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Conversion from Band to Bypass in Two Steps Reduces the Risk for Anastomotic Strictures

Obesity Surgery volume 21, pages 501–505 (2011)Cite this article

Abstract

Background

Morbidity after converting failed laparoscopic adjustable gastric banding (LAGB) to laparoscopic Roux-en-Y gastric bypass (LRYGB) is three- to fivefold higher than after primary LRYGB. Allowing a time interval between band removal and actual gastric bypass might reduce local inflammation and reduce morbidity.

Methods

This study is a retrospective single-center study of patients who needed conversion to LRYGB because of failed LAGB. Outcomes after conversion of LAGB to LRYGB in one or two steps were compared.

Results

Between October 2008 and June 2010, 23 patients had a conversion in one step (group A) while, in 14 patients, the conversion was carried out at least 2 months after band removal (group B). The mean duration of surgery in group A was 150 ± 39 min while it took 181 ± 39 min to complete both steps in group B (p = 0.02). Length of stay in group A was 3 (3–8) days, but was 5 (4–8) days for the two steps in group B (p = 0.004). During a follow-up of 6–23 months, one pulmonary embolism, one epigastric artery bleeding, and three anastomotic strictures occurred in group A, while no complications were observed in group B. The BMI dropped from 41.4 ± 6.7 to 28.7 ± 10.8 kg/m2 in group A and from 43.8 ± 5.8 to 35.3 ± 7.55 kg/m2 in group B.

Conclusions

Operating time and hospital stay are increased when conversion is performed in two steps, but, in this small series, this strategy decreased morbidity and more specifically the rate of anastomotic strictures.

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Conflict of interest

The authors declare that they have no conflict of interest.

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Affiliations

  1. Department of Gastrointestinal Surgery, University Hospital Ghent, De Pintelaan 185, 9000, Ghent, Belgium

    Yves Van Nieuwenhove, Wim Ceelen, Katrien Van Renterghem, Dirk Van de Putte, Tom Henckens & Piet Pattyn

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  1. Yves Van Nieuwenhove
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  2. Wim Ceelen
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  3. Katrien Van Renterghem
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Correspondence to Yves Van Nieuwenhove.

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Van Nieuwenhove, Y., Ceelen, W., Van Renterghem, K. et al. Conversion from Band to Bypass in Two Steps Reduces the Risk for Anastomotic Strictures. OBES SURG 21, 501–505 (2011). https://doi.org/10.1007/s11695-010-0331-8

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Keywords

  • Gastric banding
  • Gastric bypass
  • Conversion
  • Stenosis
  • Two-stage