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Title: A single plain ring is not associated with increased bacterial load on hands: An experimental study among healthcare worker students undertaking mock surgery
Authors: Aguiar Cabrera, Eva María
Barroso Rosa, Sergio 
Ojeda Vargas, María Del Mar 
Hernández Flores, Carmen Nieves 
Hernández Costa, Elena María 
UNESCO Clasification: 32 Ciencias médicas
320505 Enfermedades infecciosas
Keywords: Chlorhexidine
Hand Hygiene
Ring, et al
Issue Date: 2024
Journal: Infection, Disease and Health 
Abstract: Background: Adequate hand hygiene is considered as one of the most effective strategies in healthcare-related infection prevention. The potential negative effect of rings in hand disinfection and thus, in increased nosocomial infections rates is still controversial. Therefore, the present study was designed with the purpose of examining if rings frequently exposed to surgical scrubbing were associated or not with increased bacterial counts. Methods: 32 volunteers were randomized into 4 groups: A (no rings), B (participants wore a ring), C (no rings and performed surgical scrubbing with chlorhexidine every 48 h) and D (participants wore a ring and performed surgical scrubbing every 48 h). Glove juice samples were obtained at day 0 (T0) and after a 90-min mock-surgery on day 14 (T1). Quantitative (number of UFC/mL) and qualitative data (microorganism type) were collected as study variables. Results: All groups were comparable at T0. All ring carriers obtained negative cultures at T1. Ring presence was not associated with higher bacterial counts; comparisons between A vs B groups and C vs D groups showed no statistically significant differences (p = 0.076 and 1.000). T1 negative cultures were more frequent in participants performing surgical scrubbing every second day (93.8 % vs 75 %), although this difference did not reach statistical significance (p = 0.332). Conclusions: The presence of single plain ring does not seem to be associated with an increased hand bacterial load. Regular surgical scrubbing with chlorhexidine impregnated sponges reduces bacterial contamination of hands, even in the presence of plain rings.
ISSN: 2468-0451
DOI: 10.1016/j.idh.2023.10.003
Source: Infection, Disease and Health [ISSN 2468-0451], v. 29, nº 1, p. 51-60,(Febrero 2024)
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