Background: Sleeve gastrectomy (SG) recently became the most frequently performed bariatric surgery (BS) worldwide, overtaking the long-time standard Roux-en-Y gastric bypass (RYGB). Main indications for one or the other procedure show large inter-center variations and warrant further investigations.
Objectives: The aim of this study was to identify the influencers of primary BS selection in Switzerland.
Setting: Switzerland.
Methods: Retrospective analysis of all hospitalizations in Switzerland January 1, 2011 through December 31, 2017 with anonymized data provided by the Swiss Federal Statistical Office. BS procedures were identified based on ICD-10 and national surgical codes. Statistical analyses were performed with R.
Results: During the study period 27,375 BS were performed. The annual BS caseload doubled over time, whereas inpatient complications decreased (∼-33%). RYGB was the prevailing procedure, although its annual proportion decreased from 80% to 70% over 7 years. Meanwhile, use of SG increased from 14% to 23%. Primary RYGB and SG had similar rates of inpatient mortality (∼.05%) and morbidity (8.0 versus 7.4%, P =.148), with the exception of higher ileus rates following RYGB (.7 versus .1%, P < .001). Patient-related factors favoring the indication of SG were male sex, extremes of age, and metabolic co-morbidities , while gastroesophageal reflux disease and private insurance-favored RYGB. Strikingly, differences between geographic regions outweighed patient-related factors in procedure selection: inhabitants of German- and Italian-speaking areas had higher likelihood (OR 4.6; 3.9, P < .001) to receive SG than those in French-speaking areas.
Conclusion: Geographic differences in primary BS procedure selection indicate a lack of objective rationales. Long-term risk-benefit and cost-effectiveness analyses are needed to assist evidence-based decision making.
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| http://dx.doi.org/10.1016/j.soard.2020.10.023 | DOI Listing |
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