Long-term results of a randomized trial comparing banded versus standard laparoscopic Roux-en-Y gastric bypass.

  • Zarate X
  • Arceo-Olaiz R
  • Montalvo Hernandez J
 et al. 
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Abstract

BACKGROUND: Banded Roux-en-Y gastric bypass was designed to avoid or diminish weight regain in the long term. In 2008, we published the initial results of a pilot study design to comparatively evaluate surgical morbidity, mortality, and maximum weight loss in patients undergoing banded and unbanded laparoscopic Roux-en-Y gastric bypass (LRYGB). The present study analyzes the 5-year results. METHODS: A randomized, controlled trial was carried out in 60 morbidly obese patients who underwent LRYGB. Patients were divided in 2 groups. Half of the patients underwent the banded version of the LRYGB, and half underwent the unbanded version. The 5-year excess weight loss (EWL) and loss of body mass index (BMI) were comparatively analyzed. RESULTS: There were 58 females and 2 males with a mean preoperative BMI of 47+/-4.9 kg/m(2). A total of 21 patients with banded LRYGB and 22 with unbanded LRYGB completed 5-year follow-up. One patient died 3 years after surgery from metastatic melanoma. EWL at 5 years was 61.6%+/-19.6% versus 59.8%+/-15.9% (P = ns), and loss of BMI was 32.9%+/-5.2% versus 32.8%+/-4.3% (P = ns), respectively, for the banded and unbanded group. CONCLUSIONS: In this small study, there were no statistical differences in the EWL and the BMI lost at 5 years between the group of patients who underwent banded and unbanded LRYGB.

Author-supplied keywords

  • Adult
  • Body Mass Index
  • Female
  • Gastric Bypass
  • Gastroplasty
  • Humans
  • Laparoscopy
  • Male
  • Obesity, Morbid
  • Treatment Outcome
  • Weight Loss
  • methods
  • physiology
  • surgery

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Authors

  • Xeily Zarate

  • Ricardo Arceo-Olaiz

  • Jorge Montalvo Hernandez

  • Eduardo Garcia-Garcia

  • Juan Pablo Pantoja

  • Miguel F Herrera

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