Surgical hand antisepsis with alcohol solution: microbial reduction at different application times in the surgical center
DOI:
https://doi.org/10.5327/Z1414-4425202000020004Keywords:
Enfermagem, Centro Cirúrgico, Higienização de Mãos Pré-Cirúrgica,Abstract
Objective: To evaluate the microbial reduction after surgical hand antisepsis performed with alcohol solution at different application times
among surgeons. Method: This is a pragmatic prevalence field study carried out in a Brazilian tertiary hospital. Microbiological samples were collected
from the hands of 54 surgeons after simple washing to determine the baseline microbial flora and after surgical antisepsis with an alcohol solution to
evaluate the immediate microbial reduction. We categorized the microbial reduction results as mild (up to 50% bacterial flora reduction), moderate (51
to 80%), and high (more than 80%). The research was submitted to and approved by the Research Ethics Committee of the private hospital (study site)
and the federal institution of higher education. Results: Techniques performed in less than 90 seconds showed an 80% high reduction, 6.7% moderate
reduction, and 13.3% mild reduction. In applications that lasted more than 180 seconds, all samples presented bacterial count reduction, which did not
occur in shorter antisepsis times. Conclusion: When the recommended technique and time are followed, the bacterial reduction is greater compared
to lower durations.
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