Comparison of the extent to which total hip and total knee arthroplasty restore patient-reported physical function

N.A Glass; N.A Segal; J.J Callaghan; C.R Clark; N.O Noiseux; Y Gao; R Johnston

doi:10.1016/j.joca.2016.06.010

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Comparison of the extent to which total hip and total knee arthroplasty restore patient-reported physical function

Journal article

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Comparison of the extent to which total hip and total knee arthroplasty restore patient-reported physical function

N.A Glass, N.A Segal, J.J Callaghan, C.R Clark, N.O Noiseux, Y Gao and R Johnston

Osteoarthritis and cartilage, Vol.24(11), pp.1875-1882

11/2016

DOI: 10.1016/j.joca.2016.06.010

PMID: 27349459

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Abstract

To evaluate the extent to which elective total hip arthroplasty (THA) and total knee arthroplasty (TKA) for osteoarthritis (OA) restore normal patient-reported physical function in men and women. Pain and physical function (WOMAC-PF) were prospectively measured pre- and post-operatively. The relationship between surgical procedure and achieving physical function equivalent to age and sex-matched adults with no hip or knee joint problems was modeled using sex-specific logistic regression. Percent change in function was also compared between groups using sex-specific generalized linear models adjusted for age, BMI, pain, comorbid conditions, time from surgery, and subsequent surgery. Individuals with pre- and post-operative WOMAC data were classified exclusively into either THA (287M:306F) or TKA (239M:424F) groups. The median follow-up was 476 (THA) and 474 (TKA) days for men, and 495 (THA) and 526 (TKA) days for women. Main outcome: women with THA compared with TKA were more likely to achieve a normal level of postoperative PF while there were no significant differences between procedures in men. Additional analyses: we found slightly lower preoperative PF in THA compared with TKA. This difference resolved postoperatively in men, but women who underwent THA reported greater improvement and better PF than those who had TKA. In women, THA results in greater improvement in WOMAC-PF at approximately 1-year follow-up and better approximates physical function of community-dwelling older adults without OA than TKA does. In contrast, in men, a lack of between-group post-operative WOMAC-PF differences suggests that procedures result in a similar degree of improvement.

Total knee arthroplasty

Osteoarthritis

Total hip arthroplasty

Physical function

Details

Title: Subtitle: Comparison of the extent to which total hip and total knee arthroplasty restore patient-reported physical function
Creators: N.A Glass - Department of Orthopedics & Rehabilitation, The University of Iowa Hospitals & Clinics, USA
N.A Segal - Department of Rehabilitation Medicine, The University of Kansas, Kansas City, KS, USA
J.J Callaghan - Department of Orthopedics & Rehabilitation, The University of Iowa Hospitals & Clinics, USA
C.R Clark - Department of Orthopedics & Rehabilitation, The University of Iowa Hospitals & Clinics, USA
N.O Noiseux - Department of Orthopedics & Rehabilitation, The University of Iowa Hospitals & Clinics, USA
Y Gao - Department of Orthopedics & Rehabilitation, The University of Iowa Hospitals & Clinics, USA
R Johnston - Department of Orthopedics & Rehabilitation, The University of Iowa Hospitals & Clinics, USA
Resource Type: Journal article
Publication Details: Osteoarthritis and cartilage, Vol.24(11), pp.1875-1882
Publisher: Elsevier Ltd
DOI: 10.1016/j.joca.2016.06.010
PMID: 27349459
ISSN: 1063-4584
eISSN: 1522-9653
Language: English
Date published: 11/2016
Academic Unit: Roy J. Carver Department of Biomedical Engineering; Epidemiology; Orthopedics and Rehabilitation; Internal Medicine
Record Identifier: 9984040390102771

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