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Randomized Controlled Trial
. 2014 Nov;208(5):719-726.
doi: 10.1016/j.amjsurg.2014.04.002. Epub 2014 Jun 18.

High-concentration supplemental perioperative oxygen and surgical site infection following elective colorectal surgery for rectal cancer: a prospective, randomized, double-blind, controlled, single-site trial

Mario Schietroma  1 , Emanuela M Cecilia  1 , Federico Sista  1 , Francesco Carlei  1 , Beatrice Pessia  2 , Gianfranco Amicucci  1
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Randomized Controlled Trial

High-concentration supplemental perioperative oxygen and surgical site infection following elective colorectal surgery for rectal cancer: a prospective, randomized, double-blind, controlled, single-site trial

Mario Schietroma et al. Am J Surg. 2014 Nov.

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Abstract

Background: Perioperative supplemental oxygen has been proposed to decrease the incidence of surgical site infection (SSI) in colorectal surgery with controversial results. We have assessed the influence of hyperoxygenation on SSI by using the most homogeneous study population.

Methods: We studied, in a prospective randomized study, 81 patients, who underwent elective open infraperitoneal anastomosis for rectal cancer. Patients were assigned randomly to an oxygen/air mixture with a fraction of inspired oxygen (FiO2) of 30% (n = 41) or 80% (n = 40). Administration was commenced after induction of anesthesia and maintained for 6 hours after surgery.

Results: The overall wound infection rate was 21%: 11 patients (26.8%) had wound infections in the 30% FiO2 group and 6 (15%) in the 80% FiO2 group (P < .05). The risk of SSI was 41% lower in the 80% FiO2 group.

Conclusion: Supplemental 80% FiO2 reduced postoperative SSI with few risks to the patient and little associated cost.

Keywords: Colorectal surgery; Rectal cancer; Surgical site infection.

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