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[Infectious complications due to central venous polymeric catheters]
R W Kurz1, U Hollenstein, P Krafft
1I. Medizinische Abteilung, Kaiser Franz Josef-Spital, Wien.
Der Anaesthesist
|May 1, 1991
Summary
Central venous catheter infections, or catheter-associated bacteremias (CAB), are a significant risk in intensive care. Strict aseptic techniques and specialized care teams are crucial for preventing these serious bloodstream infections.
Area of Science:
- Infectious Diseases
- Medical Microbiology
- Critical Care Medicine
Context:
- Central venous catheters are essential in intensive care but pose a risk for bloodstream infections.
- Catheter-associated bacteremias (CAB) incidence ranges from 0.1 to 0.6 per 100 catheter-days.
- Infections are influenced by patient factors, catheter material (silicone vs. polytetrafluoroethylene), and pathogens like Staphylococci, Enterococci, Pseudomonas, and Candida albicans.
Purpose:
- To review the incidence, causes, diagnosis, and prevention of central venous catheter-associated infections.
- To highlight the importance of bacteriological examination for diagnosis.
- To emphasize prophylactic measures for preventing CAB.
Summary:
- CAB can originate from contaminated hubs, catheter entry sites, or infusion fluids.
- Diagnosis relies on bacteriological catheter tip cultures (quantitative/semiquantitative) and staining methods.
- Key pathogens include Staphylococci, Enterococci, Pseudomonas, and Candida albicans, particularly in immunocompromised patients on total parenteral nutrition (TPE).
Impact:
- Highlights the need for stringent aseptic techniques during catheter insertion and maintenance.
- Underscores the role of specialized nursing teams or "TPE teams" in infection control.
- Informs clinical practice regarding the prevention and management of catheter-related infections in critical care settings.