This document discusses guidelines for the diagnosis and treatment of extrapulmonary tuberculosis (EPTB) in India. It notes that EPTB accounts for 15-20% of total TB cases in India. Key points include:
- Xpert MTB/RIF testing can be used as an adjunct for lymph node and TB meningitis diagnosis but has limitations.
- Steroids are recommended for TB meningitis and pericarditis but not routinely for pleural TB.
- Treatment durations vary by site but are typically 6-9 months for most EPTB forms using standard first-line ATT regimens. Strict follow-up is important to monitor treatment response and outcomes.
New technology called Electromagnetic Navigation Bronchoscopy® (ENB) that uses virtual bronchoscopy and real time 3-dimensional CT images that enable me to localize these peripheral lung nodules for diagnosis and treatment. This outpatient procedure is minimally invasive and therefore has a small risk of pneumothorax (2-3%) and its published diagnostic yield rates range from 67% - 86%
Tuberculosis is a raging problem round the globe. Eradicating TB is a herculean task but is possible is efforts from all corners from the world. The diagnostics have taken a big leap and with effective medications, our dream of TB free world may come true. But unlimited efforts are need to reach our goal.
New technology called Electromagnetic Navigation Bronchoscopy® (ENB) that uses virtual bronchoscopy and real time 3-dimensional CT images that enable me to localize these peripheral lung nodules for diagnosis and treatment. This outpatient procedure is minimally invasive and therefore has a small risk of pneumothorax (2-3%) and its published diagnostic yield rates range from 67% - 86%
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Catridge based nucleic acid amplification test(CBNAAT) / RIF assay gene xpert POWER PONT. other normal tests versus CBNAAT. issues for cbnaat by WHO & CONCLUSION.
Hello Guys,
This presentation consists of the updated guidelines under National tuberculosis elimination programme of India (MOHFW). The presentation includes case definitions and diagnostic algorithms for Pulmonary, Extrapulmonary and Drug resistant TB(MDR/ XDR TB) and the tratment protocols in pediatric cases.
Hope you find it useful.
This presentation is about lab diagnosis of tuberculosis. It highlights use of currently available diagnostic methods in identifying pulmonary and extrapulmonary tuberculosis.
Romilast is the only medicine of its kind for COPD and works differently from steroids. It belongs to a group of medications called PDE4 (phosphodiesterase-4) inhibitors. Romilast is a prescription medicine used in adults with severe COPD to decrease the number of flare-ups or the worsening of COPD symptoms (exacerbations). Romilast is not a bronchodilator and should not be used for treating sudden breathing problems. If you have severe COPD, flare-ups are not completely avoidable, but you may be able to decrease how often you have them. With Romilast, you may be able to help protect yourself from the risk of future flare-ups.
Catridge based nucleic acid amplification test(CBNAAT) / RIF assay gene xpert POWER PONT. other normal tests versus CBNAAT. issues for cbnaat by WHO & CONCLUSION.
Hello Guys,
This presentation consists of the updated guidelines under National tuberculosis elimination programme of India (MOHFW). The presentation includes case definitions and diagnostic algorithms for Pulmonary, Extrapulmonary and Drug resistant TB(MDR/ XDR TB) and the tratment protocols in pediatric cases.
Hope you find it useful.
This presentation is about lab diagnosis of tuberculosis. It highlights use of currently available diagnostic methods in identifying pulmonary and extrapulmonary tuberculosis.
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what is new in prevention, diagnosis and treatment of tuberculosis tb short.pptxPathKind Labs
Many changes have been made recently in Tuberculosis. The first important change is that instead of control now the focus is on eradication. for that to happen we need to change the way we detect, diagnose and treat tuberculosis.
National Tb pragramme, Has been in operation since 1962
Inadequacies that led to RNTCP :
Treatment success rates were unacceptably low.
There is no unique diagnostic method.
No Treatment Protocol.
Only 30% is diagnosed, so death and default rates remained high.
In 1993 to overcome the drawbacks mentioned, the NTP was revitalized and RNTCP was formulated.
Implemented in a phased manner, by 2000 it covered the whole country.
Objectives:
Achievement of at least 85 percent cure rates of infectious cases of TB.
Augmentation of case finding activities through quality sputum microscopy to detect atleast 70 percent of estimated cases.
