Why the study?
Current studies mainly focus on total weight loss and comorbidity reduction, with few studies comparing quality of life after sleeve gastrectomy versus Roux-en-Y gastric bypass or against reference values.
Does primary bariatric surgery improve quality of life in obese patients compared to Dutch reference values?
Does primary bariatric surgery improve quality of life in obese patients compared to Dutch reference values?
Primary bariatric surgery significantly improves physical functioning and health change compared to the general population, though general health perception remains lower.
Answers are grounded in this paper and cite their sources.
Supports selective physical QoL gains post-bariatric surgery in observational cohorts; leaves open causality and general health perception effects.
BACKGROUND: Current studies mainly focus on total weight loss and comorbidity reduction. Only a few studies compare Quality of Life (QoL) after sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB). This study was conducted to examine the extent of improvement in QoL on different domains after primary bariatric surgery and compare these results to Dutch reference values. METHODS: The study included prospectively collected data from patients who underwent primary bariatric surgery in five Dutch hospitals. The RAND-36 questionnaire was used to measure the patient's QoL; preoperatively and twelve months postoperatively. Postoperative scores were compared to Dutch reference values, standardized for age, using t-test. A difference of more than 5% was considered a minimal important difference. A multivariate linear regression analysis was used to compare SG and RYGB on the extent of improvement, adjusted for case-mix factors. RESULTS: In total, 4864 patients completed both the pre- and postoperative questionnaire. Compared with Dutch reference values, patients postoperatively reported clinically relevant better physical functioning (RYGB + 6.8%), physical role limitations (SG + 5.6%; RYGB + 6.2%) and health change (SG + 77.1%; RYGB + 80.0%), but worse general health perception (SG - 22.8%; RYGB - 17.0%). Improvement in QoL was similar between SG and RYGB, except for physical functioning (β 2.758; p-value 0.008) and general health perception (β 2.607; p-value < 0.001) for which RYGB patients improved more. CONCLUSIONS: SG and RYGB patients achieved a better postoperative score in physical functioning, physical role limitations and health change compared to Dutch reference values, and a worse score in general health perception.
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Poelemeijer et al. (2020) studied this question.
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