侧位机器人辅助单室膝关节置换术后的早期效果非常好

IF 1.6 4区医学 Q3 ORTHOPEDICS

Knee Pub Date : 2025-03-01 DOI:10.1016/j.knee.2025.02.011

Colin C. Neitzke, Jeffrey A. O’Donnell, Claude J. Regis, Pravjit Bhatti, Yu-Fen Chiu, Andrew D. Pearle, David J. Mayman, Brian P. Chalmers

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引用次数: 0

摘要

侧向单室膝关节置换术（UKA）历来显示出好坏参半的结果，当代关于侧向机器人辅助的UKA （RA-UKA）结果的文献有限。本研究旨在评估侧位RA-UKA的短期生存率、临床和影像学结果。方法回顾性分析了2016年至2022年在一家机构进行的138例侧位RA-UKAs，研究人群中58%为女性，平均BMI为27 kg/m2，平均年龄为62岁。平均随访时间为两年。Kaplan-Meier分析评估无全因再手术和翻修的生存率。x线检查评估了组件定位、无菌性松动和骨关节炎进展。结果无全因修订的1年和2年生存率为100%（95%置信区间[CI]: 100 - 100%）。无全因再手术的1年和2年生存率分别为97% （95% CI: 91 - 99%）和96% （95% CI: 90 - 98%）。有6例（4%）再次手术，最常见的是关节镜下的瘢痕组织溶解/去除、滑膜炎和骨赘。胫股平均解剖角度从9.7°下降到5.9°外翻。在最近的随访中，11（8%）膝关节显示骨关节炎进展。从术前到术后2年，膝关节损伤和骨关节炎膝关节置换术的平均预后评分从56分增加到82分(P <；0.0001)，疼痛的平均视觉模拟评分从53降至18 （P = 0.001）。结论当代侧位RA-UKA的短期随访显示，无全因再手术（96%）和翻修（100%）的生存率高。患者的PROMs有显著改善，少数患者有骨关节炎进展。

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Excellent early outcomes following lateral robotic-assisted unicompartmental knee arthroplasty

Introduction

Lateral unicompartmental knee arthroplasty (UKA) has historically shown mixed results and there is limited contemporary literature on lateral robotic-assisted UKA (RA-UKA) outcomes. This study aimed to evaluate the short-term survivorship, clinical, and radiographic outcomes of lateral RA-UKA.

Methods

A retrospective review identified 138 lateral RA-UKAs performed from 2016 to 2022 at a single institution, with a study population of 58% women, a mean BMI of 27 kg/m², and a mean age of 62 years. The mean follow-up was two years. Kaplan-Meier analysis assessed survivorship free from all-cause reoperation and revision. A radiographic review evaluated component positioning, aseptic loosening, and osteoarthritis progression.

Results

The one- and two-year survivorship free from all-cause revision was 100% (95% confidence interval [CI]: 100 to 100%). The one- and two-year survivorship free from all-cause reoperation was 97% (95% CI: 91 to 99%) and 96% (95% CI: 90 to 98%), respectively. There were six (4%) reoperations, most commonly for arthroscopic lysis/removal of scar tissue, synovitis, and osteophyte. The mean anatomic tibiofemoral angle decreased from 9.7° to 5.9° valgus. At the latest follow-up, 11 (8%) knees showed radiographic osteoarthritis progression. From preoperatively to two years postoperatively, the mean Knee Injury and Osteoarthritis Outcome Score for Joint Replacement increased from 56 to 82 (P < 0.0001), and the mean visual analog scale for pain decreased from 53 to 18 (P = 0.001).

Conclusions

Short-term follow-up of contemporary lateral RA-UKA demonstrated high survivorship free from all-cause reoperation (96%) and revision (100%). Patients had significant improvements in PROMs, and a minority had osteoarthritis progression.

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来源期刊

Knee 医学-外科

CiteScore

3.80

自引率

5.30%

发文量

171

审稿时长

6 months

期刊介绍： The Knee is an international journal publishing studies on the clinical treatment and fundamental biomechanical characteristics of this joint. The aim of the journal is to provide a vehicle relevant to surgeons, biomedical engineers, imaging specialists, materials scientists, rehabilitation personnel and all those with an interest in the knee. The topics covered include, but are not limited to: • Anatomy, physiology, morphology and biochemistry; • Biomechanical studies; • Advances in the development of prosthetic, orthotic and augmentation devices; • Imaging and diagnostic techniques; • Pathology; • Trauma; • Surgery; • Rehabilitation.