1. Intensified active case finding
2. Diagnostic Criteria Changes :
Changes in few definitions like Defaulters → Loss to follow up , Relapse Tb → Recurrent TB.
In Adults – CBNAAT/ True NAAT is done in all cases of TB ( earlier CBNAAT was performed only for high risk cases )
In Paediatric age group – Chest X-ray and TST to be done first.
3. Treatment Criteria Changes :
Regimens with injectable agents are no longer recommended. Currently, for any case of TB only All Oral regimens are initiated
For Drug Sensitive TB 2months of HRZE and 4 months of HRE
For INH resistant TB – RZE + Levofloxacin for 6 months
In All oral MDR Rx regimen : only continuous phase for 18 months
✓ BEDAQUILINE or DELAMANID × 6 months
✓ LEVOFLOXACIN , LINEZOLID , CLOFAZAMINE , CYCLOSERINE × 18 months
Isoniazid Preventive therapy is given for all contact.
Decentralized Tuberculosis unit and DMC (Designated microscopy
centre) and Peripheral Health Institute at the door steps of the patients.
SMEAR MICROSCOPY FOR ACID FAST BACILLI
RAPID DIAGNOSTIC MOLECULAR TESTING
RADIOGRAPHY where available
TUBERCULIN SKIN TEST
CULTURE
S.No CBNAAT TruNAAT
1 PCR based PCR based
2 Cartridge based Chip based
3 AC environment needed No need
4 Cartridge to be stored in cold atmosphere No need
5 Continuous power supply needed Battery operated
6 Less manual work Semi automatic (Technician oriented )
7 Detects MTB as well as Rif resistance simultaneously Need separate chips for MTB and Rif resistance detection
8 Cross contamination unlikely Cross contamination possible
9 TAT : 112 min TAT : 60 min for MTB
60 min for Rif resistance
10 Intermediate level labaratories Point of care level
MTB not Detected
MTB detected, High/medium/low/very low, rifampicin resistance detected
MTB detected, High/medium/low/very low , rifampicin resistance not detected
MTB detected, High/medium/low/very low , rifampicin resistance indeterminate, Repeat the test in new sample.
Invalid result (Retest in fresh specimen)
Error (Repeat the test in same sample)
Clinical evaluation Laboratory based evaluation
History and physical examination Random blood sugar (RBS)
Height HIV testing following counselling
Weight Complete blood count (Hb, TLC, DLC, platelet count)
Psychiatric evaluation if required Liver function tests(including serum proteins)
TSH levels
Urine examination –
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INDEX TB GUIDELINE - EXTRA PULMONARY TB
1. Index TB guideline- EPTB
Dr.Akhilesh. K
Asst Professor
Pulmonary Medicine
AIMS,KOCHI
2. India accounts for 20% of all TB incidence cases in the world
Non-HBCs
20%
Pakistan
3%
Ethiopia
3%
Philippines
3%
South Africa
5%
Bangladesh
4%
Nigeria
5%
Indonesia
6%
China
14%
India
20%
Other 13 HBCs
16%
Source: WHO Global Report 2009
3. Evolution of TB Control in India
• 1950s-60s Important TB research at TRC and
NTI
• 1962 National TB Program (NTP)
• 1992 Program Review
•only 30% of patients diagnosed;
•of these, only 30% treated
successfully
• 1993 RNTCP pilot began
• 1998 RNTCP scale-up
• 2001 450 million population covered
• 2004 >80% of country covered
• 2006 Entire country covered by RNTCP
4. Impact - RNTCP
oNearly 22 million deaths have been saved since 1995.
o 45% decrease in death due to TB since 1990
o Global target of 85% cure rate and 70% of case detection
rate consistently achieved 2003 onward
o Case fatality reduced from 29% to 4% in NSP cases
5. Current views leading to change in
regime to daily regime
•High rates of “relapse” in RNTCP ~ 12 - 15%
•Increasing INH Resistance remain high( 20-40%)
SMCSI MC 22 - 03 - 2016 5
6.
7. Magnitude of The problem
• 15%-20% of all TB cases in India in HIV negative
Immunocompetent
• >50%( 45-56%) – HIV Positive
• Usually Paucibacillary
• 75% have lymph node or pleural TB
• Occur in all age groups but incidence is higher in children /
young
11. Principles
• Patient Centred approach
• Promote early diagnosis
• Access to tissue based diagnosis
• Addressing Drug resistance
• Avoiding unnecessary , invasive and costly tests.
