Journal
JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA
Volume 40, Issue 6, Pages 684-689Publisher
ELSEVIER INC
DOI: 10.1016/j.jogc.2017.09.020
Keywords
Surgical site infection; caesarean delivery; modifiable risk factors
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Objective: This study sought to determine baseline Caesarean delivery (CD) surgical site infection (SSI) rates in various patient subgroups and to identify potentially modifiable and non-modifiable risk factors for SSI. Methods: This is a secondary analysis of a multicentre CD registry. Women who underwent CD were divided into SSI versus no SSI. SSI was defined as an infection that occurred in the part of the body where the surgery took place, within 30 days of surgery. Clinical characteristics and potential risk factors were compared between groups. Results: Of 57 182 women, 3696 (6.5%) had SSI. SSI rates were higher in primary versus repeat CD (9.7% vs. 4.2%; P < 0.001). and in CD after labour vs. no labour (9.5% vs. 3.8%; P < 0.001). After adjustment for confounding factors, low transverse CD (adjusted OR [aOR]0.7 [0.6-0.91), CD performed between 7 PM and 7 AM (aOR 0.9[0.83-0.98]), primary CD (aOR 0.5 [0.5-0.6]), and intrapartum antibiotics (aOR 0.3 [0.1-0.4]) were associated with a decreased in the rate of SSI. Black race (aOR 1.9 [1.7-2.11), tobacco use (aOR 1.4 [1.2-1.61), increasing American Society of Anesthesiologists category (aOR 1.3 [1.1-1.6]), vertical skin incision (aOR 1.2 [1.1-1.3], emergency CD (aOR 1.3 [1.1-1.5]), and postpartum transfusion (aOR 2.7 [2.1-3.6]) were associated with an increase in the rate of SSI. Conclusion: This study estimates the CO SSI rates in different subgroups and serves as a baseline for future trials designed to develop preventive guidelines and protocols.
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