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KMID : 0896720010050020112
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Journal of the Korean Society of Foot Surgery
2001 Volume.5 No. 2 p.112 ~ p.119
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The Evaluation of Clinical Prognostic Factors for the Surgically Treated Unstable Ankle Fractures
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Jung Hong-Geun
Yoo Moon-Jib
Kim Myung-Ho
Lee Sung-Churl
Yoo Suk-ju
Park Jin-Young
Kim Tai-won
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Abstract
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Purpose:The purpose of this study is to analyze the clinical prognostic factors which may affect the postoperative clinical results of the unstable ankle fractures.
Materials and Methods:This study is based on 62 unstable ankle fractures treated by open reduction and internal fixation from May 1994 to June 2000, with a minimum follow-up period of 12 months(range : 13 months-7 years 3 months). The 62 patients were average 39.1 years old with male: female ratio of 41:21. Based on Lauge-Hansen classification, the supination-external rotation type was the most common with 36 (58.1%) cases. The clinical results was assessed by American Orthopaedic Foot and Ankle Society(AOFAS) functional scale. The sex, age, body weight, trauma-operation interval, operation time, cause of injury, fracture type were statistically analyzed as the possible postoperative clinical prognostic factors.
Results: Postoperative AOFAS functional scale was average 82.1 points with 22(35.5%) cases excellent, 12(19.4%) good, 16(25.8%) fair and 12(19.4%) cases poor results. The age and the operation time were found to be statistically significant factors affecting the prognosis(p<0.001). The sex, weight, trauma-operation interval factors did not significantly affect the clinical results. The pronation-external rotation type showed better clinical tendency among the fracture types, but without the statistical significance.
Conclusion:The surgically treated unstable ankle fractures in patients whose age was above 41 years old or operation time exceeding 90 minutes showed significantly poor clinical results.
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KEYWORD
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Unstable ankle fractures, Clinical prognostic factors, Age, Operation time
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