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  • Title: [Mini-invasive distraction technique for treatment of severe ankle and foot deformities secondary to ischemic contracture of the leg].
    Author: Qin SH, Sun L, Zheng XJ.
    Journal: Zhonghua Wai Ke Za Zhi; 2006 Apr 15; 44(8):547-50. PubMed ID: 16784635.
    Abstract:
    OBJECTIVE: To explore the Ilizarov mini-invasive distraction technique for the treatment of severer ankle and foot deformities secondary to ischemic contracture of the leg. METHODS: Based on the tension-stress low of Ilizarov, a serial of adjustable three dimensions external distractive instrument was developed in our department. From April 2002 to March 2004, 8 patients with ankle and foot deformities secondary to ischemic contracture of the leg induced by trauma and fracture were treated with the distractive instrument. Of them, 4 patient were male and 4 female, aged from 13 to 31 years with an average of 23 years. Five affected legs were in the left and 3 in the right. Preoperative abnormal style included talipes equines in 6 feet and equinovarus in 2 feet, with extensive scar contracture in the legs. Five patients suffered from failure of soft tissue release before, two patients with severe bony deformity of the feet were underwent limited foot triple osteotomy in this department before the distractive correction. The distraction was begun from 7 d after operation and distractive time from 29 to 60 d with an average 46 d. RESULTS: All of the 8 patients were followed up from 10 months to 29 months, with an average of 13 months. All of deformities in the feet were corrected satisfactorily, full feet contacted with the ground in stand or walking and achieved with good function. No complication, such as pin tract infection, skin necrosis and neurovascular injury was occurred in this group. CONCLUSIONS: Mini-invasive distraction technique for treatment of severe ankle and foot deformity secondary to ischemic contracture of the leg is safe and mini-injury, it is also an effective approach for the treatment of various kinds of rigid foot anomaly.
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