Introduction: Appendectomy is the treatment of choice for acute appendicitis. The procedure can be performed open or laparoscopically. However, laparoscopy is not available on military missions abroad. It is unclear whether treatment outcomes differ between the two surgical approaches.
Materials and methods: Treatment data of all patients undergoing open and laparoscopic appendectomies in the German Armed Forces Hospital of Ulm from 2013 to 2017 were collected retrospectively. A propensity score matching analysis was performed to minimize the influence of potential confounders and to assess the influence of surgical approach on outcome (reoperations, superficial and deep surgical infections, length of postoperative ileus, need for intravenous analgesics, and operative time).
Results: A total of 542 patients with complete datasets were included in the propensity score matching analysis, among these 64 with open and 478 laparoscopic procedures. There were no statistically significant differences between open and laparoscopic surgeries with respect to all outcome variables, with the exception of a 25-minute prolonged operative time for the open approach.
Conclusions: Open appendectomy can be considered equivalent in outcome to the laparoscopic procedure and thus can be performed on military missions abroad without compromising outcome. Military surgeons must continue to be trained and confident in open appendectomy.
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