‘Antibiotic Ireland'. Antimicrobial Resistance: A Major Cause for Concern. Improper Prescribing or Patient’s Misconceptions, Expectation and Pressure on Dr’s to prescribe ? By Theresa Lowry-Lehnen. Nurse Practitioner and Lecturer.
‘Antibiotic Ireland’: Antimicrobial Resistance A Major Cause for Concern. Improper Prescribing or Patient’s Misconceptions, Expectation and Pressure on Dr’s to prescribe ?
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Similar to ‘Antibiotic Ireland'. Antimicrobial Resistance: A Major Cause for Concern. Improper Prescribing or Patient’s Misconceptions, Expectation and Pressure on Dr’s to prescribe ? By Theresa Lowry-Lehnen. Nurse Practitioner and Lecturer. (20)
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‘Antibiotic Ireland'. Antimicrobial Resistance: A Major Cause for Concern. Improper Prescribing or Patient’s Misconceptions, Expectation and Pressure on Dr’s to prescribe ? By Theresa Lowry-Lehnen. Nurse Practitioner and Lecturer.
2. Penicillin
Thanks to the work of Alexander Fleming (1881-1955), Howard
Florey ( 1898-1968) and Ernst Chain (1906-1979), penicillin was first
discovered, developed and eventually produced on a large scale for
human use in 1943. Antibiotic therapy has played a major role in the
treatment of bacterial infectious diseases and the entire world has
benefited from one of the greatest medical advancements in history.
A. Fleming
E. Chain
H. Florey
3.
A chemical substance
produced by a
microorganism, which
has the capacity to
inhibit the growth of or
to kill other
microorganisms;
antibiotics sufficiently
nontoxic to the host are
used in the treatment of
infectious diseases.
3
4.
Although a large number of antibiotics exist, they fall into
only a few classes with an even more limited number of
targets.
–β-lactams (penicillins) –cell wall biosynthesis
–Glycopeptide (vancomycin) –cell wall biosynthesis
–Aminoglycosides (gentamycin) –protein synthesis
–Macrolides (erythromycin) –protein synthesis
–Quinolones (ciprofloxacin) –nucleic acid synthesis
–Sulfonamides (sulfamethoxazole) –folic acid metabolism
4
5. Antibiotic resistance: a global problem
Resistance is inevitable with improper
use.
No new class of antibiotic has been
introduced over the last two decades
Appropriate use is the only way of
prolonging the useful life of an
antibiotic.
6.
Antibiotic misuse, sometimes called antibiotic
abuse or antibiotic overuse, refers to the misuse
or overuse of antibiotics, with potentially serious
effects on health.
It is a contributing factor to the creation
of multidrug-resistant bacteria, informally called
"super bugs": relatively harmless bacteria can
develop resistance to multiple antibiotics and
cause life-threatening infections
7.
Several International
studies have demonstrated
that patterns of antibiotic
usage greatly affect the
number of resistant
organisms which develop.
Overuse of broadspectrum antibiotics, such
as second- and thirdgeneration
Cephalosporins, generate
7
9.
The resistant strains arise
either by mutation and
selection or by genetic
exchange in which sensitive
organisms receive the genetic
material ( part of DNA) from the
resistant organisms and the part
of DNA carries with it the
information of mode of
inducing resistance against
one or multiple antimicrobial
agents.
9
10. Some doctors give patients antibiotics when they might not be
helpful. For example, a patient with a cold may pressure a doctor
into prescribing an antibiotic because the patient hopes to get a
quick fix to his/her illness. Antibiotics won't cure a cold because
colds are caused by viruses, not bacteria.
Antibiotics have no effect on viral infections. The treatment for a
cold is generally rest, plenty of fluids and medicines for fever and
headache (if required).
Antibiotics are misused because many patients do not take them
according to their doctor's instructions. They may stop taking
their antibiotics too soon, before their illness is completely cured.
This allows bacteria to become resistant by not killing them
completely.
Some patients save unused medicine and take it later for another
illness, or pass it to other ill family members or friends. These
practices may result in the wrong antibiotics being used. They can
also lead to the development of resistant bacteria.
11. 75% of outpatient antibiotics are used
inappropriately (WHO 2012).
Patient’s misconceptions, expectations and
pressure on Doctors to prescribe antibiotics
inappropriately is a real problem in Ireland
and globally.
Patients then frequently ask - Why am I no
better after taking the antibiotics?
Side effects include gastric
disturbances, diarrhoea, rash and allergy.
