• Woubet Tefera Kassahun, Jonas Babel, and Matthias Mehdorn.
• Department of Visceral, Transplantation, Thoracic and Vascular Surgery, Faculty of Medicine, University Hospital of Leipzig, Liebigstr. 20, 04103, Leipzig, Germany. woubet.kassahun@medizin.uni-leipzig.de.
• Eur J Trauma Emerg Surg. 2024 Jun 1; 50 (3): 799808799-808.

PurposeThe current study was undertaken to describe the independent contribution of chronic obstructive pulmonary disease (COPD) to the risk of postoperative morbidity and in-hospital mortality among patients undergoing surgery for an acute abdominal diagnosis.MethodsPatients who underwent emergency abdominal procedures were identified from the electronic database of the Department of Visceral, Transplantation, Thoracic and Vascular Surgery of our institution. To evaluate differences in surgical risk associated with COPD, patients with COPD were matched for age, sex, and type of surgery with an equal number of controls who did not have COPD. Logistic regression was performed to evaluate the univariate and multivariate associations between the independent variables, including COPD and outcome variables.ResultsBetween January 2012 and December 2022, 3519 patients undergoing abdominal emergency surgery were identified in our abdominal surgical department. After removing ineligible cases, 201 COPD cases with an equal number of matched controls remained for analysis. The prevalence of COPD after the exclusion of ineligible cases was 5.7%. There were statistically significant differences in the rate of postoperative pulmonary complications (PPCs [57.7% vs. 35.8%; P < 0.001]), ventilator dependence (VD [63.2% vs. 46.3%; P < 0.001]), thromboembolic events (TEEs [22.9% vs. 12.9%; P = 0.009]), and in-hospital mortality (41.3% vs. 30.8%; P = 029) for patients with and without COPD. Independent of other covariates, the presence of COPD was not associated with a significantly increased risk of in-hospital mortality (OR, 1.16; 95% CI 0.70-1.97; P = 0.591) but was associated with an increased risk of PPCs (OR, 2.49; 95% CI 1.41-4.14; P = 0.002) and VD (OR, 2.26; 95% CI 1.22-4.17; P = 0.009).ConclusionsPreexisting COPD may alter a patient's risk of PPCs and VD. However, it was not associated with an increased risk of in-hospital mortality.© 2023. The Author(s).

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