Midterm outcomes after arthroscopic surgery for hypermobile lateral meniscus in adults: Restriction of paradoxical motion

Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association
Tomoaki KamiyaToshihiko Yamashita

Abstract

Hypermobile lateral meniscus (HLM) is one of the causes of knee pain and a locking sensation. It is thought that disruption of the popliteomeniscle fascicles lead to hypermobility of the lateral meniscus in adults. In cases of HLM, the posterior portion of the lateral meniscus shows forward abnormal translation with knee flexion and backward translation with knee extension. We refer to this phenomenon as paradoxical motion. The purpose of this study was to report an arthroscopic HLM stabilization and evaluate the midterm clinical outcomes. Twenty consecutive HLM patients (21 knees) who underwent arthroscopic surgery were included. The mean age at the time of surgery was 37.7 (19-63) years. Mean duration from surgery to final follow-up was 37 (24-68) months. Meniscus movement according to the knee flexion and extension was observed by diagnostic arthroscopy. We performed arthroscopic inside-out vertical stacked suturing of disrupted popliteomeniscle fascicles. The number of suturing and details of meniscal movement were assessed. The Tegner activity level score and Lysholm knee scores were determined preoperatively and at 2 years postoperatively. Clinical outcomes included locking sensation, recurrences and complications reporte...Continue Reading

Citations

Dec 2, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Zhou LiQuanhui Liu
Dec 2, 2020·Journal of Experimental Orthopaedics·Kazumi GotoJacques Menetrey
Jan 12, 2021·Case Reports in Orthopedics·Hirotaka NakashimaYuichi Iwasaki
Feb 22, 2021·Journal of Orthopaedic Surgery and Research·Alessio D'AddonaNicola Maffulli
Jul 2, 2021·Arthroscopy, Sports Medicine, and Rehabilitation·Robert L ParisienMiltiadis H Zgonis
Aug 3, 2021·Arthroscopy Techniques·Tsuneari TakahashiKatsushi Takeshita

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