COMPARATIVE STUDY
JOURNAL ARTICLE

10-Year Outcomes After Roux-en-Y Gastric Bypass

J Hunter Mehaffey, Damien J LaPar, Kathleen C Clement, Florence E Turrentine, Michael S Miller, Peter T Hallowell, Bruce D Schirmer
Annals of Surgery 2016, 264 (1): 121-6
26720434

OBJECTIVE(S): The aim of the study was to evaluate the clinical effectiveness and long-term durability of Roux-en-Y Gastric Bypass (RYGB) at an accredited center.

BACKGROUND: Short-term data have established the effectiveness of RYGB for weight loss and comorbidity amelioration. The long-term durability of this operation remains infrequently described in the American population.

METHODS: All patients (N = 1087) undergoing RYGB at a single institution over a 20-year study period (1985-2004) were evaluated. Univariate differences in preoperative comorbidities, operative characteristics (laparoscopic vs. open), postoperative complications, annual weight loss, and current comorbidities were analyzed to establish trends and outcomes 10 years after surgery.

RESULTS: Among 1087 RYGB patients, 651 (60%) had complete 10-year follow-up, including 335 open RYGB and 316 laparoscopic RYGB. Patients undergoing open RYGB had a higher preoperative body mass index. Otherwise, preoperative characteristics were similar. Postoperative incisional hernia rates were expectedly higher in open (vs laparoscopic) RYGB (16.9% vs 4.7%; P = 0.02). Annual % reduction in excess body mass index significantly improved over time, peaking at 74% by 24 months, with a slow trend down to 52% at 10 years (all P < 0.001). Importantly, a highly significant decrease in obesity-related comorbid disease persisted at 10 years of follow-up after RYGB.

CONCLUSIONS: Roux-en-Y Gastric Bypass remains an excellent and durable operation for long-term weight loss and treatment of obesity-related comorbid disease. Laparoscopic RYGB results in highly favorable outcomes with reduced incisional hernia rates. These 10-year data help to more clearly define long-term outcomes and demonstrate outstanding reduction in comorbid disease following RYGB.

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