Mild to Moderate Varus Alignment in Relation to Surgical Repair of a Medial Meniscus Root Tear: A Matched-Cohort Controlled Study With 2 Years of Follow-up

Background: Increased varus alignment of the lower extremity is known to be a poor prognostic factor for the surgical repair for a medial meniscus root tear (MMRT). However, given the concept of constitutional varus, which is present in a substantial portion of the normal population, the generally a...

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Published in:The American journal of sports medicine 2021-03, Vol.49 (4), p.1005-1016
Main Authors: Moon, Hyun-Soo, Choi, Chong-Hyuk, Yoo, Je-Hyun, Jung, Min, Lee, Tae-Ho, Jeon, Byeong-Hun, Kim, Sung-Hwan
Format: Article
Language:English
Subjects:
Arthroscopy
Cohort Studies
Follow-Up Studies
Humans
Knee
Magnetic Resonance Imaging
Menisci, Tibial
Retrospective Studies
Sports medicine
Surgical outcomes
Tibial Meniscus Injuries - surgery
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Summary:Background: Increased varus alignment of the lower extremity is known to be a poor prognostic factor for the surgical repair for a medial meniscus root tear (MMRT). However, given the concept of constitutional varus, which is present in a substantial portion of the normal population, the generally accepted surgical indication for MMRT concerning a varus alignment of 5° may be unnecessarily narrow. Purpose: To compare the surgical outcomes of arthroscopic transtibial pullout repair of MMRT according to the degree of varus alignment of the lower extremity. Study Design: Cohort study; Level of evidence, 3 Methods: Patients who underwent isolated arthroscopic transtibial pullout repair of MMRT between January 2010 and July 2017 at one institution and had a minimum follow-up of 2 years were included in this study. Patients were classified into 1 of 2 groups: the experimental group (n = 22) included patients with a preoperative hip-knee-ankle angle between 5° and 10° varus (mild to moderate varus alignment) and the control group (n = 51) included those with a preoperative hip-knee-ankle angle
ISSN:0363-5465
1552-3365
DOI:10.1177/0363546520988072