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Single-leaf partial meniscectomy in extensive horizontal tears of the discoid lateral meniscus: Does decreased peripheral meniscal thickness affect outcomes? (Mean four-year follow-up).

 Se-Won Lee  ;  Yong-Min Chun  ;  Chong-Hyuk Choi  ;  Sung-Jae Kim  ;  Min Jung  ;  Joon-Woo Han  ;  Sung-Hwan Kim 
 KNEE, Vol.23(3) : 472-477, 2016 
Journal Title
Issue Date
Adult ; Aged ; Arthroscopy ; Female ; Follow-Up Studies ; Humans ; Male ; Menisci, Tibial/pathology ; Menisci, Tibial/physiopathology ; Menisci, Tibial/surgery* ; Middle Aged ; Retrospective Studies ; Tibial Meniscus Injuries/physiopathology ; Tibial Meniscus Injuries/surgery* ; Young Adult
Discoid ; Horizontal tear ; Meniscectomy ; Meniscus
BACKGROUND: To evaluate whether single-leaf partial meniscectomy in horizontal tears along the entire discoid lateral meniscus has any advantages in clinical and radiological results compared with other meniscectomies in discoid lateral meniscus.
METHODS: A total of 145 patients with a horizontal tear pattern in symptomatic lateral discoid meniscus were retrospectively reviewed. Twenty-seven patients had undergone full-extent single-leaf partial meniscectomy (group A), 60 had undergone conventional partial meniscectomy (saucerization) maintaining peripheral meniscal height (group B), and 58 patients had undergone total meniscectomy (group C). Each patient was evaluated with the Lysholm knee score, International Knee Documentation Committee (IKDC) subjective grading, and modified Kellgren-Lawrence grade in plain radiography at their last follow-up.
RESULTS: Group C had inferior functional results to groups A and B on the Lysholm knee score and IKDC subjective score. There was no significant difference between groups A and B. Group C fared significantly worse than groups A and B (p=0.003, p<0.001) by modified Kellgren-Lawrence grade.
CONCLUSION: With regard to clinical and radiological evaluations in lateral discoid meniscus tears, the full-extent single-leaf partial meniscectomy group had no adverse results compared with the total meniscectomy group and was not significantly different compared to the conventional partial meniscectomy group.
STUDY DESIGN: Cohort study.
LEVEL OF EVIDENCE: Level III, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.
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1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Hwan(김성환) ORCID logo https://orcid.org/0000-0001-5743-6241
Jung, Min(정민) ORCID logo https://orcid.org/0000-0002-7527-4802
Chun, Yong Min(천용민) ORCID logo https://orcid.org/0000-0002-8147-6136
Choi, Chong Hyuk(최종혁) ORCID logo https://orcid.org/0000-0002-9080-4904
Han, Joon Woo(한준우)
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