• Access to HIV Testing
• Identify patients with concurrent active Pulmonary TB
• Ensuring effective treatment with appropriate regimen
• Promoting adherence
• Record keeping and public health promotion
12. Major questions raised by providers
• Use of tuberculin skin testing
• Role of the Xpert MTB/RIF test in diagnosing EPTB
•
• Role of other polymerase chain reaction (PCR)-based tests in diagnosing EPTB
• Empirical treatment
• Corticosteroids in EPTB
• Duration of anti-tuberculosis treatment (ATT) in EPTB
• Definition of treatment failure in terms of clinical parameters prompting
extended treatment, revised diagnosis, or consideration of drug resistance.
16. LYMPHNODE TB
Additional test to conventional smear microscopy, culture and
cytology in FNAC specimens.(Strong)
Quick diagnosis,Reduced stigma from overdiagnosis,R Resistnace
TB MENINGITITIS
Adjunctive test for tuberculous meningitis (TBM).
A negative Xpert result does not rule out TBM.
Decision to give ATT should be based on clinical features and CSF
profile.( Conditional)
PLEURAL TB
Should not be routinely used to diagnose pleural TB (Strong)
18. TB MENINGITIS ( HIV Negative)
TBM in HIV-negative -RECOMMENDED
Duration of steroid treatment should be for at least 4 weeks, with
tapering as appropriate.(Strong)
TBM(HIV Positive)- May be used where other life-threatening
opportunistic infections are absent.
( Conditional)
19. • TB Pericarditis(HIV Negative)- Recommended for HIV-negative
patients with TB pericarditis with pericardial effusion.(Conditional)
• TB Pericarditis(HIV Positive)- Recommended for HIV-positive patients
with TB pericarditis with pericardial effusion.(Conditional)
• Pleural TB(Irrespective of HIV Status)
- Not routinely recommended in pleural TB.( Conditional)
22. •Peripheral LN TB - 6 months ATT standard first-line regimen
(2RHZE/4RHE) is recommended for peripheral lymph node
TB.(Strong)
•Abdominal TB- 6 months ATT standard first-line regimen is
recommended for abdominal TB( Strong)
•TB Meningitis- TB meningitis should be treated with
standard first-line ATT for at least 9 months.(Conditional)
26. Diagnostic
Method
Selected patients Comments
Lumbar
puncture
All Lymphocytic
Pleocytosis with Low
Serum/CSF Glucose ratio
HIV testing All Integrated Counselling For
Seropositive
Chest Xray All Active /past TB
CT Brain All R/O hydrocephalus
MRI Brain Selected cases Diagnostic uncertainty
28. •Minimum 6 ml needed for adults ;3 ml for children
CSF Gram stain ,AFB Smear,TC
CSF / Serum Glucose Ratio
Mycobacterial culture ,Species identification& DST
Rule out other causes- Viral/ Cryptococcal/
Bacterial/Fungal
Genexpert-Adjunctive test. Negative Doesnot rule out
TBM .1 ml optimal for Xpert( High False Neg)
Sensitivity-80.5% Specifcity -97.8%)
IGRA Not recommended
ADA is not useful
Diagnostic accuracy of Other PCR test highly variable
29. 2 HRZE+7 HRE
Referral – As early as
possible
Follow up till 2 years
at regular interval
DR suspect-
Poor response to
ATT/or MDR
contact
Steroids indicated
Dexa ( 0.4 mg/kg/24 hr in
divided doses) and taper
30. Alternate Regimen( Tech.Advisory Sub comitee)
Streptomycin in IP Phase instead of Ethambutol in visual
impairment or cannot be assessed
Pyrazinamide instead of Ethambutol in CP Phase
Total Duration can be extended upto 12 months
Stopping Treatment- Clinical resolution
Residual neurological deficit should not be used as a sign of activity
Surgery-V/P Shunt
32. Presumptive Tuberculoma
•Any patient presenting with seizures, headache,
fever or focal neurological deficits with
neuroimaging features consistent with a mass lesion
of inflammatory nature.
