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Total hip arthroplasty improves pain and function but not physical activity

Jeldi, AJ; Deakin, AH; Allen, D; Granat, MH; Grant, M; Stansfield, B

Total hip arthroplasty improves pain and function but not physical activity Thumbnail


Authors

AJ Jeldi

AH Deakin

D Allen

M Grant

B Stansfield



Abstract

Background:
People with hip osteoarthritis are likely to limit physical activity (PA) engagement due to
pain and lack of function. Total hip arthroplasty (THA) reduces pain and improves function,
potentially allowing increased PA. PA of THA patients was quantified to 12m post-operation.
The hypothesis was that post-operatively levels of PA would increase.
Methods:
PA of 30 THA patients (67±7 years) was objectively measured pre-operatively and three and
12 months post-operation. Harris Hip Score (HHS), Oxford Hip Score (OHS) and six minute
walk test (6MWT) were recorded. Mixed linear modelling was used to examine
relationships of outcomes with time, baseline BMI, age, gender and baseline HHS.
Results:
Time was not a significant factor in predicting volume measures of PA, including sit-to-stand
transitions, upright time and steps. Notably baseline BMI was a significant predictor of
upright time, steps, largest number of steps in an upright bout, HHS and 6MWT. Baseline
HHS helped predict longest upright bout, cadence of walking bouts >60s and OHS. The
significant effect of participant as a random intercept in the model for PA outcomes
suggested habituation from pre- to post-surgery.
Conclusions:
Volume measures of PA did not change from pre- to 12m post-surgery despite improvement
in HHS, OHS and 6MWT. Baseline BMI was a more important predictor of upright activity
and stepping than time. Pre- and post-operative PA promotion could be used to modify
apparently habitual low levels of PA to enable full health benefits of THA to be gained.

Citation

Jeldi, A., Deakin, A., Allen, D., Granat, M., Grant, M., & Stansfield, B. (2017). Total hip arthroplasty improves pain and function but not physical activity. Journal of Arthroplasty, 32(7), 2191-2198. https://doi.org/10.1016/j.arth.2017.02.002

Journal Article Type Article
Acceptance Date Jan 7, 2017
Online Publication Date Feb 10, 2017
Publication Date Jul 1, 2017
Deposit Date Feb 6, 2017
Publicly Available Date Feb 10, 2018
Journal The Journal of Arthroplasty
Print ISSN 0883-5403
Electronic ISSN 1532-8406
Publisher Elsevier
Volume 32
Issue 7
Pages 2191-2198
DOI https://doi.org/10.1016/j.arth.2017.02.002
Publisher URL http://dx.doi.org/10.1016/j.arth.2017.02.002
Related Public URLs https://www.journals.elsevier.com/journal-of-arthroplasty/

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