AI Article Synopsis
- The study compared the antiseptic effectiveness of sodium hypochlorite and chlorhexidine gluconate in isopropyl alcohol, along with the sustained effects of chlorhexidine, povidone-iodine, and sodium hypochlorite.
- In the first step, 30 volunteers' skin areas were tested for bacteria after applying either antiseptic or controls, showing no significant difference between the two antiseptics, but both were more effective than the controls.
- The conclusion suggests that while all three antiseptics are effective for short-term use, chlorhexidine is particularly recommended for procedures needing prolonged action, like surgeries or catheter insertions.
Article Abstract
Background: The present study compared both the antiseptic efficacy of sodium hypochlorite against that of chlorhexidine gluconate in isopropyl alcohol and the substantive effect of chlorhexidine, povidone iodine, and sodium hypochlorite.
Methods: This was a 2-step study that included volunteers. In step 1, 4 skin areas were tested for bacteria in colony-forming units (CFU): 2 were controls to determine baseline bacteria or the effect of scrubbing, and 2 were treated with 10% hypochlorite or 2% chlorhexidine in isopropyl alcohol. Every subject was tested 4 times. The second step tested the substantive effect of 10% povidone-iodine and the aforementioned antiseptics.
Results: For the first step, 30 volunteers were studied, resulting in 120 determinations for each control and antiseptic. No differences between chlorhexidine gluconate (median 115 CFU/cm(2)) and sodium hypochlorite (median 115 CFU/cm(2)) were found. Both antiseptics were significantly different from rubbing control (317 CFU/cm(2)) and basal control (606 CFU/cm(2)). Only chlorhexidine showed a substantive effect.
Conclusion: We consider that chlorhexidine gluconate in isopropyl alcohol, sodium hypochlorite, and povidone-iodine is equally effective for procedures that do not require a long action. However, chlorhexidine is desirable for procedures such as catheter insertion, skin preparation for surgery, or handwashing prior to surgery.
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| http://dx.doi.org/10.1016/j.ajic.2012.10.002 | DOI Listing |
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