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Published on: July 24, 2021
[Infections due to multidrug-resistant pathogens : Pathogens, resistance mechanisms and established treatment
D C Richter1, T Brenner2, A Brinkmann3
1Klinik für Anästhesiologie, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 110, 69120, Heidelberg, Deutschland. daniel.richter@med.uni-heidelberg.de.
Abstract:
The increase in resistant pathogens has long been a global problem. Complicated life-threatening infections due to multidrug-resistant pathogens (MRD) meanwhile occur regularly in intensive care medicine. An important and also potentially modifiable factor of the rapid spread of resistance is the irrational use of broad spectrum antibiotics in human medicine. In addition to many other resistance mechanisms, beta-lactamases play an important role in Gram-negative pathogens. They are not uncommonly the leading reason of difficult to treat infections and the failure of known routinely used broad spectrum antibiotics, such as cephalosporins, (acylamino)penicillins and carbapenems. Strategies for containment of MRDs primaríly target the rational use of antibiotics. In this respect interdisciplinary treatment teams, e.g. antibiotic stewardship (ABS) and infectious diseases stewardship (IDS) play a major role.
Insights
The rise of multidrug-resistant pathogens (MRD) is a global challenge, often linked to irrational antibiotic use. Strategies like antibiotic stewardship programs are crucial for controlling resistance spread.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Multidrug-resistant pathogens (MRD) pose a significant global health threat, particularly in intensive care settings.
- The irrational use of broad-spectrum antibiotics is a key driver in the rapid dissemination of antimicrobial resistance.
- Beta-lactamases are critical resistance mechanisms in Gram-negative bacteria, leading to treatment failures with common antibiotics.
Purpose of the Study:
- To highlight the global challenge of multidrug-resistant pathogens.
- To emphasize the role of irrational antibiotic use in resistance spread.
- To discuss the importance of stewardship programs in combating antimicrobial resistance.
Main Methods:
- Review of existing literature on antimicrobial resistance and pathogen spread.
- Analysis of the impact of broad-spectrum antibiotic usage.
- Examination of resistance mechanisms, including beta-lactamases.
- Evaluation of containment strategies, focusing on antibiotic stewardship.
Main Results:
- Multidrug-resistant pathogens cause life-threatening infections, especially in intensive care.
- Broad-spectrum antibiotic overuse accelerates resistance.
- Beta-lactamase production is a primary cause of treatment failure against Gram-negative infections.
Conclusions:
- Rational antibiotic use is paramount for controlling MRD.
- Interdisciplinary teams, such as antibiotic stewardship (ABS) and infectious diseases stewardship (IDS), are vital for effective resistance containment.
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