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find Author "DINGZhihui" 1 results
  • NEW ANTEROLATERAL APPROACH OF DISTAL FEMUR FOR TREATMENT OF TYPE C DISTAL FEMORAL FRACTURES

    ObjectiveTo study the effectiveness of a new anterolateral approach of distal femur in the treatment of type C distal femoral fractures by comparing with traditional lateral and anterolateral approaches. MethodsThe clinical data of 51 patients with type C distal femoral fractures treated between January 2008 and August 2011 were retrospectively analyzed. Of 51 patients, 24 patients received the new anterolateral approach of distal femur combined with fixation of condylar buttress plate (modified group), and 27 patients underwent traditional lateral or anterolateral approach combined with fixation of condylar buttress plate (traditional group). There was no significant difference in gender, age, injury cause, American Society of Anesthesiologist (ASA) classification, side, fracture type, complication, and the time from injury to operation between 2 groups (P>0.05). The operation time, intraoperative blood loss, frequency of intraoperative fluoroscopy, hospitalization time, fracture healing time, and Hospital for Special Surgery (HSS) scores of the knee at 3, 6, and 12 months were recorded. ResultsThe operation was successfully completed and the incision healed by first intention in all patients. The operation time and frequency of intraoperative fluoroscopy of modified group were significantly less than those of traditional group (P<0.05). But the intraoperative blood loss and the hospitalization time showed no significant difference between 2 groups (P>0.05). All patients were followed up 12-37 months (mean, 21.3 months). X-ray films showed all fractures were union. The fracture healing time was (12.92±2.24) weeks in the modified group and (13.24±2.52) weeks in the traditional group, showing no significant difference (t=0.476, P=0.637). The knee HSS scores of modified group were significantly higher than those of traditional group at 3, 6, and 12 months after operation (P<0.05). There was no significant difference in the incidence of knee varus or valgus, leg length discrepancy, internal fixator loosening, flexing dysfunction of knee, traumatic arthritis of knee, and total complications between 2 groups (P>0.05). ConclusionComparing with traditional lateral and anterolateral approaches, using the new anterolateral approach to treat type C distal femoral fractures has the advantages of less damage to soft tissue, excellent exposure, less operation time, and frequency of intraoperative fluoroscopy, and better postoperative rehabilitation of knee joint.

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