Ambulatory surgery centers and outpatient urologic surgery among Medicare beneficiaries.

Abstract:

OBJECTIVE:To determine the effect of an ambulatory surgery center (ASC) opening in a healthcare market on utilization and quality of outpatient urologic surgery. METHODS:This is a retrospective cohort study of Medicare beneficiaries undergoing outpatient urologic surgery from 2001 to 2010. Markets were classified into 3 groups based on ASC status (ie, those with ASCs, those without ASCs, and those where ASCs were introduced). Multiple propensity score methods adjusted for differences between markets and general linear mixed models determined the effect of ASC opening on utilization and quality, defined by mortality and hospital admission within 30 days of the index procedure. RESULTS:During the study period, 195 ASCs opened in markets previously without one. Rates of hospital-based urologic surgery in markets where ASCs were introduced declined from 221 to 214 procedures per 10,000 beneficiaries in the 4 years after baseline. In contrast, rates in the other 2 market types increased over the same period (P<.001). Rates of outpatient urologic surgery overall (ie, in the hospital and ASC) demonstrated similar growth across market types during same period (P=.56). The introduction of an ASC into a market was not associated with increases in hospital admission or mortality (P>.5). CONCLUSION:The introduction of an ASC into a healthcare market lowered rates of outpatient urologic surgery performed in the more expensive hospital setting. This redistribution was not associated with declines in quality or with greater growth in overall outpatient surgery use.

journal_name

Urology

journal_title

Urology

authors

Suskind AM,Dunn RL,Zhang Y,Hollingsworth JM,Hollenbeck BK

doi

10.1016/j.urology.2014.04.008

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

57-61

issue

1

eissn

0090-4295

issn

1527-9995

pii

S0090-4295(14)00376-8

journal_volume

84

pub_type

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