估计印度人群的内收肌比例：它是重建膝关节关节线的可靠指标吗？

Q2 Medicine

Journal of Clinical Orthopaedics and Trauma Pub Date : 2025-03-07 DOI:10.1016/j.jcot.2025.102970

Yuvarajan Palanisamy, Abhijit Jawali, Arjun R. Prasad, David V. Rajan

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引用次数: 0

摘要

背景：在翻修全膝关节置换术（r-TKA）中，准确的关节线恢复是确保适当的韧带张力和优化功能结果的关键。目的探讨印度人群初次全膝关节置换术（TKA）中内收肌比例对关节线恢复的可靠性。方法本研究分为两部分。在第一部分中，我们对93名无关节炎的年轻人进行了放射学评估，以估计内收肌比例。第二部分纳入47例行原发性全膝关节置换术的IV级骨关节炎患者。术前和术中测量内收结节到关节线距离（ATJL）和股骨宽度（FW）。估计FW和ATJL之间的Pearson相关性，并使用Bland-Altman分析评估术前和术中测量的一致性。估计了使用标准内收肌比的误差。结果无关节炎人群的平均内收肌比值为0.542，ATJL与FW有较强相关性(r = 0.81, p <；0.001)。在第二部分中，平均内收比术前（0.53）和术中（0.54）一致，偏差为0.001,95%的一致性范围为- 0.062至0.065。在95%的病例中，估计的ATJL与实际测量值相差在5毫米以内。结论0.54的内收比是印度人群关节线恢复的可靠指标。建议在初次TKA期间记录ATJL和FW，以提高修订方案中关节线重建的准确性。

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Estimation of adductor ratio in the Indian population: Is it a reliable indicator for recreating joint line of the knee?

Background

Accurate restoration of the joint line is critical in revision total knee arthroplasty (r-TKA) to ensure proper ligament tension and optimize functional outcomes.

Objective

To determine the adductor ratio in the Indian population and assess its reliability for restoring the joint line in primary total knee arthroplasty (TKA).

Methods

The study consisted of two parts. In the first part, 93 young, non-arthritic individuals were evaluated radiologically to estimate the adductor ratio. In the second part, 47 patients with grade IV osteoarthritis undergoing primary TKA were included. Pre-operative radiographic and intraoperative calliper measurements of the adductor tubercle to joint line distance (ATJL) and femoral width (FW) were taken. Pearson correlation was estimated between FW and ATJL, and Bland-Altman analysis was used to assess the agreement between pre-operative and intra-operative measurements. The error in using a standard adductor ratio was estimated.

Results

The mean adductor ratio in the non-arthritic population was 0.542, with a strong correlation between ATJL and FW (r = 0.81, p < 0.001). In the second part, the mean adductor ratio was consistent pre-operatively (0.53) and intra-operatively (0.54), with a bias of 0.001 and 95 % limits of agreement from −0.062 to 0.065. The estimated ATJL was within 5 mm of the actual measurement in 95 % of cases.

Conclusion

The adductor ratio of 0.54 is a reliable indicator for joint line restoration in the Indian population. Documentation of ATJL and FW during primary TKA is recommended for enhancing accuracy in joint line reconstruction in revision scenarios.

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来源期刊

Journal of Clinical Orthopaedics and Trauma Medicine-Orthopedics and Sports Medicine

CiteScore

4.30

自引率

0.00%

发文量

181

审稿时长

92 days

期刊介绍： Journal of Clinical Orthopaedics and Trauma (JCOT) aims to provide its readers with the latest clinical and basic research, and informed opinions that shape today''s orthopedic practice, thereby providing an opportunity to practice evidence-based medicine. With contributions from leading clinicians and researchers around the world, we aim to be the premier journal providing an international perspective advancing knowledge of the musculoskeletal system. JCOT publishes content of value to both general orthopedic practitioners and specialists on all aspects of musculoskeletal research, diagnoses, and treatment. We accept following types of articles: • Original articles focusing on current clinical issues. • Review articles with learning value for professionals as well as students. • Research articles providing the latest in basic biological or engineering research on musculoskeletal diseases. • Regular columns by experts discussing issues affecting the field of orthopedics. • "Symposia" devoted to a single topic offering the general reader an overview of a field, but providing the specialist current in-depth information. • Video of any orthopedic surgery which is innovative and adds to present concepts. • Articles emphasizing or demonstrating a new clinical sign in the art of patient examination is also considered for publication. Contributions from anywhere in the world are welcome and considered on their merits.