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HAI Bloodstream Infections - Coggle Diagram
HAI Bloodstream Infections
Epidemiology
5-10% of hospital-acquired infections
High rates in...
Intensive care
Burns
Urology
Oncology
Sources
Intravascular catheters
Peripheral or central
Urinary catheters
Infection at other body sites
Causative organisms
Normal skin flora
Coagulse - staphylococci
Staph. aureus
Corynebacterium
Bacteria introduced from hands of healthcare workers
Others
Gram - bacteria
E. Coli
Pseudomonas aeruginosa
Streptococci
Enterococci
Candida
Pathogenesis
Intravascular catheters direct accèss to bloodstream
Microorganisms from skin migrate down insertion tract along external surface of catheter ---> tip
Migration from contaminated hub through internal lumen of catheter
Haematogenous seeding of microorganisms in blood from another source to catheter
Contamined infusion fluid
Rare
Treatment/Prevention
Prevention
Hand hygeine
Aseptic technique in central venous catheter handling
Central venous catheter protocol
Care/maintenance of central venous catheter
Daily review of central venous catheter
Removal of catheter when not needed
