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A decontamination and sterilization protocol employed during reuse of cardiac electrophysiology catheters inactivates human immunodeficiency virus.

Auteur
DRUCE (Julian-D); RUSSELL (Jessica-S); BIRCH (Christopher-J); YATES (Lynette-A); HARPER (Richard-W); SMOLICH (Joseph-J)
Collectivité auteur
Victorian Infectious Diseases Reference Laboratory. North Melbourne. AUS
Centre for Heart and Chest Research. Department of Medicine. Monash University and Monash Medical Centre. Clayton Victoria. AUS
Source
INFECTION CONTROL AND HOSPITAL EPIDEMIOLOGY, Vol 24, N° 3, 2003, pages 184-190, 20 réf.
Type de document
ARTICLE
Langue
Anglais
Résumé
OBJECTIVE : To assess the effect of a standard decontamination and sterilization protocol employed during reuse of cardiac electrophysiology (EP) catheters on human immunodeficiency virus (HIV). SETTING : Public health viral research laboratory. METHODS : Studies were performed on distal, electrode-containing segments of 40 EP catheters previously used in up to 10 clinical EP procedures. EP catheter segments were immersed for 1 hour in blood contaminated with a high titer of HIV. After air drying for 2 hours, subgroups of 8 EP catheters were subjected to either (1) no treatment, (2) washing in general purpose detergent, (3) washing in enzyme cleaner, (4) sterilization in ethylene oxide, or (5) the full protocol of sequential detergent-enzyme cleaner-ethylene oxide exposure. HIV infectivity after treatment was determined by measuring HIV RNA and, in cell culture studies, assessing HIV-induced cytopathic effects (CPEs) and supernatant HIV-specific p24 antigen content. RESULTS : With no treatment, all catheters had high HIV RNA levels associated with CPEs and high p24 antigen levels. After washing in detergent, 5 of 8 catheters had HIV RNA detected, but without CPEs or p24 antigen. HIV RNA was detected in all catheters after washing in enzyme cleaner, with CPEs and a high p24 antigen level in 1 of 8 catheters. HIV RNA, CPEs, and p24 antigen were absent after ethylene oxide. After the full protocol, HIV RNA levels were undetectable (n=7) or low (n=1), without evidence of CPEs or p24 antigen. CONCLUSION : Appropriate decontamination and sterilization of EP catheters during reuse is highly effective in inactivating HIV.
Mots-clés BDSP
Décontamination Stérilisation Coeur Cathéter Efficacité VIH Rétrovirus Virus In vitro Australie Océanie Désinfection Hygiène
Mots-clés Pascal
Electrophysiologie Equipement médical Décontamination Stérilisation Réutilisation Coeur Cathéter Efficacité Virus immunodéficience humaine Lentivirus Retroviridae Virus In vitro Australie Océanie Désinfection Hygiène
Mots-clés Pascal anglais
Electrophysiology Medical equipment Decontamination Sterilization Reuse Heart Catheter Efficiency Human immunodeficiency virus Lentivirus Retroviridae Virus In vitro Australia Oceania Disinfection Hygiene
Provenance

Inist-CNRS - Institut de l'Information Scientifique et Technique

Identifiant BDSP
280891
Création de la notice
2003-10-13
Dernière mise à jour
2003-10-13

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