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Nephrology (Carlton). 2018 Sep;23(9):863-866. doi: 10.1111/nep.13101.

Disinfection of the peritoneal dialysis bag medication port: Comparison of disinfectant agent and disinfection time.

Author information

1
Postgraduate Program in Medicine and Health Sciences PPG-MCS, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.
2
Faculty of Pharmacy and Laboratory of Clinical Pathology, São Lucas Hospital of PUC, Porto Alegre, Brazil.
3
Faculty of Nursing, Nutrition and Physiotherapy, PUCRS, Porto Alegre, Brazil.

Abstract

AIM:

The aim of the present study was to compare different disinfection techniques for the peritoneal dialysis bag medication port (MP).

METHODS:

An experimental study was conducted testing different cleaning agents (70% alcohol vs 2% chlorhexidine) and time periods (5, 10 and 60 s) for disinfection of the MP. Five microorganisms (S. aureus, E. coli, A. baumannii and C. parapsilosis, CNS) were prepared for use as contaminants of the MP. MP were incubated in Tryptic soy broth at 36°C for 24 h, after which, they were seeded on a Biomérieux blood agar plate and incubated for 24 h at 36°C.

RESULTS:

Three hundred peritoneal dialysis bags were analyzed regarding the time expose to the disinfectant showed a statistically significant difference in the number of culture positive (7/100) P = 0.001; Gram positive (6/100) P = 0.006 for 5 s, one positive culture and turbid bag with 10 s, while friction for 60 s showed all negative results. The comparison between disinfectant, alcohol or chlorhexidine, 150 bag in each group, showed that the ones disinfected with alcohol had five turbid bags, eight positive cultures and seven germs identified, while all bags disinfected with chlorhexidine were negative for all parameters, with a difference statistically significant (P = 0.004).

CONCLUSION:

Our results suggest that the MP should be scrubbed with 2% chlorhexidine for at least 5 s; if alcohol 70% is used the length of friction should not be inferior to 10 s.

KEYWORDS:

antisepsis; chronic renal failure; disinfection; nursing; peritoneal dialysis

PMID:
28703892
DOI:
10.1111/nep.13101

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