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KMID : 0896720020060010066
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Journal of the Korean Society of Foot Surgery
2002 Volume.6 No. 1 p.66 ~ p.72
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Analysis of Affecting Factors of Modified Brostrom Procedure in Chronic Ankle Lateral Instability
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Lee Kyung-Tai
Lee Jeong-Hoon
Young Ki-Won
Bae Sang-Won
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Abstract
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Purpose:To evaluate the overall results and its major affecting factors(athlete/associate injury) of modified Brostrom procedure for chronic ankle lateral instability.
Materials and Methods:Fifty-one patients (51 ankles) with chronic ankle lateral instability were sub-grouped athletes and non-athletes and again sub-grouped with associated injury and without associated injury. Associated injuries were osteochondral defect(6), peroneal tendon abnormality(10), os subfibularae(4), os subtibialae(4), anterior impingement(5) and loose body(2). The overall surgical results were evaluated and also see whether or not athletes and associated injury affect the result.
Results:Or the 51 operations performed, there were 39 excellent, 8 good and 4 fair as a whole. Of the 24 athletes operated, there were 19 excellent, 3 good, and 2 fair. Among the 27 non-athletes, there were 20 excellent, 5 good and 2 fair results. The average time to ordinary life in the non-athlete group was 2.5 months and average time to sports activity in the athlete was 4.5 months postoperatively. Those who didn’t have any associated injury had all excellent result, on the contrary, those who had associated injuries, 14 excellent, 8 good and 4 fair results. All the fair results were associated with osteochondral lesion of talus. Whether or not the patients in athlete does not affect the surgical results, but whether or not there were associated injuries does affect the surgical results.
Conclusions:Modified Brostrom procedure for chronic ankle lateral instability itself is an excellent to good operation. This procedure can be used in athletic populations who need high demand of sports activity. But chronic ankle lateral instability with associated injury group showed variable, less satisfactory results than those without associated injury. Careful preoperative and intraoperative examination should be done to find out the associated injury with chronic ankle lateral instability.
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KEYWORD
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Affecting factors, Chronic ankle lateral instability, Modified Brostrom
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