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Multicenter Study
. 2022 Jun;32(6):1856-1863.
doi: 10.1007/s11695-022-06024-w. Epub 2022 Apr 2.

The Benefits of Banded over Non-banded Roux-en-Y Gastric Bypass in Patients with Morbid Obesity: a Multi-center Study

Marijn T F Jense  1   2   3 , Inge H Palm-Meinders  4 , Rochelle Sigterman-Nelissen  5 , Evert-Jan G Boerma  5   4 , Ronald S L Liem  6 , Dingeman J Swank  6 , Jan Willem M Greve  5   4   7
Affiliations
Multicenter Study

The Benefits of Banded over Non-banded Roux-en-Y Gastric Bypass in Patients with Morbid Obesity: a Multi-center Study

Marijn T F Jense et al. Obes Surg. 2022 Jun.

Abstract

Background: Roux-en-Y gastric bypass (RYGB) has proven to be an effective treatment for obesity with excellent long-term results, even though weight regain can occur. A method to improve the results of RYGB and minimize chance of weight regain is banded RYGB. Better sustained weight loss is also related to higher remission of comorbidities. The aim of this study was to evaluate the effect of banded and non-banded RYGB on long-term weight loss results and comorbidities.

Method: A retrospective comparative data study was performed. Patients who underwent a primary RYGB between July 2013 and December 2014 and followed a 5-year follow-up program in the Dutch Obesity Clinic were included. Comorbidities were assessed during screening and follow-up.

Results: The study included 375 patients with mean weight and body mass index (BMI) of 128.9 (± 21.2) kg and 44.50 (± 5.72) kg/m2. Of this group, 184 patients underwent RYGB and 191 banded RYGB. During follow-up (3 months, 1-5 years) % Total Weight Loss (%TWL) was superior in the banded group (32.6% vs 27.6% at 5 years post-operative, p < 0.001). Complication rates in both groups were similar. Comorbidity improvement or remission did not significantly differ between the two groups (p = 0.14-1.00). After 5 years of follow-up, 79 patients (20.5%) were lost to follow-up.

Conclusion: Banded RYGB does show superior weight loss compared to non-banded RYGB. No difference in effect on comorbidity improvement or remission was observed. Since complication rates are similar, while weight loss is significantly greater, we recommend performing banded RYGB over non-banded RYGB.

Keywords: Banded gastric bypass; Bariatric surgery; Gastric bypass; Obesity; Roux-en-Y gastric bypass; Silicone banding; Weight loss.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Boxplot %TWL over 5-year follow-up. P value calculated with Mann–Whitney U test. *significant result with a cut off point of 0.05
Fig. 2
Fig. 2
Boxplot %EWL over 5-year follow-up. P value calculated with Mann–Whitney U test. *significant result with a cutoff point of 0.05
See this image and copyright information in PMC

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