11
13. For the treatment of bacterial infections.
However;
Not all fevers are due to bacterial infections
Not all infections are due to bacteria
Most viral infections self resolve in 1-3
weeks; colds, flu, gastric virus’s
There is no evidence that antibiotics will
prevent secondary bacterial infection in
patients with viral infection
13
14. Antibiotics have no effect on viral infections
such as the common cold.
They are also ineffective against most sore
throats, which are usually viral and selfresolving.
Most cases of bronchitis (90–95%) are
viral, passing after a few weeks—the use of
antibiotics against bronchitis is superfluous
and can put the patient at risk of suffering
adverse reactions
15. Patient concerns
Prescriber concerns
Expect to be cured
Need to return to work/school
Similar symptoms treated with
antibiotics in the past.
• Patient satisfaction
• Time pressures
• Diagnostic uncertainty
ANTIBIOTIC PRESCRIPTION
16. RHINITIS:
1. Antibiotics should not be
given for viral rhino-sinusitis.
2. Muco-purulent rhinitis
(thick, opaque, or discolored
nasal discharge) frequently
accompanies viral rhinosinusitis. It is not an indication
for antibiotic treatment unless
it persists without
improvement for more than
10-14 days.
SINUSITIS:
Diagnosed as sinusitis only in the
presence of:
prolonged nonspecific upper
respiratory signs and symptoms
(e.g. rhinorrhea and cough
without improvement for > 10-14
days), or
more severe upper respiratory
tract signs and symptoms (e.g.
fever >39C, facial swelling, facial
pain).
2. Initial antibiotic treatment of
acute sinusitis should be with the
most narrow-spectrum agent
which is active against the likely
pathogens
17.
18.
Most sore throats are viral and self- limiting
Strep is isolated in 30% of sore throats BUT
asymptomatic carriage can be as high as
40%
Typical features only present in 15% of
patients with strep throat
Recent studies do not support antibiotics
as preventative of non-suppurative
complications (which are rare anyway).
20. 1.Coughs and bronchitis in children rarely warrant antibiotic treatment.
2. Antibiotic treatment for prolonged cough (>10 days) may
occasionally be warranted:
- Pertussis should be treated according to established
recommendations.
- Mycoplasma pneumonia infection may cause pneumonia and prolonged
cough (usually in children > 5 years); a macrolide agent (or tetracycline
in children ≥ 8 years) may be used for treatment.
- Children with underlying chronic pulmonary disease (not including
asthma) may occasionally benefit from antibiotic therapy for acute
exacerbations.
21.
Guidelines do not recommend antibiotics for asthma
attacks. The worse the symptoms, the more often this
practice seems to occur.
Unless there is a coexisting bacterial infectious such as
pneumonia or sinusitis, antibiotics should not be used.
Over use can cause drug resistant bacterial infections.
In adults, bacterial infections are almost never the cause
of asthma exacerbations, and antibiotics are rarely needed.
The most common triggers of an asthma attack in adults are
viral infections, allergens, and irritants, non of which
responds to an antibiotics.
22.
Viral infection is disseminated throughout the
system (URT/LRT). Fever is usually high at
onset, settles by day 3-4.
Bacterial infection is localized to one part of the
system ( acute tonsillitis does not usually
present with running nose or chest signs). Fever
is generally moderate at the onset and peaks by
day 3-4.
24. DO ask your doctor whether your infection or your family
member's infection will respond to antibiotics.
DO ask your doctor about antibiotic-resistant bacteria and
what you can do to help prevent its occurrence.
DO follow the instructions for taking antibiotic’s. Always
take the exact amount specified on the label at a specified
time. Take the medicine for the entire time that your
doctor has prescribed. Even if you feel better, take all of
the medicine!
25.
DO NOT always expect the doctor to prescribe an
antibiotic. Many infections are viral and will not respond
to antibiotics.
DO NOT take antibiotics prescribed for a different
illness which have been stored at home.
DO NOT share or give antibiotics to other people. Their
illness is probably different and they might even be
harmed by this medicine.
DO NOT take antibiotics due to exposure to someone
with an infection. This only increases the chance of
picking up a resistant infection. If exposed to an
infectious disease, seek medical advice.
26. Practices Contributing to
Misuse of Antibiotics and Resistance
Inappropriate specimen selection and collection
Inappropriate clinical tests
Failure to use stains/smears
Failure to use cultures and susceptibility tests
Use of antibiotics with no clinical indication (example viral
infections)
Broad spectrum antibiotics when not indicated
Inappropriate choice of empiric antibiotics
Empiric therapy is a medical term referring to the initiation
of treatment against an anticipated and likely cause of
infection prior to determination of a firm diagnosis. Most
often used when antibiotics are given to a person before the
specific microorganism causing an infection is known.
