The Incidence of Infection in Interlocking Intramedullary Nailing after Skeletal Traction of Distal Femur

Abstract

Purpose: The insertion site of K-wire for skeletal traction is proximal part of tibia or distal part of femur. However, people prefer proximal tibia over distal femur due to lower risk of infection rate when change to interlocking IM nailing is needed. We evaluated the infection rate of interlocking IM nailing. Materials and Methods: Fourty-seven patients were included in this study who underwent interlocking IM nailing due to femur shaft fracture. Traction was applied at the distal femur in 19 cases and proximal tibia in 10 cases before interlocking IM nailing. No skeletal traction was applied to the remaining 18 cases. Thirty-eight patients were male and 9 were female. The average age at the time of surgery was 36.7 years old (range, 15~17 years). The average traction period was 9.5 days (range, 3~33 days) and the average followed-up period was 17.2 months. Results: In the distal femoral traction group, 8 cases of superficial pin tract infection developed, but no case of deep infection such as osteomyelitis occurred. In the proximal tibia traction group, 2 cases of superficial pin tract infection developed, but no case of deep infection occurred. In the group that received no skeletal traction before interlocking IM nailing, no case of infection developed. Conclusion: In femur shaft fracture, the distal femoral skeletal traction followed by interlocking IM nailing of femur, compared to proximal tibia skeletal traction, did not increase the risk of deep infection such as osteomyelitis.

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