Arthroscopic Evaluation of Cartilage Regeneration After Opening-wedge High Tibial Osteotomy

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Osteoarthritis is a degenerative joint disease characterized by erosion of the articular cartilage, hypertrophy of the bone at the margins and subchondral sclerosis. Osteoarthritis of the knee is a common problem causing significant knee pain and disability. Medial compartment osteoarthritis is pred...

Osteoarthritis is a degenerative joint disease characterized by erosion of the articular cartilage, hypertrophy of the bone at the margins and subchondral sclerosis. Osteoarthritis of the knee is a common problem causing significant knee pain and disability. Medial compartment osteoarthritis is predisposed to by varus deformity of the knee. High tibial osteotomy is a well-established method for treatment of medial unicompartmental knee osteoarthritis and correction of varus deformity. It is a joint preserving procedure especially preferred in young patients for whom arthroplasty is not desirable. The procedure promotes regeneration by causing lateral shift of the weight-bearing axis, thus decreasing load on the medial compartment and widening the medial joint space. The methods for ?igh tibial osteotomy include opening-wedge osteotomy and closed wedge osteotomy. An opening-wedge osteotomy has become increasingly popular compared to the other technique. One of the disadvantages of this technique is that the plate is placed subcutaneously on the medial aspect of the proximal tibia. Many of the patients complains of irritation through the plate and wish metal removal after healing of the osteotomy. Few papers assessed regeneration of the articular cartilage after medial opening-wedge osteotomy.

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