髌下脂肪垫对全膝关节置换术后髌骨高度的影响

Henan Medical Research（2014）

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Abstract

目的:研究保留或切除髌下脂肪垫对全膝关节置换术(total knee arthroplasty,TKA)术后髌骨高度的影响.方法:将86例骨性关节炎患者(116膝)分为A、B两组.A组为保留髌下脂肪垫组(59膝),B组为切除髌下脂肪垫组(57膝).应用屈膝30°的侧位X线片,测量术前及术后随访时的Insall-Salvati比值以反映髌骨高度.结果:A组术前及术后随访时的Insall-Salvati比值差异无统计学意义(P＞0.05),B组术前及术后随访时的Insall-Salvati比值差异有统计学意义(P＜0.05).结论:在TKA术中切除髌下脂肪垫会造成TKA术后髌骨高度下降,导致低位髌骨及髌腱短缩.

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