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Small Intercondylar Notch Size Is Not Associated with Poor Surgical Outcomes of Anatomical Single-Bundle Anterior Cruciate Ligament Reconstructions

 Hyun-Soo Moon  ;  Chong-Hyuk Choi  ;  Min Jung  ;  Je-Hyun Yoo  ;  Hyuk-Jun Kwon  ;  Young-Taek Hong  ;  Sung-Hwan Kim 
 CLINICS IN ORTHOPEDIC SURGERY, Vol.16(1) : 73-85, 2024-02 
Journal Title
Issue Date
Anterior Cruciate Ligament / surgery ; Anterior Cruciate Ligament Injuries* / diagnostic imaging ; Anterior Cruciate Ligament Injuries* / surgery ; Anterior Cruciate Ligament Reconstruction* / methods ; Female ; Femur / surgery ; Humans ; Knee Joint / diagnostic imaging ; Knee Joint / surgery ; Male ; Retrospective Studies ; Treatment Outcome
Anterior cruciate ligament ; Anterior cruciate ligament reconstruction ; Intercondylar notch ; Knee
Background Although many studies have been conducted on the association between the intercondylar notch size and the risk of anterior cruciate ligament (ACL) injury, few studies have examined its relationship with the condition after surgical treatment. Therefore, this study aimed to investigate the surgical outcomes of anatomical single-bundle ACL reconstruction according to intercondylar notch volumes. Methods Medical records of patients who underwent anatomical single-bundle ACL reconstruction using a tibialis anterior allograft between 2015 and 2019 were retrospectively reviewed. For each sex, eligible patients were classified into two groups based on their percentile of intercondylar notch volumes, which were measured using postoperative three-dimensional computed tomography images (group S, ≤ 50th percentile of included patients; group L, > 50th percentile of included patients). Additional grouping was performed based on the group’s percentiles of normalized values of intercondylar notch volumes to body heights. Between-group comparative analyses were performed on the perioperative data and surgical outcomes in both objective and subjective aspects. Results One hundred patients were included in the study. For male patients, there were no differences in the overall surgical outcomes between groups, whereas group L showed a significantly greater knee anteroposterior (AP) laxity than group S at the final follow-up (p = 0.042 for the side-to-side differences [SSD] at the maximum manual force). Similarly, there were no differences in the female patients in the overall surgical results between the groups, whereas group L showed a significantly greater knee AP laxity at the final follow-up (p = 0.020 for the SSD at 134 N; p = 0.011 for the SSD at the maximum manual force). Additional analyses based on the normalized values of the intercondylar notch volume showed consistent results for male patients, and additional grouping for female patients was identical to the existing grouping. Conclusions The surgical outcomes of anatomical single-bundle ACL reconstruction in patients with relatively small intercondylar notch volumes were comparable to those with large notch volumes, but rather showed favorable outcomes in postoperative knee AP laxity.
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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
Moon, Hyun-Soo(문현수)
Jung, Min(정민) ORCID logo https://orcid.org/0000-0002-7527-4802
Choi, Chong Hyuk(최종혁) ORCID logo https://orcid.org/0000-0002-9080-4904
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