setting the scene: the global picture of antibiotic …...tetracyclines macrolides glycopeptides...
TRANSCRIPT
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The Global Picture of Antibiotic Resistance
Setting the Scene:
Otto CarsChairman
ReAct – Action on Antibiotic Resistance
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Antibiotics revolutionised medicine
US, 1950’s: The introduction of penicillin increased the chance of survival from ~25% to 85%
Penicillin G treatment
Pneumonia with bacteria in blood
Adapted from Austrian et al. Ann. Int. Med 1964
Penicillin G treatment
No antibiotic treatment
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Antibiotic resistance is now turning back the clock
Tanzania, 2000’s: Antibiotic resistance decreased the rate of survival from ~ 70% to 20%
Severe neonatal infectionscaused by multi-resistant Gram-negative bacteria
Adapted from Blomberg, BMC Infect Dis 2007
Inappropriate antibiotic treatment (ESBL)
Appropriate antibiotic treatment
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Prospective study on 655 patients in intensive care
with infections
Inadequate Antibiotic Treatment of InfectionsA Risk Factor for Hospital Mortality Among Critically Ill Patients
Inadequate
antimicrobial therapy
22,5 % of patients
Adequate
antimicrobial therapy
Mortality 42 % Mortality 17,7 %
From Kollef et al. Chest, 2000
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-In the EU, 25 000 patients die from selected multidrug resistant bacteria annually
-These deaths results in extra health-care costs and productivity losses of at least EURO 1.5 billion per year
(ECDC/EMEA /ReAct joint technical report: The bacterial challenge: time to ReAct)
- Antibiotic-resistant infections cost the U.S. healthcare system an excess of $20 billion annually
- These avoidable infections result in more than 8 million additional days spent in the hospital
(Extrapolations based on Roberts et al CID 2009)
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Modern medicine is built on access to effective antibiotics…..
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ANTIBIOTICS
Major surgeryCare of preterm babies
Intensive care
Organ transplantsCancer chemotherapy
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How did we end up here?
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“It is not difficult to make microbes resistant to penicillin ….
…. The time may come when penicillin can be bought by anyone in the shops. Then there is the danger that the ignorant man may easily underdose himself and by exposing his microbes to non-lethal quantities of the drug make them resistant.”
Alexander Fleming's Nobel Lecture, 1945
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The misuse of a miracle
From the Life Magazine Archives
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Resistance
70 years of antibiotic use….
Marketing
Overconsumption New antibiotics
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We have wasted a precious resource by not rendering antibiotics the respect they deserve
From Little, JAMA 2005;293:3029-3035
Duration of cough after physician visit until patient is feeling better
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ESBL (CTX-M) producing Enterobacteriaceae
2001-2002
Endemicity Sporadic reports
Endemicity Sporadic reports2005
2007
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Clonal outbreak of multiresistant Klebsiella
pneumoniae, Uppsala University Hospital
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Antibiotic susceptibility proportions for NDM-1-positive Enterobacteriaceae isolated in the UK and India
UK (n=37) Chennai (n=44) Haryana (n=26)
Imipenem 0% 0% 0%
Meropenem 3% 3% 3%
Piperacillin-taz 0% 0% 0%
Cefotaxime 0% 0% 0%
Ceftazidime 0% 0% 0%
From Kumarasamy et al. Lancet Infect Dis 2010
Cefpirome 0% 0% 0%
Aztreonam 11% 0% 8%
Ciprofloxacin 8% 8% 8%
Gentamicin 3% 3% 3%
Tobramycin 0% 0% 0%
Amikacin 0% 0% 0%
Minocycline 0% 0% 0%
Tigecycline 64% 56% 67%
Colistin 89% 94% 100%
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Trimethoprim
Tetracyclines
Macrolides
Glycopeptides
Streptogramins
Chloramphenicol
Quinolones
Lincosamides
Introduction of New Antibiotic Classes
Sulphonamides
Penicillins
Aminoglycosides
Glycopeptides
1930´s 1940´s 1950´s 1960´s 1970’s 1980´s 1990´s 2000´s
Oxazolidinones
Lipopeptides
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We are facing a threat
to public health security
Antibiotic
ResistanceDrug
DevelopmentDevelopment
Morbidity
Mortality
Costs
Confidence
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The challenge Bridging the gap between science and policy
Number of articles in the medical database Pub-MED
(Antibiotic or antibacterial+ resistance) per 5 years period
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2001
2005
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Antibiotic Resistance- a collective
failure of
-public policy & global governance-public policy & global governance
-research prioritization
-the current market system
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