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National trends in utilization and safety of gastric bypass, sleeve gastrectomy and conversion surgery in patients with GERD

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Abstract

Background

While some studies have reported improvement in gastro-esophageal reflux disease (GERD) symptoms after sleeve gastrectomy (SG), others have reported higher incidence of de-novo GERD, worsening of prior GERD symptoms and erosive esophagitis post SG. Furthermore, GERD unresponsive to medical management is one of the most common indications for conversion of SG to Roux-en-Y gastric bypass (RYGB). Real-world data on safety of primary SG, primary RYGB and SG to RYGB conversion for obese patients with GERD would be helpful for informing surgeons and patient procedure selection. We sought to evaluate the trends in utilization and safety of primary RYGB and primary SG for patients with GERD requiring medications, and compare the peri-operative outcomes between primary RYGB and conversion surgery from SG to RYGB for GERD using the MBSAQIP database.

Methods

A comparative analysis of post-operative outcomes within 30 days was performed for primary RYGB and primary SG after 1:1 nearest neighbor propensity score matching for patient demographics and preoperative comorbidities using the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) registry from 2015 to 2021. This was followed by comparison of peri-operative outcomes between conversion surgery from SG to RYGB for GERD and primary RYGB using MBSAQIP 2020–2021 data.

Results

Utilization of primary RYGB increased from 38% in 2015 to 45% in 2021, while primary SG decreased from 62% in 2015 to 55% in 2021 for bariatric patients with GERD. Post-operative outcomes including reoperation, reintervention, readmission, major complications, and death within 30 days were significantly higher for patients undergoing primary RYGB compared to primary SG. Increased readmissions and ED visits were seen with conversion surgery. However, there was no difference in rates of reoperation, reintervention, major complications, or death between primary RYGB and SG conversion to RYGB cohorts.

Conclusions

This data suggests that a strategy of performing a primary SG and subsequent SG-RYGB conversion for those with recalcitrant GERD symptoms is not riskier than a primary RYGB. Thus, it may be reasonable to perform SG in patients who are well informed of the risk of worsening GERD requiring additional surgical interventions. However, the impact of such staged approach (SG followed by conversion to RYGB) on long-term outcomes remains unknown.

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Authors and Affiliations

  1. Department of Surgery, Brigham and Women’s Hospital, Boston, MA, 02115, USA

    Tina Bharani, Ali Tavakkoli, Thomas Tsai, David Spector, Malcolm Robinson & Eric G. Sheu

  2. Department of Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, 19107, USA

    Tina Bharani & Talar Tatarian

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Correspondence to Tina Bharani.

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Tina Bharani, Ali Tavakkoli, Thomas Tsai, David Spector, Talar Tatarian, Malcolm Robinson and Eric Sheu have no conflicts of interest to disclose.

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Bharani, T., Tavakkoli, A., Tsai, T. et al. National trends in utilization and safety of gastric bypass, sleeve gastrectomy and conversion surgery in patients with GERD. Surg Endosc 38, 1249–1256 (2024). https://doi.org/10.1007/s00464-023-10622-9

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