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Trends in utilization of bariatric surgery, 2009–2012

Abstract

Background

Utilization of bariatric surgery has changed dramatically over the past two decades. The aim of this study was to update the trends in volume and procedural type of bariatric surgery in the USA. Data were derived from the National Inpatient Sample from 2009 through 2012.

Methods

We used ICD-9 diagnosis and procedural codes to identify all hospitalizations during which a bariatric procedure was performed for the treatment of severe obesity. The data were reviewed for patient demographics and characteristics, annual number of bariatric operations, and specific procedural types and proportion of laparoscopic cases. The US Census data were used to calculate the population-based annual rate of bariatric surgery per 100,000 adults.

Results

Between 2009 and 2012, the number of inpatient bariatric operations ranged between 81,005 and 114,780 cases annually. During this time period, the annual rate of bariatric procedures was highest for 2012 at 47.3 procedures per 100,000 adults. The bariatric surgery approach most commonly performed continues to be laparoscopic, ranging between 93.1 and 97.1 %. In 2012, there was a precipitous reduction in the number of gastric bypass and gastric banding operations and replaced by an increase in the number of sleeve gastrectomy operation. The in-hospital mortality rate remains low, ranging from 0.07 to 0.10 %.

Conclusions

In the USA, the annual volume of inpatient bariatric surgery continues to be stable. Utilization of the laparoscopic approach to bariatric surgery remains high, while the in-hospital mortality continues to be low at ≤0.10 % throughout the 4-year period.

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Correspondence to Ninh T. Nguyen.

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Disclosure

Drs. Ninh T. Nguyen, Natalia Bodunova, and Michael J. Phelan have no conflicts of interest or financial ties to disclose. Stephen Vu and Eric Kim have no conflicts of interest or financial ties to disclose.

Additional information

The information contained in this article was based on the National Inpatient Sample database, sponsored by the Agency for Healthcare Research and Quality.

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Nguyen, N.T., Vu, S., Kim, E. et al. Trends in utilization of bariatric surgery, 2009–2012. Surg Endosc 30, 2723–2727 (2016). https://doi.org/10.1007/s00464-015-4535-9

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Keywords

  • Bariatric surgery
  • Trends
  • Laparoscopy
  • Outcomes