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Effectiveness of programs to decrease antimicrobial resistance in the intensive care unit
Charles Scott Hall1, David E Ost
1Center for Pulmonary and Critical Care Medicine, North Shore University Hospital, 300 Community Drive, Manhasset, NY 11030, USA.
Abstract:
Resistance of microbes to antibiotics is an increasing problem in intensive care units (ICUs) with a prevalence of 86% in some isolates. Resistance results in increased morbidity, mortality, and increased costs. Risk factors associated with the development of resistance and strategies to combat resistance are discussed. Risk factors include increased antibiotic use, host factors including severity of illness and length of stay, and lack of adherence to infection control practices. Multiple strategies to decrease resistance have been studied. Changing antimicrobial practices via guideline development, antibiotic restriction, use of information systems technology, crop rotation, narrowing spectrum of empiric antibiotics, multidisciplinary approaches, and selective decontamination have had variable results. Prevention of horizontal transmission via handwashing, glove and gown use, alternatives to soap, and improving the workload and facilities for health care workers is discussed. Primary prevention via decreased length of stay, selective digestive decontamination, vaccine development, and decreased use of invasive devices also plays a role.
Insights
Antibiotic resistance in intensive care units (ICUs) is a major challenge, increasing patient illness and costs. Strategies to combat microbial resistance involve optimizing antibiotic use and infection control practices.
Area of Science:
- Microbiology
- Infectious Diseases
- Critical Care Medicine
Background:
- Antibiotic resistance in intensive care units (ICUs) is a significant and growing global health concern.
- High prevalence rates of microbial resistance in ICUs lead to increased patient morbidity, mortality, and healthcare expenditures.
- Understanding the risk factors and effective strategies is crucial for managing this escalating problem.
Purpose of the Study:
- To review and discuss the primary risk factors contributing to the development of antibiotic resistance in ICUs.
- To explore and evaluate various strategies aimed at combating and preventing the spread of antimicrobial resistance.
- To highlight the importance of both preventative measures and treatment approaches in healthcare settings.
Main Methods:
- Literature review and synthesis of existing research on antibiotic resistance in ICUs.
- Analysis of risk factors, including antibiotic usage patterns, host-related factors, and infection control adherence.
- Evaluation of implemented strategies, encompassing antimicrobial stewardship, infection prevention, and novel therapeutic approaches.
Main Results:
- Identified key risk factors: increased antibiotic use, patient severity of illness, prolonged hospital stays, and inadequate infection control.
- Documented variable success rates for strategies like guideline implementation, antibiotic restriction, and selective decontamination.
- Emphasized the effectiveness of infection prevention measures such as hand hygiene and appropriate use of personal protective equipment.
Conclusions:
- Combating antibiotic resistance requires a multifaceted approach, integrating antimicrobial stewardship, robust infection control, and primary prevention strategies.
- Continued research and implementation of evidence-based practices are essential to mitigate the impact of resistance in critical care settings.
- Addressing antibiotic resistance is critical for improving patient outcomes and reducing the economic burden in ICUs.