Primary shortening plus secondary lengthening of the tibia for sever tibial fractures

Abstract

Objective To evaluate clinical results of primary shortening plus secondary lengthening of the tibia for sever tibial fractures. Methods From May 2006 to August 2009, 5 men with severe open tibial fracture were treated with primary shortening plus secondary lengthening of the tibia in our center. They were aged from 23 to 41 years (average, 35 years) . Four cases were Gustilo type MB and one was Gustilo type M C. The primary procedure included debridement, shortening of the tibia and temporary fixation with a unilateral external fixator, and arterial anastomosis in cases of vessel injury. The wounds healed primarily in one case, after skin graft in 2 cases, and after flap transplantation in 2 cases. After wound healing, secondary lengthening of the tibia was performed following osteotomy of the proximal tibia with an Ilizarov fixator to restore the length of the injured leg. The average shortening was 4. 2 cm (range, 3 to 5 cm). Results The average follow-up period was 20 months (range, 18 to 24 months). All the wounds were healed without signs of osteomyelitis. All the fractures united. The mean bone healing time was 9. 6 months (range, 6 to 12. 5 months) . The average healing index was 1. 7 months/cm. A normal length was restored in all the affected lower limbs. By Paley functional assessment system, 3 cases were excellent, one was good and one was fair. Conclusion Primary shortening plus secondary lengthening of the tibia is a reliable and successful method for sever tibial fractures, because it can simplify management and minimize the need for flap coverage. Key words: Tibia;  Fractures;  Bone defect;  Shortening

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