Clinical challenges of nosocomial infections caused by antibiotic-resistant pathogens in pediatrics
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Published on: September 27, 2024
1Division of Infectious Diseases, Children's Hospital and Health Center, San Diego, CA 92123, USA.
Insights
Antibiotic resistance in hospital-acquired infections is a growing concern. Understanding adaptive resistance mechanisms and mobile genetic elements is crucial for treating infections caused by resistant pathogens.
Area of Science:
- Infectious Diseases
- Microbiology
- Clinical Medicine
Background:
- Antibiotic resistance in nosocomial infections presents a significant and escalating challenge in healthcare.
- Healthcare institutions increasingly manage pediatric patients with complex medical and surgical conditions, exacerbating this issue.
Purpose of the Study:
- To review the mechanisms of antibiotic resistance in common nosocomial pathogens.
- To discuss the role of mobile genetic elements in the spread of resistance.
- To outline strategies for treating infections caused by antibiotic-resistant organisms.
Main Methods:
- Review of scientific literature on antibiotic resistance mechanisms.
- Analysis of adaptive resistance strategies in gram-negative and gram-positive bacteria.
- Discussion of clinical case studies and outbreak descriptions.
Main Results:
- Adaptive resistance mechanisms enable pathogens to survive extensive antibiotic use, leading to significant infections.
- Mobile genetic elements accelerate the dissemination of antibiotic resistance within and between bacterial species.
- Nosocomial outbreaks caused by resistant organisms are a documented clinical reality.
Conclusions:
- Understanding resistance mechanisms is vital for effective treatment of nosocomial infections.
- Developing targeted therapeutic strategies is essential to combat resistant pathogens.
- Empiric therapy must consider local resistance patterns, infection site, and likely pathogens.
Abstract:
Antibiotic resistance in nosocomial infections is an ever-increasing problem as health care institutions provide care for children with more complicated medical and surgical problems. Several mechanisms of antibiotic resistance are reviewed for both gram-negative and gram-positive nosocomial pathogens. These adaptive resistance mechanisms allow organisms to survive in an environment of extensive antibiotic use and result in clinically significant infections. Mobile genetic elements have facilitated the rapid spread of antibiotic resistance within and among species. The clinical challenge faced by many practitioners is to understand these mechanisms of antibiotic resistance and to develop strategies for successfully treating infection caused by resistant pathogens. Nosocomial outbreaks caused by resistant organisms are described, and an approach to empiric therapy based on presumed pathogens, site of infection, and local resistance patterns is discussed.
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