Locked intramedullary nailing for the treatment of femoral shaft fractures: experience and result in 19 cases.

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Abstract

[Indexed for MEDLINE] 4. Ulus Travma Acil Cerrahi Derg. 2009 May;15(3):256-61. Leg length discrepancies in adult femoral shaft fractures treated with intramedullary nailing. Karapinar L(1), Kaya A, Oztürk H, Altay T, Kayali C. Author information: (1)Department of Orthopedics and Traumatology, Tepecik Training and Research Hospital, Izmir, Turkey. lkarapinar@yahoo.com BACKGROUND: To evaluate the leg length discrepancy (LLD) retrospectively in adult femoral shaft fractures treated with intramedullary nailing (IMN). METHODS: Sixty-three patients (58 male, 5 female; mean age 29.9+/-12.4; range 15 to 77 years) were included in the study. Fractures were identified according to the Winquist-Hansen (W) system and AO classification. 16 W0, 18 WI, 16 WII, 7 WIII, and 6 WIV fractures and 35 type A, 22 type B, and 6 type C fractures were repaired. Thirty-one (49.2%) patients had multiple injuries. Fourteen patients sustained an open fracture. LLDs were measured on physical examination and using orthoroentgenography. RESULTS: The mean follow-up was 90.2+/-29.9 (39-193) months. The mean LLD was 12.3+/-15.2 [12-(-60)] mm using orthoroentgenography and 12.9+/-13.7 [10-(-60)] mm according to manual measurement. In seven cases, no LLD was observed. Twenty-seven shortenings and one lengthening were observed in the 28 femurs with a discrepancy greater than 10 mm (44.4%). There was no statistical correlation between LLD and open or closed fracture (r=0.02, p=0.86), polytrauma (r=-0.09, p=0.47), or delayed surgery (p=0.31), but there was a tendency to a greater discrepancy in comminuted fractures (WIII, IV) (r=0.33, p=0.007). CONCLUSION: LLD may be seen in high rates in adult femoral shaft fracture cases treated with IMN. Static IMN following absolute restoration of the length may prevent this problem in femoral diaphysis fractures, especially comminuted WIII and IV types.