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Surg Obes Relat Dis. 2013 May-Jun;9(3):395-7. doi: 10.1016/j.soard.2012.09.009. Epub 2012 Oct 3.

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

Author information

1
Department of Surgery and the Obesity Clinic, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, Tlalpan, Mexico.

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.

PMID:
23260801
DOI:
10.1016/j.soard.2012.09.009
[Indexed for MEDLINE]

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