • 67. Diagnosis of invasive aspergillosis • Direct examination of respiratory specimens: • Gomori methenamine silver can be used to stain cytology preparations. Organisms can be observed as narrow (3 to 6 microns wide), septated hyaline hyphae with acute angle (45°) branching . • However, several filamentous fungi, including Scedosporium spp and Fusarium spp, have similar appearances to Aspergillus spp on direct microscopy.
  • 68. Diagnosis of invasive aspergillosis • CULTURE: • Often visible in culture within one to three days of incubation. • In multicenter surveillance studies only 25 to 50 percent of hematopoietic cell transplant recipients who met criteria for invasive aspergillosis based upon galactomannan antigen results had positive cultures
  • 69. Diagnosis of invasive aspergillosis • Galactomannan antigen detection: • galactomannan antigen can be detected in the serum before the presence of clinical signs or symptoms • False positive serum results have been demonstrated in patients who are receiving certain beta-lactam antibiotics, especially PIP/TAZO. • False positive results may be seen with infections caused by organisms that share cross-reacting antigens, (eg, Fusarium species , Histoplasma capsulatum ).
  • 70. Diagnosis of invasive aspergillosis • Galactomannan antigen detection • A meta-analysis that included 27 studies with a total of 4000 patients (mainly with hematologic malignancies), reported that overall sensitivity and specificity of the galactomannan antigen assay for proven invasive aspergillosis were 71 percent (95% CI 68-74 percent) and 89 percent (95% CI 88-90 percent), respectively
  • 71. Diagnosis of invasive aspergillosis • Bronchoalveolar lavage fluid: • A retrospective study was performed in which 251 patients who were at risk for invasive aspergillosis and who presented with unexplained nodular lesions or consolidation on lung imaging underwent galactomannan antigen testing of BAL fluid [8]. • the sensitivity of galactomannan antigen testing of BAL fluid for diagnosing proven or probable invasive aspergillosis was 86 percent and the specificity was 91 percent.
  • 72. Diagnosis of invasive aspergillosis • Beta-D- glucan assay: • In a 2011 meta-analysis that included 16 studies evaluating beta-D- glucan assays for the diagnosis of invasive fungal infections, the pooled sensitivity was 77 % ,and the pooled specificity was 85%
  • 73. Diagnosis of invasive aspergillosis • Polymerase chain reaction: • A meta-analysis suggested that sensitivity and specificity of PCR to detect invasive aspergillosis was 88 and 75%
  • 74. Diagnosis of invasive aspergillosis • Imaging • We have discussed before.
  • 75. Treatment of invasive aspergillosis • Voriconazole rather than a formulation of Ampho B (Grade 1, B). • Echinocandins such as Caspo may also be effective therapy, but have not been adequately studied. • Surgical debridement is usually required for the treatment of Aspergillus rhinosinusitis,
  • 76. Mucormycosis • Mucormycosis is manifested by a variety of syndromes in humans, particularly in immunocompromised patients and those with diabetes mellitus. Devastating rhino-orbital- cerebral and pulmonary infections are the major syndromes caused by these fungi
  • 77. Mucormycosis • A review of 929 cases of mucormycosis that were reported between 1940 and 2003 noted that diabetes was the most common risk factor, found in 36 percent of cases, followed by hematologic malignancies (17%), and solid organ or hematopoietic cell transplantation (12 %).
  • 78. Mucormycosis • PATHOGENESIS : • Rhizopus organisms have an enzyme, ketone reductase, which allows them to thrive in high glucose, acidic conditions.
  • 79. Mucormycosis • Mucormycosis is characterized by infarction and necrosis of host tissues that results from invasion of the vasculature by hyphae. The most common clinical presentation of mucormycosis is rhino-orbital-cerebral infection, which is presumed to start with inhalation of spores into the paranasal sinuses of a susceptible host.
  • 80. Mucormycosis • Pulmonary mucormycosis is a rapidly progressive infection that occurs after inhalation of spores into the bronchioles and alveoli. Pneumonia with infarction and necrosis results, and the infection can spread to contiguous structures such as the mediastinum and heart or disseminate hematogenously to other organs.
  • 81. Mucormycosis • DIAGNOSIS: • Histopathology with culture confirmation. However, culture often yields no growth, and histopathologic identification of an organism with a structure typical of Mucorales may provide the only evidence of infection. • PCR-based technique used in this study appears promising.
  • 82. Mucormycosis • TREATMENT: • Ampho B (lipid formulation) is the drug of choice. Oral Posaconazole is used as step-down therapy for patients who have responded to Amphotericin B and rarely as salvage therapy for patients who don't respond to or cannot tolerate Amphotericin B
  • 84. REFERENCES 1- Vincent JL, Rello J, Marshall J, et al. International study of the prevalence and outcomes of infection in intensive care units. JAMA 2009; 302:2323. 2- Puzniak L, Teutsch S, Powderly W, Polish L. Has the epidemiology of nosocomial candidemia changed? Infect Control Hosp Epidemiol 2004; 25:628. 3- Jarvis WR. Epidemiology of nosocomial fungal infections, with emphasis on Candida species. Clin Infect Dis 1995; 20:1526. 4- Pappas PG, Kauffman CA, Andes D, et al. Clinical practice guidelines for the management of candidiasis: 2009 update by the Infectious Diseases Society of America. Clin Infect Dis 2009; 48:503.
  • 85. REFERENCES • 5- Pfaller MA , Messer SA , Boykenl , Tendolkars , Hollis RJ, Dlekema DJ, Geographic variation in the susceptibilities of invasive isolates of candida glabrate to seven systemicall active Antifungal agent : global assessment from the ARTemis Antifungal Surveillance program conducted in 2001 and 2002 .J Clin Microbiol 2004; 42: 3142-62 • 6- Imhof A Balajee SA,Fredricks DN, England JA, Marrka break – through fungal infections in stem cell Transplant recipients receiving voriconazole.CID 2004;39.743-6 • 7- Horger M, Hebart H, Einsele H, et al. Initial CT manifestations of invasive pulmonary aspergillosis in 45 non-HIV immunocompromised patients: association with patient outcome? Eur J Radiol 2005; 55:437. • 8- D'Haese J, Theunissen K, Vermeulen E, et al. Detection of galactomannan in bronchoalveolar lavage fluid samples of patients at risk for invasive pulmonary aspergillosis: analytical and clinical validity. J Clin Microbiol 2012; 50:1258.
  • 86. REFERENCES • 9- Karageorgopoulos DE, Vouloumanou EK, Ntziora F, et al. β-D-glucan assay for the diagnosis of invasive fungal infections: a meta-analysis. Clin Infect Dis 2011; 52:750. • 10- Mengoli C, Cruciani M, Barnes RA, et al. Use of PCR for diagnosis of invasive aspergillosis: systematic review and meta-analysis. Lancet Infect Dis 2009; 9:89.