Background: A Hoffa fracture is an unstable intra-articular break that is generally treated with surgery.
Objective: To evaluate the feasibility and clinical outcomes of using a suture anchor combined with auxiliary fixation for the treatment of a lateral femoral condyle Hoffa fracture.
Methods: The study retrospectively reviewed 8 patients (5 males and 3 females) with a lateral femoral condyle Hoffa fracture who had been treated by combining a suture anchor with auxiliary fixation between January 2016 and April 2020. The mean age of patients was 37.5 years (ranging from 23 to 45). According to Letenneur's classification, there were 4 cases of type I, 2 cases of type II, and 2 cases of type III fractures. The clinical outcomes were assessed using Letenneur's functional assessment.
Results: The follow-up duration ranged between 14-24 months. All patients achieved primary healing of the incision and fracture union, as well as normal flexion and extension of the knee joint, with 7 cases showing excellent outcomes and 1 case showing a good outcome. No postoperative complications, such as fracture displacement, anchor loosening, or fracture malunion, occurred in this series.
Conclusion: Our results indicated that a suture anchor, combined with external fixation, was an effective treatment for a lateral femoral condyle Hoffa fracture. Accordingly, this procedure is worthy of wider clinical application.
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