Chlorhexidine-alcohol versus Povidone-Iodine-alcohol for surgical site antisepsis in caesarean section

Vishnu Priya Kesani; Sruthi Talasila; Sheela S. R.

doi:10.18203/2320-1770.ijrcog20191181

Authors

Vishnu Priya Kesani Department of Obstetrics and Gynecology, Sri Devraj Urs Medical College, Kolar, Karnataka, India
Sruthi Talasila Department of Obstetrics and Gynecology, Sri Devraj Urs Medical College, Kolar, Karnataka, India
Sheela S. R. Department of Obstetrics and Gynecology, Sri Devraj Urs Medical College, Kolar, Karnataka, India

DOI:

https://doi.org/10.18203/2320-1770.ijrcog20191181

Keywords:

Chlorhexidine, Preoperative antisepsis, Surgical-site infection

Abstract

Background: Caesarean section is one of the most common procedures performed. Recent studies found that surgical-site infection (SSI) was the most common healthcare-associated infection. Authors hypothesized that optimization of preoperative skin antisepsis may decrease postoperative infections. The objective was to establish the efficacy of chlorhexidine-based antiseptic protocol versus povidone-iodine protocol in reducing SSI for patients undergoing caesarean deliveries.

Methods: This is a randomized prospective study conducted from April 2017 to September 2017 at a tertiary care center in India. Women who underwent caesarean sections were allocated into either group. Enrolled patients were randomly assigned to have the surgical site painted with chlorhexidine-alcohol preparation or painted with a solution of 10% povidone-iodine and then with surgical spirit. The outcomes were any SSI occurring within a week or during the 30 day follow up period of the surgery including any of: superficial or deep surgical site infection, or endometritis, according to Centers for Disease Control and Prevention definitions.

Results: A total of 560 subjects (273 in the chlorhexidine group and 287 in the iodine group) qualified for the study. The number of surgical-site infection was significantly lower in the chlorhexidine group than in the iodine group (6.95% vs. 14.28%; P=0.005). Chlorhexidine–alcohol was significantly more protective than iodine-alcohol against both superficial incisional infections (5.49% vs. 10.10%, P=0.03) and deep incisional infections (1.46% vs. 4.18%, P=0.04).

Conclusions: This study highlighted that Chlorhexidine-alcohol provided superior skin antisepsis in comparison to povidone iodine-alcohol.

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