The effect of the intercondylar notch width index on anterior cruciate ligament injuries: a study on groups with unilateral and bilateral ACL injury

To evaluate the relationship of the intercondylar notch width with unilateral and bilateral ACL injury by using MR images. The intercondylar notch width index was measured on the MR images of 18 patients with a bilateral ACL injury, 38 patients with a unilateral ACL injury and 53 healthy subjects wi...

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Bibliographic Details
Published in:	Acta orthopaedica belgica Vol. 81; no. 2; pp. 240 - 244
Main Authors:	Görmeli, Cemile Ayşe, Görmeli, Gökay, Öztürk, Burak Yağmur, Özdemir, Zeynep, Kahraman, Ayşegül Sağır, Yıldırım, Okan, Gözükarab, Harika
Format:	Journal Article
Language:	English
Published:	Belgium 01-06-2015
Subjects:	Adult Anterior Cruciate Ligament - pathology Anterior Cruciate Ligament Injuries Female Humans Knee Injuries - diagnosis Magnetic Resonance Imaging - methods Male Retrospective Studies ROC Curve Rupture Trauma Severity Indices
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Summary:	To evaluate the relationship of the intercondylar notch width with unilateral and bilateral ACL injury by using MR images. The intercondylar notch width index was measured on the MR images of 18 patients with a bilateral ACL injury, 38 patients with a unilateral ACL injury and 53 healthy subjects with a normal ACL and the results of all groups were compared with each other. The mean NWI values were 0,227 (±0.008) in bilateral injured; 0,245 (±0.009) in unilateral injured and 0,272 (±0.01) in control groups and 0,251(±0.01) in unaffected side of the unilateral group. There were statistically significant differences in intercondylar notch width index (NWI) values between all groups and there was a significant difference between the affected and the unaffected sides in group with unilateral ACL injury. A cutoff value of 0.25 for NWI gave an odds ratio of 26.5 for bilateral and 3.23 for unilateral ACL injuries. The finding that NWI is significantly narrowed in patients with bilateral and unilateral ACL tears compared with the healthy controls suggest a relationship between a narrow NWI and an increased risk of ACL injury. The patients with a narrow NWI should also be screened contralaterally for assessment of ACL injury risk on the other knee. So, specialized training programmes for the people with narrow NWI can be prepared for preventing ACL injuries.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0001-6462