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KMID : 0359620180300010003
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Journal of Korean Knee Society
2018 Volume.30 No. 1 p.3 ~ p.16
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Distal Femoral Varus Osteotomy for Valgus Arthritis of the Knees: Systematic Review of Open versus Closed Wedge Osteotomy
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Kim Young-Chang
Yang Jae-Hyuk
Kim Hyun-Jung
Tawonsawatruk Tulyapruek
Chang Yong-Suk
Lee Jong-Seong
Bhandare Nikhil N
Kim Ki-Seong
Delgado Giorgio D.G.
Nha Kyung-Wook
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Abstract
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Purpose: The purpose of this review is to compare the clinical and radiological outcomes between open and closed wedge distal femoral varus osteotomy (DFO).
Methods: A literature search of online databases (MEDLINE, EMBASE, and Cochrane Library database) was made in addition to manual search of major orthopedic journals. Data were searched from the time period of January 1990 to October 2016. A modified Coleman Methodology Score system was used to assess the methodologic quality of the included studies. A total of 20 studies were included in the review. All studies were level IV evidence.
Results: Comparative analysis of open and closed wedge DFO did not demonstrate clinical and radiological differences. The survival rates were also similar. Five studies (56%) on open wedge DFO mentioned the need for either bone grafting or substitute for osteotomy gap filling and reported higher incidences of reoperation for plate removal than the closed wedge DFO studies.
Conclusions: The present systematic review showed similar performance between open and closed wedge DFO. Outcomes including survival rates were not statistically significantly different. However, additional bone grafting or substitutes were often needed to prevent delayed union or nonunion for open wedge techniques. Additional operations for plate removal were commonly required due to plate irritation in both techniques.
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KEYWORD
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Knee, Femur, Valgus, Osteotomy
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