Posterior medial meniscus root tear repair yields positive functional, clinical outcomes
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According to published results, arthroscopic posterior medial meniscus root tear repair offers functional and clinical benefits and may also slow – but not prevent – the progression of knee osteoarthritis.
In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, Peter S. Chang, MD, and colleagues performed a literature review of 28 studies (n = 994 patients) on arthroscopic posterior medial meniscus root tear (PMMRT) repair. According to the study, outcome measures included Lysholm, IKDC, Hospital for Special Surgery (HSS) and Tegner scores, as well as the Kellgren-Lawrence (KL) OA progression scale.
Researchers found PMMRT improved Lysholm, IKDC, HSS and Tegner scores across all 28 studies at final follow-up. In 11 studies, 49% of patients had radiographic OA progression of at least one grade on the KL scale with a mean follow-up of 4 years. In four studies, 23% of patients had cartilage progression of at least one grade on MRI.
“PMMRT repairs provide a functional benefit with consistent improvements in clinical outcome scores,” Chang and colleagues wrote in the study. “There is some evidence that PMMRT repair slows the progression of osteoarthritis but does not prevent it at midterm follow-up,” they added.
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