33. Diagnosis
Previous history and contact with TB case
CXR and CT for looking alt sites
HIV
MRI – Confirmatory
CSF- May be Normal / finding of TBM
Culture – sensitivity low
PCR test validity doubtful.
Stereotactic/ open biopsy- Invasive
34. 9-12 months
Repeat MRI after 3 ,9 &12
months
Failure- If lack of reduction in
size /increase in size after 3-
6 months of Tt
Paradoxical Reaction-if
increase in size / number
after 3 months-Steroid/ ATT
Before putting second line in suspected MDR assess Risk/Benefit
ratio.
Tissue diagnosis- Sent H/P, AFB Culture,
36. Clinical Features
•Localised back pain>6 weeks with tenderness in
spinous process with or without fever, Wt loss with
or without spinal cord compression.
• Patient with advanced disease may have spinal
deformity, paraspinal muscle wasting
• In children failure to thrive, night cry, inability to
walk/cautious gait
37. Test Patient Comment
Chest X ray All Rule out PTB
HIV All Integrated Counselling and test
Xray Spine Limited Lesion will be delayed presentation
in CXR
( 3-6 months)
Follow up and monitoring
MRI Spine All Confirmation
Extend of Disease
Early Identification
CT Spine Selected cases Limited use in spinal cord involvement
Biopsy All P/C or Open
Send Specimen For
A)Routine and AFB Culture
B)Microscopy and AFB Smear
C)Histopathology and Cytology
Genexpert/PCR test Not Insufficient evidence
38. TREATMENT
• Start ATT if Clinico radiological evidence even if Biopsy is
not possible after assessing risk of procedure
• 2 HRZE+10 HRE ( Maximum upto 18 months of Tt)
• Surgery For Diagnosis, Spinal deformity, Neurological
Deficit
39. Follow up
• If any new signs of Neurological deficit report immediately
• Patient with Neurological Deficit weekly monitoring with
neural chart
• X ray spine every 3 months
• MRI at 6,9,12,18 following Tt Initiation
• Follow up every 6 months for 2 years after stopping
treatment
• Report to physician if any new signs after Stopping RX
40. Bone & Joint TB
• MC in Immuno suppressed and Old TB
• In the early course, aspiration of synovial fluid/ pus usually
not diagnostic but should send for Microscopy and Culture
• Biopsy of the affected structure/ sinus tract curettage /
Edge biopsy can be done and to be send for microscopy and
culture and H/P
• CBNAAT limited role
• Treatment Regimen 2 HRZE+ 10-16 HRE
45. Type Symptoms
Presumptive Peripheral LN TB LNE >1 cm in axilla, neck, groin+
Constitutional features
Mediastinal TB Constitutional features
Cough,fever
Hilar enlargement in CXR and/or
Mediastinal widening in CT
Chest in the absence of evidence
of active PTB
Abdominal LN TB Dull, colicky abdominal pain,
distension
Constitutional features
Abdominal LNE on USG ,CT or
MR
46. DIAGNOSIS
TEST PATIENT COMMENT
CXR All Cases Active/Old PTB
HIV All cases Integrated counselling &
tests
USG/CT chest&/or
abdomen
Selected cases Uncertain diagnosis
FNAC All Gene Xpert/AFB
Smear/AFB Culture&
DST/Cytology
Excision Biopsy Selected •If FNAC inconclusive
•Alternate diagnosis
Gene Xpert/AFB
smear/AFB Culture &
DST,Histopath
47. • Specimen should be taken before starting ATT
• Non dependant Aspiration by Z technique for superficial
LNE
• Image guided Aspiration for Deep LNE
• Abdominal LNE- CT Guided/USG Guided FNAC or Biopsy
• Mediastinal LNE- EBUS guided FNAC if facility available
Genexpert should be used as an additional test to cytology
( Strong)
Sensitivity -83.1% Specificity -93.1%
48. PERPIPHERAL LNE
2 HRZE+4 HRE
Follow up after 4 Months
Worsening in 1St 3 months- paradoxical reaction
If Residual LNE ( largest LN)< 1 cm at the end of Tt- No active TB
If largest LN>1 cm- Partial responders
Expert Group suggest additional 3 months of ATT - Biopsy / AFB
Culture if failed to respond to that
Some group suggest further ATT not needed
( insufficient data)
49. Follow up – 4 Months
If CXR s/o no improvement------------- CT Chest
WHEN TO STOP ATT?
