Unicompartmental Arthroplasty with the Oxford Knee. Buy the book here.
This chapter is available from Goodfellow Publishers as a PDF.
Unicompartmental Arthroplasty with the Oxford Knee. Buy the book here.
This chapter is available from Goodfellow Publishers as a PDF.
Introduction
Lateral unicompartmental OA is a relatively rare disease said to account for about one eighth of all unicompartmental arthritis (Jamali & Scott, 2005). However, the incidence may be higher because it is a disease of flexion and is commonly missed on standing AP radiographs. To identify lateral OA reliably, either a valgus stress radiograph in 45° flexion or a Rosenberg view is necessary. The clinical results of UKA in the lateral compartment have sometimes been worse than in the medial compartment (Scott & Santore, 1981) and sometimes better (Jonsson, 1981). Some early papers reported results of series containing both medial and lateral operations as if they were essentially the same, but the normal anatomy and the pathological lesions of the two compartments are very different so the surgical techniques are different.