Obesity Surgery

, Volume 28, Issue 4, pp 923–931 | Cite as

Health Care Institutions Volume Is Significantly Associated with Postoperative Outcomes in Bariatric Surgery

  • Laurent Brunaud
  • Stephanie Polazzi
  • Jean-Christophe Lifante
  • Lea Pascal
  • David Nocca
  • Antoine Duclos
Original Contributions

Abstract

Purpose

The volume of bariatric surgery has significantly increased over the past decade with concomitant postoperative outcomes improvement. The goal of this nationwide study was to estimate the volume-outcome relationship in bariatric surgery at the hospital level.

Materials and Methods

A cross-sectional analysis of all patients who underwent bariatric surgery procedure in France from January 2011 to December 2014 was designed. Volume-outcome relationship was analyzed using generalized estimating equations.

Results

We identified 184,332 inpatient stays for bariatric surgical procedures performed in 606 hospitals. Health care institutions performing more than 200 bariatric cases per year were significantly associated with shorter average length of stay (p < 0.001) and less frequent need for intensive or critical care unit (p = 0.003) during the index stay in comparison with lower volume institutions. Reoperations rate increased from 3.1% [95% CI, 2.8–3.3] (n = 5627) at 1 month to 4.9% [4.6–5.2] at 3 months and 8.2% [7.8–8.7] at 6 months. The risk of reoperation after gastric bypass was 1.37 times less frequent in higher volume institutions (≥ 200 inpatient stays per year, p = 0.003), while it was 1.26 times more frequent after gastric banding in higher volume institutions (p = 0.057) and was unaltered regarding sleeve gastrectomy (p = 0.819).

Conclusion

This study showed for the first time in bariatric surgery that reoperation rate after gastric bypass or sleeve significantly increased at 3 and 6 months postoperatively. Health care institutions performing more than 200 bariatric cases per year were significantly associated with improved postoperative outcomes and less frequent need for reoperation.

Keywords

Hospital volume Postoperative outcomes Bariatric surgery Laparoscopy Reoperation Obesity 

Notes

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflicts of interest.

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.CHU Nancy - Hospital Brabois Adultes, Department of Digestive, Hepato-Biliary and Endocrine Surgery, and Multidisciplinary Unit for Obesity Surgery (UMCO)Université de LorraineVandoeuvre-les-NancyFrance
  2. 2.Unité INSERM U954 « Nutrition – génétique et exposition aux risques environnementaux », Faculté de MédecineUniversité de LorraineVandoeuvre-les-NancyFrance
  3. 3.Hospices Civils de Lyon, Pôle Information Médicale Évaluation Recherche, Health Services and Performance Research LabUniversité Claude Bernard Lyon 1LyonFrance
  4. 4.Centre Hospitalier Lyon Sud, Service de Chirurgie Générale et EndocrinienneHospices Civils de LyonPierre BéniteFrance
  5. 5.CHRU Montpellier, Département de Chirurgie Digestive, Hôpital St EloiUniversité de MontpellierMontpellierFrance

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