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HYBRID EXTERNAL FIXATION IN THE TREATMENT OF PILON FRACTURES

7th Congress of the European Federation of National Associations of Orthopaedics and Traumatology, Lisbon - 4-7 June, 2005



Abstract

Objective: To evaluate retrospectivelly the outcome of periarticular tibial pilon fractures treated by hybrid external fixation.

Method: Between 1999–2003, 44 patients(44 fractures) were treated with a combination of hybrid external fixation and minimal internal fixation(k-wires or lag-screws). There were 31 men and 13 women with a mean age of 41 years. A high energy trauma( accident or fall from a height) was the mechanism of injury for 32(73%) patients. According with A.O. clasiffication 4 fractures were A1, 5-A2, 5-A3, 8-C1, 12-C2,10-C3. All fractures were treated within a 10 days from the initial injury (10(23%) of them were open and treated immediately). The use of bone grafts reguired in 8 cases. Primary postop mobilization of adjacent joints was performed in all cases. Fourty patients were available for clinical and radiographic evaluation(using Teeny’s and Wiss ancle score). The average follow-up was 26 months.

Results: There were 9(23%) excellent, 12(30%) good, 10(25%) fair, and 9(23%) poor results. Union achieved in 40(92%) cases. Overall, 12(30%) complications reported: 6 pin track infections, 2 deep infections, 4 non-unions and 1 malunion. Post-traumatic osteoarthritis noticed in 11(28%) cases.

Conclusions: Hybrid external fixation permits early mobilization of the ankle joint and decrease the soft tissue trauma. Poor results associated with the presence of infection, the degree of intraarticular involvement and the inability to achieve adeguate fracture reduction.

Theses abstracts were prepared by Professor Roger Lemaire. Correspondence should be addressed to EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.