Comparison of Functional Outcomes After Anterior Cruciate Ligament Reconstruction with Meniscal Repair for Unstable Versus Stable Meniscal Tears

Overview

Journal Diagnostics (Basel)

Specialty Radiology

Date 2024 May 11

PMID 38732286

Authors

Jin Hyuck Lee

Gyu Bin Lee

WooYong Chung

Ji Won Wang

Sun Gyu Han

Hye Chang Rhim

Seung-Beom Han

Ki-Mo Jang

Affiliations

Soon will be listed here.

Abstract

This study aimed to compare functional outcomes including knee muscle strength in the quadriceps and hamstrings, and proprioception, assessed through dynamic postural stability (overall stability index [OSI]) and self-reported outcomes in the operated and non-operated knees between anterior cruciate ligament reconstruction (ACLR) with meniscal repair for unstable (root and radial tears) and stable (longitudinal, horizontal, and bucket handle tears) meniscal tears. A total of 76 patients were randomly selected (41 with ACLR with meniscal repair for unstable meniscal tears and 35 with ACLR with meniscal repair for stable meniscal tears) at three different time points (preoperative, 6 months, and 12 months). Repeated measures analysis of variance was used to investigate the differences in outcomes for between-subject and within-subject factors. In the operated knees, there were no significant differences for functional outcomes between the two groups (all > 0.05). In the non-operated knees, a significant difference was observed for the OSI between the two groups, which was significantly higher in ACLR with meniscal repair for unstable meniscal tears than for stable meniscal tears at 6 months ( < 0.001). Multiple linear regression analysis showed that age ( = 0.027), preoperative OSI in the operated knees ( = 0.005), and postoperative OSI in the operated knees at 6 months ( = 0.002) were significant and independent predictors for OSI in the non-operated knees at 6 months postoperatively. Therefore, while no differences were observed in functional outcomes between the two groups in the operated knees, dynamic postural stability was poorer at 6 months postoperatively in the non-operated knees of patients with ACLR with meniscal repair for unstable meniscal tears. Furthermore, a significant correlation was observed between preoperative/postoperative dynamic postural stability in the operated knees and postoperative dynamic postural stability in the non-operated knees. Hence, we recommend incorporating balance exercises for both knees in post-surgical rehabilitation, particularly for patients with unstable meniscal tears.

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