if no improvement after 4 months of Tt documented
clinicoradiologically ( Difference of opinion)
Mediastinal LNE
2HRZE+ 4 HRE
51. Test Patient Comments
CXR/HIV All Rule out PTB
Integrated counselling
Ascitic fluid All Cytology,ADA,Albumin
and protein,AFB
Smear,AFB
culture,Routine C& S
USG abdomen All Ascites,Omental
thickening, Mesentric
adenopathy
USG Guided FNAC/Core
biopsy from Mesentric or
RPLN
,omentum,peritoneum
Selected Microscopy &Culture of
FNAC/Biopsy specimen
than fluid alone
Send for H/P,M/C copy,
Culture
CT/MRI Abdomen Selected Diagnostic Uncertainty
Laproscopy Selected( Cost, Invasive) Tubercles in thickened
peritoneum,omentum and
Liver
Fibro-adhesive
peritonitis
Targeted Diagnostic
SAAG<1.1
High protein (>2.5 g/DL)
ADA >39 IU/L
Sensitivity in Smear AFB
and AFB Culture Low
PCR – Variable accuracy
( No Recommendation)
52. Test Patients Comments
Ileocolonoscopy (
Retrograde ileoscopy)
All cases
Rule Out IBD
Sent for H/p,AFB
Culture
CT/MR enterography
/enteroclysis
Selected •Short Segment
stricture
•Necrotic Nodes
•Ileocaecal wall
thickening
UGIE Selected
Barium study Selected UGIE Contraindicated
or
Small Bowel stricture
PCR BASED -NOT RECOMMENDED – HIGHLY
VARIABLE ACCURACY
53. TREATMENT
2 HRZE+4 HRE
Extension as per
Physician’s discretion
All Presumptive GI TB
should be referred to GI
Follow Up after 3 & 6
Months
Surgery
Stricture-Endoscopic
Dilatation/Resection of stricture
P/c or Endoscopic biliary
stenting,Drainge of Liver abscess
55. SYMPTOMS
• Lower urinary symptoms
( frequency, urgency, nocturia) with dysuria and/or
hematuria for 2 weeks which has not responded with 5 day
course of antibiotics
• ( Avoid FQ if suspecting TB)
• Generalised symptoms
56. CXR/HIV/RFT All cases
Urine M/c and aerobic culture( Non
mycobactrial
Sterile pyuria( s/oTB)
Asso.TB
Bacterial infection
Early Morning Urine sample 3 -5sample needed for smear AFB and
AFB Culture. Low sensitivity ; but culture
confirmative
USG KUB All cases ( Normal in early disease; if pick
up hydronephrosis s/o TB)
IV urography ( plain Xray) Selected cases( widely available; Low
sensitivity)
Contrast enhanced CT urography Selected cases( More Sensitivity)
MR urography without contrast Selected( Expensive; but no need of
contrast, more sensitive
FNAC/Biopsy AFB Smear/ Culture & DST/H/P
57. Urethroscopy with or
without bladder biopsy
Selected cases
Biopsy Most of the cases( AFB
smear , Culture/HP), DST)
58. Diagnosis
CXR/HIV Test All Cases
USG or CT abdomen or Chest Selected cases
FNAC All( AFB Smear, Culture with
DST, Cytology, Xpert)
Excision Biopsy Selected ( If FNAC
inconclusive or alt .diagnosis)
AFB Smear,Culture&
DST,Xpert, Histopath
Genexpert Sensitivity -87-100% Specificity-92-98%
61. Test Patients Comments
Chest Xray All Water Bottle Sign
HIV All
ECG All Low Voltge ,T wave
flattening
ECHO All Pericardial Effusion
CT and Cardiac
MRI
Selected
62. •Microbiological Diagnosis Poor yield
•Xpert – Not Recommended
•ADA- Contributory
• 2 HRZE+4 HRE
•FUP after 4 Months
•Steroids indicated
63. TAKE HOME MESSAGE
• Treatment of EPTB is to be individualised
• Clinician is having discretion in deciding duration of
treatment ,methods of obtaining tissue for sampling etc
• Sensitivity of Newer techniques in EPTB low so that
diagnostic utility will vary depends on site of involvement
• Further study needed in certain areas – Researches should
be encouraged