MIPPO Technique using DCS in Comminuted Fracture of the Distal Femur

Lee, Beom Koo; Eom, Gi Serk; Sim, Jae Ang

Abstract

PURPOSE
To evaluate the advantages of transarticular reconstruction and fixation by MIPPO (Minimally Invasive Percutaneous Plate Osteosynthesis) using DCS in comminuted fractures of the distal femur. MATERIALS AND METHODS: From February, 1998 to August, 2000, we experienced 23 cases of comminuted fractures of the distal femur, which were treated by MIPPO and lateral parapatellar arthrotomy in most cases. The follow up period was minimally 12 months. Clinical results were evaluated using Neer scores, radiographic results and the presence of clinical complications. RESULTS: According to the Neer scores, 18 cases (78.3%) showed satisfactory results and 5 cases (21.7%) unsatisfactory results. The average period until radiographic union was 16 weeks (range 11-20 weeks). As for alignment measured using the tibiofemoral angle, 2 cases showed valgus deformity and no posterior angulation was present over 10dgrees. As for complications, 1 case showed a leg length discrepancy of 2 cm and 5 cases showed delayed union, which showed a gap radiographically between the bone fragment at the site of the fracture, and callus formation on ultrasound, but which did not need a bone graft. The radiographic union was achieved at the final follow-up. CONCLUSIONS: In the case of comminuted fractures of the distal femur, transarticular reconstruction and fixation by the MIPPO technique using DCS could reduce complications including non-union and infection.