Transtibial pullout technique as effective as all-inside meniscal repair in MMPRT: Study
Arthroscopic all-inside end-to-end meniscal root suture and transtibial pullout technique can reach good results when performed properly and if the injury pattern allows meniscal suture may be considered a treatment option for the management of medial meniscus posterior root tears, suggests a study.
The study is published in the Journal of Orthopaedics.
There is a paucity of comparative clinical data between arthroscopic all-inside end-to-end meniscal root suture and transtibial pullout technique in medial meniscus posterior root tears.
Therefore, this study conducted by Lika Dzidzishvili and colleagues from the Department of Orthopaedic Surgery and Traumatology Hospital, Madrid, Spain aimed to compare treatment failure, mid-term clinical and radiological outcomes of all-inside meniscus root repair versus the transtibial pullout technique and to analyze prognostic factors of postoperative clinical and radiological outcomes.
Forty-four patients were included in two therapeutic group: arthroscopic all-inside meniscal suture (MS: 13 knees) and transtibial pullout technique.
Primary clinical outcomes at a minimum of 27.2 months postoperatively included Knee injury and Osteoarthritis Outcome Score (KOOS) and Lysholm Knee Questionnare (LKQ). Radiographic assessment of the knee was performed to determine osteoarthritis severity using the Kellgren-Lawrence (KL) grading system.
Furthermore, in addition, pre and postoperative MRI scans and intraoperative arthroscopic findings were recorded and the correlations between these findings, as outcome predictors and postoperative patients reported subjective outcome were assessed.
The following observations were highlighted-
a. No significant differences in postoperative Knee injury and Osteoarthritis Outcome Score and Lysholm Knee Questionnare scores were found between the two groups (p = 0.38 and 0.17, respectively).
b. During follow-up one patients (7.7%) in the meniscal suture group and two (6.5%) in the transtibial pullout group underwent total knee arthroplasty.
c. The difference did not reach the statistical significance (p = 0.88).
d. No differences were observed in postoperative MRI findings such as meniscal extrusion, osteochondral defect, chondromalacia patella, and bone morrow edema (p = 0.25, 0.97, 0.97, and 0.88, respectively).
e. A univariate model revealed that the presence of postoperative meniscal extrusion; osteochondral defect; chondromalacia patella; increased BMI; age (>40 years) and longer time lapse between clinical onset to surgery (>6 months) were predictors of poor clinical outcome.
f. The presence of meniscal extrusion, osteochondral defect and chondropatia patella portended worst postoperative outcomes in a multiple linear regression model.
Hence, it was concluded that both techniques can reach good results when performed properly and if the injury pattern allows meniscal suture may be considered a treatment option for the management of medial meniscus posterior root tears in well-selected patients.
https://doi.org/10.1016/j.jor.2021.08.001
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