Comparison of the Total Weight loss measure against the use of the percentage of excess weight lost with the ideal weight variable and the percentage of excess BMI lost to measure the surgical success of bariatric surgery

Sánchez, Ricardo Soriano; Guzmán, Rafael Sánchez; Apaez, Nestor; González, Idilio; Gutierrez, Ivette Rubio; Romero, Gilberto; Ramirez, Chirstian; Campos, Francisco Ramos

doi:10.1016/j.soard.2017.09.226

Cited by 2 publications

(1 citation statement)

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“…Our results also show a disproportionate difference between %EWL and %BMI metrics as well. According to previously published studies, this is a frequently reported phenomenon and the reason behind the election of %EWL as the primary and most trustworthy weight loss measure for bariatric patients [13][14][15]. This was also observed within our analysis regarding %TWL, for which differences between BPD and RYGB were also small.…”

Section: Discussionsupporting

confidence: 83%

Outcomes at 10-Year Follow-Up after Roux-en-Y Gastric Bypass, Biliopancreatic Diversion, and Sleeve Gastrectomy

Verras

Mulita

Pouwels

et al. 2023

JCM

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Introduction: Morbid obesity is a well-defined chronic disease, the incidence of which is constantly rising. Surgical treatment of morbid obesity has produced superior outcomes compared to conventional weight loss measures. Currently, there is a gap in the literature regarding long-term outcomes. Our single-institution, retrospective cohort study aims to evaluate weight loss outcomes, comorbidity reduction, and adverse effects at 10 years following Roux-en-Y Gastric Bypass (RYGB), Biliopancreatic Diversion (BPD), and Sleeve Gastrectomy (SG). Materials and Methods: We included all consecutive patients with 10-year follow-up records operated on within our institution. The comparison was carried out on the average percentage of weight and BMI loss. Nausea and vomiting were evaluated through self-reporting Likert scales. Diabetes resolution and nutritional deficiencies were also evaluated. Results: A total of 490 patients from 1995 up to 2011 were included in our study. Of these, 322 underwent RYGB, 58 underwent long-limb BPD, 34 underwent laparoscopic RYGB with fundus excision, 47 underwent laparoscopic SG, and 29 underwent laparoscopic RYGB as a revision of prior SG. RYGB and BPD were significantly associated with higher percentages of weight loss (37.6% and 37.5%), but were not found to be independent predictors of weight loss. Nausea and vomiting were associated with SG and laparoscopic RYGB with fundus excision, more so than the other operations. No differences were observed regarding diabetes resolution and nutritional deficiencies. Conclusions: Longer follow-up reports are important for the comparison of outcomes between different types of bariatric operations. BPD and RYGB resulted in superior weight loss, with no observed differences in diabetes resolution and adverse outcomes.

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Section: Discussionsupporting

confidence: 83%