PCO变化值与TKA术后患者膝关节屈曲功能的关系

doi:10.7517/issn.1674-0475.211112

摘要/Abstract

摘要： 本文探讨股骨后髁偏心距(PCO)与全膝关节置换术(TKA)术后患者膝关节屈曲功能的关系。选取行单侧TKA治疗的患者92例,根据手术前后PCO变化值将患者分为PCO变化值≥0组(n=55)和PCO变化值＜0组(n=37)。PCO变化值≥0组患者术后1个月膝关节屈曲度明显高于PCO变化值＜0组患者(P＜0.05);术后12个月PCO变化值≥0组西安大略和麦克马斯特大学骨关节炎指数(WOMAC)评分总分、疼痛和日常活动评分、平均轨迹误差、平均力量差和稳定指数低于PCO变化值＜0组患者(P＜0.05),而纽约特种外科医院(HSS)膝关节评分功能、活动度评分高于PCO变化值＜0组患者(P＜0.05)。PCO变化值不变或增加有助于TKA术后患者膝关节屈曲功能快速恢复,有助于改善膝关节功能,患者本体感觉较好。

关键词: 股骨后髁偏心距, 全膝关节置换术, 膝关节屈曲, 效果

Abstract: This paper investigated the relationship between femoral posterior condyle eccentricity (PCO) and knee flexion function after total knee arthroplasty (TKA). Ninety-two patients underwent unilateral TKA were selected, according to the prooperative and postoperative change value of PCO the patients were divided into PCO change value ≥ 0 group (n=55) and PCO change value < 0 group (n=37). After 1 month surgery the knee flexion angle of patients with PCO changes ≥0 was significantly higher than those of patients with PCO changes < 0 (P<0.05). The total score of Western Ontario and McMaster University Osteoarthritis Index score (WOMAC), pain, daily activity and the mean trajectory error, mean strength difference and stability index in the PCO≥0 group at 12 months after surgery were significantly lower than those in the PCO changes < 0 group (P<0.05), while the New York Special Surgery Hospital (HSS) function and activity scores were significantly higher than those in PCO changes < 0 group (P<0.05). The unchanged or increased PCO contribute to the rapid recovery of knee flexion function after TKA, help to improve knee function, and patients have better proprioception.

Key words: femoral posterior condyle eccentricity, total knee replacement, knee flexion, the effect

桑鹏, 刘毅, 杨继滨, 孙鹏鹏, 邹刚, 金瑛. PCO变化值与TKA术后患者膝关节屈曲功能的关系[J]. 影像科学与光化学, 2022, 40(3): 520-524.

SANG Peng, LIU Yi, YANG Jibin, SUN Pengpeng, ZOU Gang, JIN Ying. The Relationship between PCO Changes and Knee Flexion Function after TKA[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(3): 520-524.

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