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Acta Orthop. 2011 Oct;82(5):545-52. doi: 10.3109/17453674.2011.618907. Epub 2011 Sep 6.

Complications after hip arthroplasty and the association with hospital procedure volume.

Author information

  • 1Dutch Health Care Inspectorate, the Hague. lm.d.vries@igz.nl

Abstract

BACKGROUND AND PURPOSE:

It has been suggested that a higher procedure volume is associated with less complications after hip arthroplasty. In order to investigate the incidence of serious negative outcomes and a possible association with procedure volume, we performed a retrospective nationwide cohort study on total hip replacements in all Dutch hospitals.

METHODS:

All total hip replacements (n = 50,080) that were identified as primary intervention in all general and university medical centers between January 1, 2002 and October 1, 2004 were included. Primary endpoints of follow-up were mortality and complications during admission, and re-admission within 3 months due to complications. Variables that were assessed as potential risk factor were age, sex, duration of (preoperative) admission, specific diagnosis, acute/non-planned admission, co-morbidity, and hospital procedure volume.

RESULTS:

Age, sex, and comorbidity were associated with complications and mortality. Additionally, acute admission was a risk factor for mortality but not for complications. There was no linear trend indicating that decreasing volume led to an increasing number of complications, and no statistically sginificant effect for mortality was found.

INTERPRETATION:

After adjustment for several risk factors, we found that the hospitals performing most hip procedures every year had fewer complications during index admission, but that they did not have a lower mortality than groups performing fewer procedures. The lack of a linear trend may be explained by the fact that almost all Dutch hospitals perform a high number of hip arthroplasties each year.

PMID:
21895498
[PubMed - indexed for MEDLINE]
PMCID:
PMC3242950
Free PMC Article
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