Total knee arthroplasty volume, utilization, and outcomes among Medicare beneficiaries, 1991-2010.

ABSTRACT:

Context

Total knee arthroplasty (TKA) is one of the most common and costly surgical procedures performed in the United States.

Objective

To examine longitudinal trends in volume, utilization, and outcomes for primary and revision TKA between 1991 and 2010 in the US Medicare population.

Design, setting, and participants

Observational cohort of 3,271,851 patients (aged ≥65 years) who underwent primary TKA and 318 563 who underwent revision TKA identified in Medicare Part A data files.

Main outcome measures

We examined changes in primary and revision TKA volume, per capita utilization, hospital length of stay (LOS), readmission rates, and adverse outcomes.

Results

Between 1991 and 2010 annual primary TKA volume increased 161.5% from 93,230 to 243,802 while

SUBMITTER: Cram P 

PROVIDER: S-EPMC4169369 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature