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Emerging multiresistant organisms in the ICU: epidemiology, risk factors, surveillance, and prevention
J M Broadhead1, D S Parra, P A Skelton
1Wilford Hall USAF Medical Center, San Antonio, Texas, USA.
Abstract:
Recent cases of vancomycin-resistant enterococcus (VRE) at our facility and the emergence of new vancomycin intermediate resistant strains of bacteria provided the impetus for this discussion on superbugs. Each year approximately two million patients develop an infection after receiving health care in a United States hospital. These infections are often difficult to treat because the microorganisms most frequently involved are resistant to current antibiotic therapy. The result is increased morbidity, mortality, and health care costs. The recent development of intermediate resistant strains of bacteria is indeed an ominous indicator of what the future might hold for the health care profession should our current practices go on unchecked. This article will present an overview of the epidemiology of these multiresistant organisms, risk factors inherent to the intensive care environment, nursing responsibilities, and the rationale for surveillance protocols.
Insights
Superbugs, or drug-resistant bacteria, cause millions of difficult-to-treat healthcare-associated infections annually. Emerging resistant strains necessitate urgent review of practices to combat rising morbidity and mortality.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Healthcare-associated infections (HAIs) affect millions annually, often caused by antibiotic-resistant microorganisms.
- Rising prevalence of vancomycin-resistant enterococcus (VRE) and new intermediate resistance strains signals a growing threat.
- These infections lead to increased patient morbidity, mortality, and healthcare expenditures.
Purpose of the Study:
- To discuss the epidemiology of multidrug-resistant organisms (superbugs).
- To identify risk factors associated with intensive care environments.
- To outline nursing responsibilities and surveillance protocols for managing resistant infections.
Main Methods:
- Literature review and synthesis of current data on superbug epidemiology.
- Analysis of risk factors in intensive care settings.
- Discussion of established and recommended surveillance strategies.
Main Results:
- Superbugs pose a significant challenge due to widespread antibiotic resistance.
- Intensive care environments present unique risk factors for the development and spread of resistant infections.
- Effective surveillance and nursing interventions are crucial for control.
Conclusions:
- The emergence of new resistant strains is a critical warning for healthcare practices.
- Multidrug-resistant organisms require comprehensive management strategies, including robust surveillance and infection control.
- Proactive measures are essential to mitigate the impact of superbugs on patient outcomes and healthcare costs.