Abstract
Purpose
To assess the result of staged minimally invasive plate osteosynthesis (MIPO) for distal tibial fracture with an open wound or injured soft tissue.
Materials and Methods
In 20 patients (mean age, 47.8 year-old) with distal tibial fractures, there were 4 type A fractures and 16 type C fractures based on the AO classification system. Eight of the 20 patients had open fractures. MIPO was performed on average 23.9 days after bridging external fixation. At the final follow-up, we assessed the radiological results of bone union and alignment. Functional results were also evaluated by measuring the degrees of ankle motion and the American Orthopedic Foot & Ankle Society (AOFAS) scores.
Results
Seventeen of 20 cases (85%) achieved primary union at an average of 21.3 weeks. There were 3 cases of nonunion requiring a bone graft. The mean AOFAS score was 88.5 (range, 67~92) and the average range of ankle motion was 49.2° (plantarflexion: 37.4°, dorsiflexion: 11.8°). Complication included 2 cases of minor mal-alignment, 1 case of claw toe and 1 case of peroneal neuropathy. Patients over the age of 60 had lower functional results. Additional factors did not affect the final results.
Figures and Tables
Table 1
*TA: Traffic accident, †AO/OTA: Arbeitsgemeinschaft für Osteosynthesefragen and orthopedic trauma association, ‡Ex-Fix: External fixator, §DMT: LCP distal medial tibia, ∥ALDT: LCP Anterolateral distal tibia plate, ¶PP-ADT: Periarticular anterolateral distal tibia plate, **ROM: Range of motion, ††AOFAS: American orthopedic foot and ankle society.
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