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Ann Surg. 2011 Dec;254(6):860-5. doi: 10.1097/SLA.0b013e31822f2101.

The use, safety and cost of bariatric surgery before and after Medicare's national coverage decision.

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  • 1University of Washington Schools of Medicine, Pharmacy and Public Health, Seattle, WA, USA. daveflum@u.washington.edu

Abstract

OBJECTIVE:

To determine the impact of the Centers for Medicare and Medicaid Services' (CMS) bariatric surgery national coverage decision (NCD) on the use, safety, and cost of care CMS beneficiaries.

BACKGROUND:

In February 2006, the CMS issued a NCD restricting reimbursement for bariatric surgery to accredited centers and including coverage for laparoscopic adjustable gastric band (LAGB).

METHODS:

A pre/postinterrupted time-series cohort study using nationwide Medicare data (2004-2008) evaluating rates of bariatric procedures/100,000 enrollees, 90-day mortality, readmission rate and payments.

RESULTS:

Forty-seven thousand thirty patients underwent procedures at 928 sites pre-NCD and 662 post-NCD. The procedure rate/100,000 patients dropped after the NCD to 17.8 (from 21.9 in 2005) increasing to 23.8 and 29.1 in 2007 and 2008, respectively. Open roux-en-y gastric bypass (ORYGB) and laparoscopic roux-en-y gastric bypass (LRYGB) were common pre-NCD (56.0% ORYGB, 35.5% LRYGB) changing post-NCD with LAGB inclusion (12.8% ORYGB, 48.7% LRYGB, 36.7% LAGB). 90-day mortality pre-NCD was 1.5% (1.8% ORYGB, 1.1% LRYGB) and post-NCD was 0.7% (1.7% ORYGB, 0.8% LRYGB, 0.3% LAGB; P < 0.001). The 90-day rates of readmission decreased post-NCD (19.9% to 15.4%), reoperation (3.2% to 2.1%) and payments ($24,363 to $19,746; P for all <0.001). Differences in outcome and cost were largely explained by a shift in procedure type and patient characteristics.

CONCLUSIONS:

The NCD was associated with a temporary reduction in procedure rate and a shift in types of procedures and patients undergoing bariatric surgery. It was associated with a significant decrease in the risk of death, complications, readmissions, and per patient payments.

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PMID:
21975317
[PubMed - indexed for MEDLINE]
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