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  • Title: Posterior buttress plate with locking compression plate for Hoffa fracture.
    Author: Tetsunaga T, Sato T, Shiota N, Yoshida M, Mochizuki Y, Tetsunaga T, Teramoto A, Okazaki Y, Yamada K.
    Journal: J Orthop Sci; 2013 Sep; 18(5):798-802. PubMed ID: 23733109.
    Abstract:
    BACKGROUND: Many difficulties are associated with treating fractures of the posterior condyle of the femur (Hoffa fractures). Anatomical reduction and internal fixation are optimum for such intra-articular fractures. Some surgeons use anteroposterior screws to achieve direct stability. However, screw fixation is not adequate in some cases. To increase stability, we treat Hoffa fractures with a posterior buttress plate; we use a twisted, 1/3 tubular plate at the posterior surface and a supplementary, locking compression plate (LCP) for additional stability. METHODS: Patients who had sustained Hoffa fractures between January 2006 and March 2009 were included in this study. Patients comprised three males and two females with a mean age of 73.6 years at the time of surgery. A 3.5-mm 1/3 tubular plate was twisted and applied to the posterolateral aspect of the distal femur. This was combined with an LCP on the distal femur to achieve a rafting effect. RESULTS: All fractures were healed within 15 weeks. There were no instances of nonunion, infection, or implant removal. The mean range of motion was -3° to 121°. Four patients had no pain in the treated limb and one had mild pain on weight bearing. The average Oxford Knee Score was 44.6 points. All patients achieved satisfactory joint function and regained their walking ability with good clinical results. CONCLUSIONS: Improved stability associated with this technique enables patients to begin range-of-motion training and return to their normal activities sooner; this resulted in good outcome.
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