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Journal of Bone and Joint Surgery - British Volume, Vol 74-B, Issue 4, 518-522
Copyright © 1992 by British Editorial Society of Bone and Joint Surgery

Articles

Hydroxyapatite coating of hip prostheses. Effect on migration into the femur

PO Kroon and MA Freeman

Bone and Joint Research Unit, Royal London Hospital Medical College, England.

We studied two groups of femoral hip prostheses: 43 TiAlV ridged press-fit stems, and 26 with similar stems coated with hydroxyapatite on the proximal half. At one year, radiological measurement showed a mean downward migration of 0.99 mm for the TialV prostheses and 0.12 mm for the HA-coated prostheses (p = 0.0002). Hydroxyapatite coating appeared to provide effective bio-active supplementary fixation.


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(c) British Editorial Society of Bone and Joint Surgery All Rights Reserved
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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General