Anders Winther Voldby1, Anders Watt Boolsen2, Anne Albers Aaen3, Jakob Burcharth4, Sarah Ekeløf4, Roberto Loprete5, Simon Jønck6, Hassan Ali Eskandarani3, Lau Caspar Thygesen7, Ann Merete Møller8, Birgitte Brandstrup2. 1. Department of Surgery, Holbæk Hospital, Part of Copenhagen University Hospitals, Smedelundsgade 60, 4300, Holbaek, Denmark. anders.voldby@gmail.com. 2. Department of Surgery, Holbæk Hospital, Part of Copenhagen University Hospitals, Smedelundsgade 60, 4300, Holbaek, Denmark. 3. Department of Anesthesiology and Intensive Care Medicine, Holbæk Hospital, Holbæk, Denmark. 4. Department of Surgery, Zealand University Hospital, Roskilde, Denmark. 5. Department of Surgery, Slagelse Hospital, Slagelse, Denmark. 6. Department of Emergency Medicine, Holbæk Hospital, Holbæk, Denmark. 7. Department of Population Health and Morbidity, University of Southern Denmark, Odense, Denmark. 8. Department of Anesthesiology and Intensive Care Medicine, Herlev Hospital, Herlev, Denmark.
Abstract
PURPOSE: Emergency gastrointestinal surgery is followed by a high risk of major complications and death. This study aimed to investigate which complications showed the strongest association with death following emergency surgery for gastrointestinal obstruction or perforation. METHODS: We retrospectively included adults who had undergone emergency gastrointestinal surgery for radiologically verified obstruction or perforation at three Danish hospitals between 2014 and 2015. The exposure variables comprised 16 predefined Clavien-Dindo-graded complications. Cox regression with delayed entry was used to analyze the association of these complications with 90-day mortality. We adjusted for hospital, age, American Society of Anesthesiologists classification, pre-operative Sepsis-2 score, cardiac comorbidity, renal comorbidity, hypertension, active cancer, bowel obstruction or perforation, and the surgical procedure. Subgroup analyses were done for patients with gastrointestinal obstruction or perforation. RESULTS: Of the 349 included patients, 281 (80.5%) experienced at least one complication. The risk of death was 20.6% (14) for patients with no complications and varied between 21 and 57% for patients with complications. Renal impairment (hazard ratio (HR): 6.8 (95%CI: 3.7-12.4)), arterial thromboembolic events (HR 4.8 (2.3-9.9)), and atrial fibrillation (HR 4.4 (2.8-6.8)) showed the strongest association with 90-day mortality. Atrial fibrillation was the only complication significantly associated with death in patients with gastrointestinal obstruction as well as perforation. CONCLUSION: This study of patients undergoing emergency gastrointestinal surgery revealed that renal impairment, arterial thromboembolic events, and atrial fibrillation had the strongest association with death. Atrial fibrillation may serve as an in-situ marker of patients needing escalation of care.
PURPOSE: Emergency gastrointestinal surgery is followed by a high risk of major complications and death. This study aimed to investigate which complications showed the strongest association with death following emergency surgery for gastrointestinal obstruction or perforation. METHODS: We retrospectively included adults who had undergone emergency gastrointestinal surgery for radiologically verified obstruction or perforation at three Danish hospitals between 2014 and 2015. The exposure variables comprised 16 predefined Clavien-Dindo-graded complications. Cox regression with delayed entry was used to analyze the association of these complications with 90-day mortality. We adjusted for hospital, age, American Society of Anesthesiologists classification, pre-operative Sepsis-2 score, cardiac comorbidity, renal comorbidity, hypertension, active cancer, bowel obstruction or perforation, and the surgical procedure. Subgroup analyses were done for patients with gastrointestinal obstruction or perforation. RESULTS: Of the 349 included patients, 281 (80.5%) experienced at least one complication. The risk of death was 20.6% (14) for patients with no complications and varied between 21 and 57% for patients with complications. Renal impairment (hazard ratio (HR): 6.8 (95%CI: 3.7-12.4)), arterial thromboembolic events (HR 4.8 (2.3-9.9)), and atrial fibrillation (HR 4.4 (2.8-6.8)) showed the strongest association with 90-day mortality. Atrial fibrillation was the only complication significantly associated with death in patients with gastrointestinal obstruction as well as perforation. CONCLUSION: This study of patients undergoing emergency gastrointestinal surgery revealed that renal impairment, arterial thromboembolic events, and atrial fibrillation had the strongest association with death. Atrial fibrillation may serve as an in-situ marker of patients needing escalation of care.
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