2016
DOI: 10.1007/s11695-015-2022-y
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Total Weight Loss as the Outcome Measure of Choice After Roux-en-Y Gastric Bypass

Abstract: The results of our study confirm that %TWL should be the metric of choice when reporting WL because it is less influenced by preoperative BMI. Eleven percent of patients failed to achieve successful WL during the in the first year after RYGB based on our definition.

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Cited by 143 publications
(80 citation statements)
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“…Preoperative BMI was positively related to weight regain when definitions were based on changes in BMI, %EWL, and kilograms. Recent studies have also shown that weight loss measures based on %EWL or BMI are influenced by preoperative BMI, and this study confirms that these measures are less suitable for comparing patients [32][33][34][35].…”
Section: Discussionsupporting
confidence: 76%
See 1 more Smart Citation
“…Preoperative BMI was positively related to weight regain when definitions were based on changes in BMI, %EWL, and kilograms. Recent studies have also shown that weight loss measures based on %EWL or BMI are influenced by preoperative BMI, and this study confirms that these measures are less suitable for comparing patients [32][33][34][35].…”
Section: Discussionsupporting
confidence: 76%
“…In one of the previous studies, a continuous measure that was quantified as a percentage of maximum weight lost performed best on association with clinical outcomes [8]. This is in line with the fact that measures based on kilograms, BMI, or %EWL are not suitable to compare patients with different BMI [32,34]. A measure reflecting a percentage of total weight loss or regain would, therefore, be more suitable, especially since percentage of total weight loss is now the measurement of choice when reporting weight loss after bariatric surgery [24].…”
Section: Discussionmentioning
confidence: 65%
“…Other underlying factors such as genetic background have emerged as potentially relevant for bariatric surgery outcomes (5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15). Studies reporting on the impact of genetic makeup on postsurgery weight loss have generated variable results, depending on the type of surgery (14,15) or the statistical methods used to evaluate weight loss (5,6,8,9) and the genetic variants analyzed (10)(11)(12)(13).…”
Section: Introductionmentioning
confidence: 99%
“…En pérdida de peso, si entendemos por fracaso un PSP menor del 50%, con las limitaciones de tiempo existentes de corto plazo, en esta situación tenemos un 11%, una cifra similar a otros trabajos (187).…”
Section: Calidad De Vidaunclassified