✦ LIBER ✦

The influence of the position of the patellar component on tracking in total knee arthroplasty

✍ Scribed by R. G. H. H. Nelissen; L. Weidenheim; W. E. M. Mikhail

Publisher: Springer
Year: 1995
Tongue: English
Weight: 629 KB
Volume: 19
Category: Article
ISSN: 0341-2695
DOI: 10.1007/bf00185227

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✦ Synopsis

The position of the patellar component and patellofemoral symptoms were assessed in a series of 72 cemented polyethylene patellar components in total condylar arthroplasties. A small (25 mm) component was used. The minimum follow up was 2 years and maximum 3 years. A lateral retinacular release was carried out in 22 knees. Clinical results were assessed by questionnaire and 86% had no patellofemoral symptoms. The mean postoperative patellar height was not changed compared to the preoperative height. Lateral placement of the patellar component was associated with both increased medial tilt and lateral subluxation. The component should be inserted so that its centre is slightly medial to the centre of the bone.

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