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Medial femoral trochlea flap reconstruction: Clinical outcomes and perspectives
Noor Alolabi1, Andrew J Lovy2, Alexander Y Shin3
1Hand, Wrist & Peripheral Nerve Surgery, Division of Plastic & Reconstructive Surgery, Oakville Trafalgar Memorial Hospital, 2525 Old Bronte Road, Suite 560, Oakville, ON, L6M 4J2, Canada.
Introduction:
We report our experience with use of the medial femoral trochlea (MFT) osteochondral flap for carpal applications.
Methods:
Outcomes of all patients treated with MFT flaps were reviewed. Healing, range of motion, grip strength, carpal alignment, pain, and complication data were collected.
Results:
MFT flaps were performed on seven patients with a mean age of 26.1 (range, 17-42) years. Indications included scaphoid proximal pole nonunion (n = 3), Kienböck's disease (n = 3), and Preiser's disease (n = 1). The mean follow-up was 32.3 (range, 5-70) months. Union was achieved in five patients at a mean of 12 (range 6-22) weeks. All five patients had increased grip strength and absence of pain at follow-up. There were two failures due to graft resorption.
Conclusions:
The MFT osteochondral flap is a technically challenging yet powerful tool to replace the loss of both carpal articular cartilage and adjacent bone.
