KMID : 1130920050090010052
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Journal of Korean Foot and Ankle Society 2005 Volume.9 No. 1 p.52 ~ p.58
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Subtalar Arthrodesis Using the Cannulated Compression Screw
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Lee Sung-Churl
Jung Hong-Geun Chun Ji-Yong Yu Je-Wook
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Abstract
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Purpose: To analyze the overall clinical outcome, overall assessment, and patient¡¯s satisfaction rate of subtalar arthrodesis using the cannulated compression screw.
Materials and Methods: This study is based on 17 patients, 17 feet who underwent subtalar arthrodesis using the cannulated compression screw from March, 1997 to March, 2004 with at least 1 year follow-up. The average follow-up period was 33.0 months (12 to 72 months). Functional results were assessed using the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot (AOFAS) score, and Visual Analysis Scale (VAS) pain score, patients¡¯ returning to previous occupation and patients¡¯ satisfaction rate were also evaluated.
Results: The mean AOFAS scores at final follow-up were 80.4 points (range 66~92). The satisfactory rates were as follow. Thirteen patients (76.4%) were at least satisfied with surgical result at final follow-up. Patients¡¯ VAS pain score was average 2.8 points (1~6). Fourteen (82.3%) patients returned to previous job at mean postoperative period of 11.3 months (range 3-18 months). Patients¡¯ work efficiency after returning to previous occupation was 68.7% (range 33~100%). There were 9 complications which were 3 cases of sural nerve injury, 1 case of valgus malunion, and 5 cases of the hindfoot residual pain.
Conclusion: We obtained the satisfactory functional results with relatively high patient satisfaction rate of 76%. So we conclude that subtalar arthrodesis using the cannulated compression screw is a reliable method for addressing the painful end-stage subtalar osteoarthritis and unreconstructible comminuted calcaneal fractures. However we also found out that average 11 months were necessary for patients to return to their job.
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KEYWORD
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Osteoarthritis, Malunion, Comminuted calcaneal fracture, Subtalar arthrodesis, Cannulated compression screw
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