Harrogate and District NHS Foundation Trust, Harrogate, UK.
ReSurg SA, Rue Saint-Jean 22, 1260, Nyon, Switzerland.
Knee Surg Sports Traumatol Arthrosc. 2020 Dec;28(12):3865-3870. doi: 10.1007/s00167-020-05870-4. Epub 2020 Feb 3.
To evaluate whether long-term (10-year minimum) patient outcomes and survival of fixed-bearing medial unicompartmental knee arthroplasty (UKA) in patients aged ≤ 60 years were favorable despite non-conventional age criteria.
The authors reviewed the records of 91 consecutive medial UKAs performed in patients aged ≤ 60 by a single surgeon. All patients received the same fixed-bearing M/G Unicompartmental Knee System. Patients records were updated, noting complications or revisions, and Oxford Knee Scores and overall satisfaction collected. If deceased, the general practitioner or next of kin provided data.
Of the initial 91 knees, 10 were revised, 6 were deceased, and 1 was lost to follow-up. The final cohort of 74 knees was aged 54.3 ± 4.3 years (range 41.8-60.6) at index surgery. Using revision of any component as endpoint, the present series had a KM survival of 92.9% (CI 84.8-96.7%) at 10 years, and 87.8% (CI 78.4-93.2%) at 15 years, and a single non-fatal DVT was reported. At final follow-up of 15 ± 1.3 years (range 11-18), OKS (available for all 74 knees) was 38.4 ± 8.4 (range 18-48). Overall patients were pleased or very pleased with 72 of the knees (97%).
Fixed-bearing medial UKA yields favorable results in the treatment of single compartment osteoarthritis of the knee in patients ≤ 60 years. The present study demonstrates low complication rates, good-to-excellent long-term patient outcomes, and satisfactory implant survival for this age group considering the advantages of UKA.
Level IV, retrospective cohort study.
评估对于年龄≤60 岁的患者，采用固定平台单髁膝关节置换术（UKA）进行治疗，10 年的长期（至少 10 年）患者结局和生存率是否良好，尽管这一术式的年龄标准是非传统的。
作者回顾了一位外科医生对 91 例年龄≤60 岁的患者进行的内侧 UKA 的连续记录。所有患者均接受了相同的固定平台 M/G 单髁膝关节系统治疗。更新患者记录，记录并发症或翻修情况，并收集牛津膝关节评分和整体满意度。如果患者死亡，由全科医生或近亲提供数据。
在最初的 91 例膝关节中，有 10 例进行了翻修，6 例患者死亡，1 例失访。最终的 74 例膝关节队列的平均年龄为 54.3±4.3 岁（范围为 41.8-60.6）。以任何组件的翻修为终点，本研究的 10 年 K-M 生存率为 92.9%（CI 84.8-96.7%），15 年生存率为 87.8%（CI 78.4-93.2%），仅报告了 1 例非致命性的深静脉血栓形成。在 15±1.3 年的最终随访中（范围为 11-18 年），74 例膝关节中有 72 例（97%）的牛津膝关节评分（OKS）可用，其评分为 38.4±8.4（范围为 18-48）。总体而言，72 例膝关节（97%）的患者对治疗结果感到满意或非常满意。
对于年龄≤60 岁的膝关节单间室骨关节炎患者，采用固定平台内侧 UKA 可获得良好的治疗效果。考虑到 UKA 的优势，本研究显示该年龄组的并发症发生率低，患者长期预后良好，可获得满意的假体生存率。
IV 级，回顾性队列研究。
