双柱活动平台单髁假体治疗膝关节前内侧骨关节炎的中期疗效

doi:10.6040/j.issn.1671-7554.0.2025.0161

摘要/Abstract

摘要： 目的探讨双柱活动平台单髁假体治疗膝关节前内侧骨关节炎的中期疗效。方法采用前瞻性单臂临床试验的方法,前瞻性纳入2018年12月至2019年6月山东大学齐鲁医院30例使用双柱活动平台单髁假体行单髁置换术治疗膝关节前内侧骨关节炎的患者,于术前,术后7 d,6周,3、6个月,1、5年随访,分析其美国特种外科医院功能评分、影像学结果。结果术前美国特种外科医院功能评分(68.03±10.34)分,术后1年评分(90.52±4.57)分,术后5年评分(92.03±5.45)分,术前与术后1、5年美国特种外科医院功能评分在总分与各分项得分差异有统计学意义(P<0.05),术后1年与5年美国特种外科医院功能评分在总分与各分项得分差异无统计学意义(P>0.05)。术后膝关节内翻得到有效纠正,假体组件对线良好,未发生垫片脱位、假体松动等严重不良事件。结论使用双柱活动平台单髁假体行膝关节前内侧单髁置换术具有显著的中期疗效,假体性能安全可靠。

关键词: 双柱活动平台单髁假体, 单髁置换术, 膝关节前内侧骨关节炎, 中期疗效

Abstract: Objective To investigate the mid-term efficacy of double-column mobile-bearing unicompartmental knee prosthesis in the treatment of anterior-medial knee osteoarthritis. Methods A prospective single-arm clinical trial was conducted. From December 2018 to June 2019, 30 patients with anterior-medial knee osteoarthritis undergoing unicompartmental knee arthroplasty using double-column mobile-bearing prosthesis were prospectively enrolled at Qilu Hospital of Shandong University. Follow-up assessments were performed preoperatively and at postoperative intervals: 7 days, 6 weeks, 3 months, 6 months, 1 year and 5 years. Evaluations included Hospital for Special Surgery(HSS)functional scores and radiographic outcomes. Results The HSS scores significantly improved from preoperative(68.03±10.34)to 1-year postoperative(90.52±4.57)and 5-year postoperative(92.03±5.45). Statistically significant differences were observed in total scores and each subscale scores between preoperative and both 1-year and 5-year postoperative timepoints(P<0.05), whereas no significant differences existed between 1-year and 5-year scores(P>0.05). Radiographic assessments demonstrated effective correction of knee varus deformity with satisfactory prosthesis alignment. No severe complications occurred, including bearing dislocation or prosthesis loosening. Conclusion Unicompartmental knee arthroplasty with double-column mobile-bearing prosthesis shows favorable mid-term outcomes for anterior-medial knee osteoarthritis, demonstrating reliable prosthesis safety and efficacy.

Key words: Double-column mobile-bearing unicompartmental knee prosthesis, Unicompartmental knee arthroplasty, Anterior-medial knee osteoarthritis, Mid-term efficacy

中图分类号:

R687.4

苗壮,刘培来. 双柱活动平台单髁假体治疗膝关节前内侧骨关节炎的中期疗效[J]. 山东大学学报 (医学版), 2025, 63(7): 62-67.

MIAO Zhuang, LIU Peilai. Mid-term efficacy of double-column mobile bearing unicompartmental knee prosthesis in treating anterior-medial knee osteoarthritis[J]. Journal of Shandong University (Health Sciences), 2025, 63(7): 62-67.

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