26
27. Bad prescribing habits lead to:
Ineffective and unsafe treatment
Exacerbation or prolongation of
illness
Distress and harm to the patient
Higher cost
Increased mortality and morbidity
27
28.
Misuse of antibiotics threatens to undermine the
progress that has been made in medicine over
recent decades. The overuse of antibiotics makes
patients less likely to respond to treatment, warns
Ireland’s leading clinicians.
Launching the action on antibiotics campaign to mark
European Antibiotic Awareness Day (November
2013), Dr Fidelma Fitzpatrick, Consultant
Microbiologist and HSE/RCPI Clinical Lead said that a
casual attitude to antibiotics is damaging their
effectiveness and that we are we are seeing an
alarming global rise in so called ‘superbugs’, such as
drug-resistant bacteria that cause pneumonia and
meningitis, MRSA and E.coli.
29.
“Taking antibiotics when they aren’t needed means
that they might not work when you really need
them for a serious infection. That is why the action
on antibiotics campaign - supported by the
Department of Health, Health Service Executive, Irish
College of General Practitioners, Irish Pharmacy
Union, Royal College of Physicians and Royal College
of Surgeons in Ireland – is aiming to raise public
awareness on the correct use of antibiotics and to
preserve this precious resource for the use of future
generations.
(Dr Fidelma Fitzpatrick, Consultant Microbiologist and HSE/RCPI Clinical Lead)
30.
“Leading clinicians from the Health Service
Executive, general practice, hospital
care, surgery, dentistry and pharmacy all agree that
everyone has an important role to play in ensuring
correct use of antibiotics, and tackling the global
health threat of antibiotic resistance. The evidence
is very clear – overuse and misuse of antibiotics has
allowed bacteria to develop resistance and they are
becoming immune to the drugs we use to defend
ourselves against them”.
(Dr Fidelma Fitzpatrick, Consultant Microbiologist and HSE/RCPI Clinical Lead)
31.
“Antibiotics have utterly transformed modern
medicine. Before antibiotics were available, common
injuries such as cuts and scratches that became
infected could result in death or serious illness because
there was no treatment available. Thankfully, this
does not happen anymore as we have antibiotics
available to treat these infections. However
antibiotics must be used appropriately and by
misusing them we face the risk of returning to the
pre-antibiotic era,”
(Dr Fidelma Fitzpatrick, Consultant Microbiologist and HSE/RCPI Clinical Lead)
34. 12 Steps to Prevent Antimicrobial
Resistance
12 Break the chain
11 Isolate the pathogen
10 Stop treatment when cured
9 Know when to say “no”
8 Treat infection, not colonization
7 Treat infection, not contamination
6 Use local data
5 Practice antimicrobial control
4 Access the experts
3 Target the pathogen
2 Get the catheters out
1 Vaccinate
Prevent Transmission
Use Antimicrobials Wisely
Diagnose & Treat Effectively
Prevent Infections
34
36. Provide educational materials and
explain how the risks of antibiotics
outweigh the benefits when used
inappropriately.
Build cooperation and trust.
Responsibility to the community is
to use antibiotics correctly, for
appropriate indications.
37.
Be fully informed about the
appropriate use and misuse
of antibiotics.
Are you demanding or
pressurizing your Dr into
prescribing antibiotics
unnecessarily for your
child?
Are misconceptions/
demands for inappropriate
antibiotics doing your child
more harm than good?
The answer is YES.
37
38. ADA Council on Scientific Affairs. Combating antibiotic resistance. 2004;135:484.
American Academy of Pediatrics and American Academy of Family Physicians, Pediatrics
2004;113:1451-1.
Fatehy, H, Consultant Pulmonologist: Abuse of antibiotics in clinical Practice .Power-pointaccessed on slideshare, February 4th 2014.
Harrison JW, Svec TA (April 1998). "The beginning of the end of the antibiotic era? Part II.
Proposed solutions to antibiotic abuse". Quintessence International 29 (4): 223–9
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Disease Control and Prevention, National Center for Health Statistics, 2009.
Health, United States, 2010: U.S. Department of Health and Human Services, Centers for
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HSE Guidelines (2013) Keeping antibiotics effective is everyone’s responsibility. HSE, Ireland
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