Retrospective review of risk factors for surgical wound dehiscence and incisional hernia

Sofie Walming, Eva Angenete, Mattias Block, David Bock, Bodil Gessler, Eva Haglind, Sofie Walming, Eva Angenete, Mattias Block, David Bock, Bodil Gessler, Eva Haglind

Abstract

Background: Several factors and patient characteristics influence the risk of surgical wound dehiscence and incisional hernia after midline laparotomy. The purpose of this study was to investigate whether a specified, or not specified, suture quota in the operative report affects the incidence of surgical wound complications and to describe the previously known risk factors for these complications.

Methods: Retrospective data collection from medical records of all vascular procedures and laparotomies engaging the small intestines, colon and rectum performed in 2010. Patients were enrolled from four hospitals in the region Västra Götaland, Sweden. Unadjusted and adjusted Cox regression analyses were used when calculating the impact of the risk factors for surgical wound dehiscence and incisional hernia.

Results: A total of 1,621 patients were included in the study. Wound infection was a risk factor for both wound dehiscence and incisional hernia. BMI 25-30, 30-35 and >35 were risk factors for wound dehiscence and BMI 30-35 was a risk factor for incisional hernia. We did not find that documentation of the details of suture technique, regarding wound and suture length, influenced the rate of wound dehiscence or incisional hernia.

Conclusions: These results support previous findings identifying wound infection and high BMI as risk factors for both wound dehiscence and incisional hernia. Our study indicates the importance of preventive measures against wound infection and a preoperative dietary regiment could be considered as a routine worth testing for patients with high BMI planned for abdominal surgical precedures.

Keywords: Hernia; Laparotomy; Risk factors; Surgical wound dehiscence.

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