Activity levels and polyethylene wear of patients 10 years post hip replacement

D. Bennett; L. Humphreys; S. O'Brien; C. Kelly; John Orr; D. Beverland

doi:10.1016/j.clinbiomech.2007.12.006

Activity levels and polyethylene wear of patients 10 years post hip replacement

D. Bennett, L. Humphreys, S. O'Brien, C. Kelly, John Orr, D. Beverland

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

Background
Wear of the acetabular cup and implant loosening in total hip arthroplasty are thought to be affected by individual patient activity levels.

Methods
Activity levels of 100 patients with unilateral primary hip replacements were measured using a digital pedometer 10-years post-operatively.

Findings
Activity rates of hip replacement patients 10 years post surgery were found to fall with increasing age strata, with the age group 70–74 years showing significantly reduced activity rates compared to the 55–64 years age group and the age group greater than 80 years showing significantly reduced activity rates compared to both the 55–64 years age group and the 65–69 years age group. However, a clear correlation between age and activity was not found. Acetabular cup wear showed no relationship with patient activity levels.

Interpretation
Progressive reduction in activity levels with more elderly hip replacement patients may inform long term planning of hip arthroplasty and implant choice.

Original language	English
Pages (from-to)	571-576
Number of pages	6
Journal	Clinical Biomechanics
Volume	23
Issue number	5
Early online date	05 Feb 2008
DOIs	https://doi.org/10.1016/j.clinbiomech.2007.12.006
Publication status	Published - Jun 2008

ASJC Scopus subject areas

Orthopedics and Sports Medicine

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title = "Activity levels and polyethylene wear of patients 10 years post hip replacement",

abstract = "Background Wear of the acetabular cup and implant loosening in total hip arthroplasty are thought to be affected by individual patient activity levels. Methods Activity levels of 100 patients with unilateral primary hip replacements were measured using a digital pedometer 10-years post-operatively. Findings Activity rates of hip replacement patients 10 years post surgery were found to fall with increasing age strata, with the age group 70–74 years showing significantly reduced activity rates compared to the 55–64 years age group and the age group greater than 80 years showing significantly reduced activity rates compared to both the 55–64 years age group and the 65–69 years age group. However, a clear correlation between age and activity was not found. Acetabular cup wear showed no relationship with patient activity levels. Interpretation Progressive reduction in activity levels with more elderly hip replacement patients may inform long term planning of hip arthroplasty and implant choice.",

author = "D. Bennett and L. Humphreys and S. O'Brien and C. Kelly and John Orr and D. Beverland",

year = "2008",

month = jun,

doi = "10.1016/j.clinbiomech.2007.12.006",

language = "English",

volume = "23",

pages = "571--576",

journal = "Clinical Biomechanics",

publisher = "Elsevier Ltd",

number = "5",

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TY - JOUR

T1 - Activity levels and polyethylene wear of patients 10 years post hip replacement

AU - Bennett, D.

AU - Humphreys, L.

AU - O'Brien, S.

AU - Kelly, C.

AU - Orr, John

AU - Beverland, D.

PY - 2008/6

Y1 - 2008/6

N2 - Background Wear of the acetabular cup and implant loosening in total hip arthroplasty are thought to be affected by individual patient activity levels. Methods Activity levels of 100 patients with unilateral primary hip replacements were measured using a digital pedometer 10-years post-operatively. Findings Activity rates of hip replacement patients 10 years post surgery were found to fall with increasing age strata, with the age group 70–74 years showing significantly reduced activity rates compared to the 55–64 years age group and the age group greater than 80 years showing significantly reduced activity rates compared to both the 55–64 years age group and the 65–69 years age group. However, a clear correlation between age and activity was not found. Acetabular cup wear showed no relationship with patient activity levels. Interpretation Progressive reduction in activity levels with more elderly hip replacement patients may inform long term planning of hip arthroplasty and implant choice.

AB - Background Wear of the acetabular cup and implant loosening in total hip arthroplasty are thought to be affected by individual patient activity levels. Methods Activity levels of 100 patients with unilateral primary hip replacements were measured using a digital pedometer 10-years post-operatively. Findings Activity rates of hip replacement patients 10 years post surgery were found to fall with increasing age strata, with the age group 70–74 years showing significantly reduced activity rates compared to the 55–64 years age group and the age group greater than 80 years showing significantly reduced activity rates compared to both the 55–64 years age group and the 65–69 years age group. However, a clear correlation between age and activity was not found. Acetabular cup wear showed no relationship with patient activity levels. Interpretation Progressive reduction in activity levels with more elderly hip replacement patients may inform long term planning of hip arthroplasty and implant choice.

U2 - 10.1016/j.clinbiomech.2007.12.006

DO - 10.1016/j.clinbiomech.2007.12.006

M3 - Article

VL - 23

SP - 571

EP - 576

JO - Clinical Biomechanics

JF - Clinical Biomechanics

IS - 5

ER -

Activity levels and polyethylene wear of patients 10 years post hip replacement

Abstract

ASJC Scopus subject areas

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