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Posterior Aspect Fracture of Tibia after Open Wedge Distal Tuberosity Osteotomy: A Case Report
Hiroya Akase1, Masashi Hirakawa1, Yu Nagashima1
1Department of Orthopaedic Surgery, Oita University, Yufu City, Oita, Japan.
Introduction:
Open wedge distal tuberosity osteotomy (OWDTO) was the surgical treatment in which tibial tuberosity was attached proximal fragment to avoid an increase in patellofemoral joint pressure. The current paper reported a case of post-operative posterior aspect fracture of the tibia as a rare complication after OWDTO.
Case Report:
A 52-year-old Asian man had been performing OWDTO for medial knee osteoarthritis. The patient was injured by the tibial posterior aspect fracture due to minor trauma 2 months after surgery. Bone union was completed by transient unloading and ultrasound therapy, but the anteroposterior screw remained in the bone due to screw breakage during removal.
Conclusion:
Post-operative posterior aspect fracture of the tibia is a complication specific to OWDTO. It is difficult to detect the fracture on X-ray; therefore, the evaluation with computed tomography is recommended. It is possible that removal of the anteroposterior screw has become difficult in the event that this fracture occurs.
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