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Surg Infect (Larchmt). 2016 Feb;17(1):106-13. doi: 10.1089/sur.2013.132. Epub 2015 Nov 10.

Supplemental Peri-Operative Oxygen and Incision Site Infection after Surgery for Perforated Peptic Ulcer: A Randomized, Double-Blind Monocentric Trial.

Author information

1
Department of Surgery, University of L'Aquila , Coppito, Italy .

Abstract

BACKGROUND:

The clinical role of hyperoxia for preventing surgical site infection (SSI) remains uncertain because randomized controlled trials on this topic have reported disparate results. One of the principal reasons for this outcome may be that prior trials have entered heterogeneous populations of patients and a variety of procedures. The aim of our study was to assess the influence of hyperoxygenation on SSI using a homogeneous study population.

METHODS:

From January 2004 to April 2013, we studied, in a randomized trial, 239 patients, who underwent open surgery for perforated peptic ulcer (PPU). The surgical procedure was performed through an upper abdominal midline incision, and closure of PPU was achieved by suture alone or in combination with an omental patch. Patients were assigned randomly to an oxygen/air mixture with a fraction of inspired oxygen (FiO2) of 30% (n = 120) or 80% (n = 119). Administration was commenced after induction of anesthesia and maintained for 6 hours after surgery.

RESULTS:

The overall incision infection rate was 38.4% (92 of 239): 61 patients (50.8%) had an infection in the 30% FiO2 group and 31 (26%) in the 80% FiO2 group (p < 0.05). The risk of SSI was 48% lower in the 80% FiO2 group (relative risk 0.51; 95% confidence interval [CI] 0.28-1.08) vs 30% FiO2.

CONCLUSIONS:

Supplemental 80% FiO2 during and for 6 h after open surgery for PPU, which reduces post-operative SSI, should be considered part of ongoing quality improvement activities related to surgical care, with few risks to the patient and little associated cost.

PMID:
26554853
DOI:
10.1089/sur.2013.132
[Indexed for MEDLINE]

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