A Systematic Review of Adverse Events and Complications After Isolated Posterior Medial Meniscus Root Repairs

Garrett R. Jackson, Alec A. Warrier, Morgan Wessels, Zeeshan A. Khan, Obianuju Obioha, Johnathon R. McCormick, Daniel J. Kaplan, Enzo S. Mameri, Derrick M. Knapik, Nikhil N. Verma, Jorge Chahla

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Background: Medial meniscus posterior root (MMPR) tears are recognized as a substantial cause of disability and morbidity. However, meniscus root repair, regardless of technique, is not without potential complications. Purpose: To evaluate the reported incidence of complications and adverse events after isolated MMPR repair. Study Design: Systematic review; Level of evidence, 4. Methods: A systematic review was conducted according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines using Embase, PubMed, and Scopus databases with the following search terms combined with Boolean operators: “meniscus,”“root,” and “repair.” Inclusion criteria consisted of level 1 to 4 human clinical studies in English or English-language translation reporting complications and adverse events after isolated posterior medial meniscus root repairs. The overall incidence of specific complications was estimated from the pooled sample of the included studies. Results: Eleven studies with a total pooled sample of 442 patients were identified. The mean patient age was 58.1 years, while the mean final follow-up time was 37.2 months (range, 12-84.8 months). The overall incidence of complications was 9.7% (n = 43/442), with the most commonly reported complication being progressive degenerative changes within the knee (10.4%; n = 25/240; n = 5 studies). A total of 1.25% (n = 3/240) of patients who experienced degenerative changes required conversion to total knee arthroplasty. Repair failures were reported in 3.1% (n = 10/327; n = 8 studies) of patients. Conclusion: Repairing MMPR tears is critical in preventing accelerated progression of knee osteoarthritis in patients without significant knee osteoarthritis preoperatively. While this repair is still recommended and necessary in appropriate patients, this review found that the incidence of complications after isolated posterior medial meniscus root repair was 9.7%, primarily involving the presence of progressive degeneration, while repair failure was reported in 3% of patients.

Original languageEnglish
Pages (from-to)1109-1115
Number of pages7
JournalAmerican Journal of Sports Medicine
Volume52
Issue number4
DOIs
StatePublished - Mar 2024

Keywords

  • knee
  • meniscal extrusion
  • meniscus
  • root repair
  • root tear

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