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Title: Activity and socket wear in the Charnley low-friction arthroplasty.
Austin Authors: Feller, J A;Kay, P R;Hodgkinson, J P;Wroblewski, B M
Affiliation: Austin Hospital, Melbourne, Australia
Issue Date: 1-Aug-1994
Publication information: The Journal of Arthroplasty; 9(4): 341-5
Abstract: A clinical study was undertaken to assess the influence of patient-related factors on wear of the socket in Charnley low-friction arthroplasty. One hundred nine arthroplasties in 79 patients were reviewed at an average of 10.3 years. A new method of activity assessment was designed and used to estimate the distance walked by each patient. This method was validated by a pedometer that recorded the time taken by each patient to walk 20 m. Activity level was related to the amount of movement at the level of the prosthetic articulation by calculating the sliding distance of a point at the center of the surface of the head of the femoral component. Wear was found to correlate with patient activity, but not with the physical characteristics of the patient or the time since operation.
Gov't Doc #: 7964763
Type: Journal Article
Subjects: Activities of Daily Living
Body Constitution
Follow-Up Studies
Hip Joint.physiology
Hip Prosthesis.standards
Middle Aged
Prosthesis Design
Prosthesis Failure
Range of Motion, Articular
Stress, Mechanical
Time Factors
Walking.statistics & numerical data
Appears in Collections:Journal articles

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