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胫骨组件旋转对线对活动垫片型单髁膝关节置换术临床结果的影响。

The effect of tibial component rotational alignment on clinical outcomes of mobile-bearing unicompartmental knee arthroplasty.

机构信息

Department of Orthopaedics Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, 215000, China.

出版信息

J Orthop Surg Res. 2023 Mar 20;18(1):217. doi: 10.1186/s13018-023-03707-7.

DOI:10.1186/s13018-023-03707-7
PMID:36935479
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10026499/
Abstract

BACKGROUND

The optimal tibial component rotational alignment in unicompartmental knee arthroplasty has not been defined. This study aimed to explore the effect of tibial component rotational alignment on the clinical outcomes of UKA.

METHODS

Clinical and follow-up data from 269 patients were retrospectively analysed. They were assigned into Groups A (- 5° to 0°), B (0°-3°), C (3°-6°) and D (> 6°) according to the external rotation of the tibial component to Akagi's line. The Knee Society Score clinical (KSS-c), Knee Society Score function (KSS-f), Forgotten Joint Score (FJS) and postoperative complications at 2 years postsurgically were analysed.

RESULTS

The mean rotation of the tibial component relative to Akagi's line in 269 patients was 4.56 ± 3.79°. There were 15, 84, 89 and 81 patients in Groups A, B, C and D, respectively. The postoperative KSS-c and KSS-f in Groups B and C were significantly higher than those in Group D. No significant differences in KSS-c and KSS-f were detected between Groups B and C. The postoperative FJS in Group B was significantly higher than that in Group C, which was significantly higher in Group C than in Group D. There were 5, 8 and 15 cases of postoperative knee pain in Groups B, C and D, respectively, and the difference was statistically significant.

CONCLUSION

Tibial component rotational alignment is of significance to Oxford Phase III UKA in patients. External rotation of the tibial component by 0°-3° is optimal to achieve satisfactory clinical outcomes.

摘要

背景

单髁膝关节置换术中胫骨组件的最佳旋转对线尚未确定。本研究旨在探讨胫骨组件旋转对线对 UKA 临床结果的影响。

方法

回顾性分析了 269 例患者的临床和随访资料。根据胫骨组件相对于 Akagi 线的外旋角度，将患者分为 A 组（-5°至 0°）、B 组（0°-3°）、C 组（3°-6°）和 D 组（>6°）。分析术后 2 年膝关节学会评分临床（KSS-c）、膝关节学会评分功能（KSS-f）、遗忘关节评分（FJS）和术后并发症。

结果

269 例患者胫骨组件相对于 Akagi 线的平均旋转角度为 4.56±3.79°。A、B、C 和 D 组分别有 15、84、89 和 81 例患者。B 组和 C 组术后 KSS-c 和 KSS-f 明显高于 D 组。B 组和 C 组的 KSS-c 和 KSS-f 差异无统计学意义。B 组术后 FJS 明显高于 C 组，C 组明显高于 D 组。B、C 和 D 组分别有 5、8 和 15 例患者术后膝关节疼痛，差异有统计学意义。

结论

胫骨组件旋转对线对牛津 Phase III UKA 患者具有重要意义。胫骨组件外旋 0°-3°是获得满意临床效果的最佳选择。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/b5040d5517b5/13018_2023_3707_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/85c4d5889d90/13018_2023_3707_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/15629d0d56ba/13018_2023_3707_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/b5040d5517b5/13018_2023_3707_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/85c4d5889d90/13018_2023_3707_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/15629d0d56ba/13018_2023_3707_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e623/10026499/b5040d5517b5/13018_2023_3707_Fig3_HTML.jpg

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