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Angenete E, Jacobsson A, Gellerstedt M, Haglind E. Effect of Laparoscopy on the Risk of Small-Bowel Obstruction: A Population-Based Register Study. Arch Surg. 2012;147(4):359–365. doi:10.1001/archsurg.2012.31
Author Affiliations: Scandinavian Surgical Outcomes Research Group, Gothenburg (Drs Angenete, Gellerstedt, and Haglind); Department of Surgery, Sahlgrenska University Hospital/Östra, University of Gothenburg, Gothenburg (Drs Angenete and Haglind); and Swedish National Board of Health and Welfare, Stockholm (Mr Jacobsson), Sweden.
Objective To investigate the incidence and risk factors for small-bowel obstruction (SBO) after certain surgical procedures.
Design A population-based retrospective register study.
Setting Small-bowel obstruction causes considerable patient suffering. Risk factors for SBO have been identified, but the effect of surgical technique (open vs laparoscopic) on the incidence of SBO has not been fully elucidated.
Patients The Inpatient Register held by the Swedish National Board of Health and Welfare was used. The hospital discharge diagnoses and registered performed surgical procedures identified data for cholecystectomy, hysterectomy, salpingo-oophorectomy, bowel resection, anterior resection, abdominoperineal resection, rectopexy, appendectomy, and bariatric surgery performed from January 1, 2002, through December 31, 2004. Data on demographic characteristics, comorbidity, previous abdominal surgery, and death were collected.
Main Outcome Measures Episodes of hospital stay and surgery for SBO within 5 years after the index surgery.
Results A total of 108 141 patients were included. The incidence of SBO ranged from 0.4% to 13.9%. Multivariate analysis revealed age, previous surgery, comorbidity, and surgical technique to be risk factors for SBO. Laparoscopy exceeded other risk factors in reduction of the risk of SBO for most of the surgical procedures.
Conclusions Open surgery seems to increase the risk of SBO at least 4 times compared with laparoscopy for most of the abdominal surgical procedures studied. Other factors such as age, previous abdominal surgery, and comorbidity are also of importance.
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