• Vivek Trikha, Saubhik Das, Sahil Gaba, and Prabhat Agrawal.
• JPN Apex Trauma Centre, All India Institute of Medical Sciences (AIIMS), New Delhi, India.
• J Orthop Surg (Hong Kong). 2017 May 1; 25 (2): 2309499017718928.

PurposeHoffa fractures are uncommon intra-articular fractures of femoral condyle in coronal plane. The purpose of our study is to assess radiologic and functional outcome in operatively treated Hoffa fractures.MethodsWe retrospectively reviewed 32 patients of isolated Hoffa fracture from January 2010 to March 2015. All were treated with open reduction and internal fixation using lateral approach for lateral Hoffa and medial approach for medial Hoffa fracture. Cancellous screws in lag mode and/or antiglide plate were employed for fixation in accordance with fracture anatomy. All patients were subjected to aggressive physical therapy postoperatively. Knee Society Score (KSS), International Knee Documentation Committee Score (IKDC), and Knee range of motion (ROM) were documented at final follow-up for functional evaluation.ResultsAll fractures united by mean time of 11.56 ± 1.5 weeks. No evidence of subsequent displacement or fixation failure, arthritis, Avascular necrosis (AVN) of femoral condyle was elicited in any of the patients. Documented mean KSS and mean IKDC Score at final follow-up were 83.19 ± 8.43 and 81.62± 6.95, respectively. ROM at final follow-up was ranging from 0° to mean 116.41° ± 13.98°. Complications included stiffness of the involved knee in four patients, including one patient who developed infection and had to undergo implant removal after fracture union.ConclusionOperative treatment of Hoffa fractures yields fairly good functional outcome. One must endeavor to achieve adequate intraoperative exposure and stable congruous articular reconstruction. Early aggressive physical therapy is a harbinger of optimal outcome.

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