Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury

Abstract Purpose Anterior insertion of the supraspinatus muscle plays an essential role in rotator cuff tissue. We aimed to determine whether the distance between the midpoints of the supraspinatus central tendon and long head of the biceps tendon on a sagittal shoulder magnetic resonance imaging sc...

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Autores principales:	Lifeng Yin, Hua Zhang, Yangang Kong, Xinyu Zhang, Wenlong Yan, Jian Zhang
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Rotator cuff tear Magnetic resonance imaging Supraspinatus central tendon Long head of the bicep tendons Anterior supraspinatus insertion Orthopedic surgery RD701-811
Acceso en línea:	https://doaj.org/article/c7cd3a18dfc94ac6a252d27ef4a31871
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spelling	oai:doaj.org-article:c7cd3a18dfc94ac6a252d27ef4a318712021-11-28T12:23:38ZDistance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury10.1186/s40634-021-00410-62197-1153https://doaj.org/article/c7cd3a18dfc94ac6a252d27ef4a318712021-11-01T00:00:00Zhttps://doi.org/10.1186/s40634-021-00410-6https://doaj.org/toc/2197-1153Abstract Purpose Anterior insertion of the supraspinatus muscle plays an essential role in rotator cuff tissue. We aimed to determine whether the distance between the midpoints of the supraspinatus central tendon and long head of the biceps tendon on a sagittal shoulder magnetic resonance imaging scan can help to preoperatively diagnose an injury of the anterior insertion of the supraspinatus. Method This retrospective study reviewed 103 patients with a full-thickness supraspinatus tendon tear: 50 patients with (injured group) and 53 patients without (intact group) anterior supraspinatus insertion tear. The inter-tendon distance was measured based on an oblique sagittal magnetic resonance imaging scan. SPSS was used for statistical analyses. Two independent samples t-test and receiver operating curve analysis were also performed. Results The measurements of inter-tendon distance revealed good intra- and inter-observer reliabilities with intra-class correlation coefficients of 0.92 and 0.97, respectively. The inter-tendon distance of the injured group was significantly greater than that of the intact group (10.1 ± 2.7 vs 8.0 ± 2.3 mm, P < 0.001). The diagnostic ability of the inter-tendon distance was fair (area under the curve = 0.745), and a threshold of 9 mm had a specificity of 73% and sensitivity of 74%. Conclusion The distance between the supraspinatus central tendon and long head of the biceps tendon on magnetic resonance imaging was greater in patients with anterior supraspinatus insertion injury than those without the injury. A distance of 9 mm may be the cut-off value and a good diagnosis marker for anterior supraspinatus insertion injury. Level of evidence Level III, diagnostic case–control study.Lifeng YinHua ZhangYangang KongXinyu ZhangWenlong YanJian ZhangSpringerOpenarticleRotator cuff tearMagnetic resonance imagingSupraspinatus central tendonLong head of the bicep tendonsAnterior supraspinatus insertionOrthopedic surgeryRD701-811ENJournal of Experimental Orthopaedics, Vol 8, Iss 1, Pp 1-5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Rotator cuff tear Magnetic resonance imaging Supraspinatus central tendon Long head of the bicep tendons Anterior supraspinatus insertion Orthopedic surgery RD701-811
spellingShingle	Rotator cuff tear Magnetic resonance imaging Supraspinatus central tendon Long head of the bicep tendons Anterior supraspinatus insertion Orthopedic surgery RD701-811 Lifeng Yin Hua Zhang Yangang Kong Xinyu Zhang Wenlong Yan Jian Zhang Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury
description	Abstract Purpose Anterior insertion of the supraspinatus muscle plays an essential role in rotator cuff tissue. We aimed to determine whether the distance between the midpoints of the supraspinatus central tendon and long head of the biceps tendon on a sagittal shoulder magnetic resonance imaging scan can help to preoperatively diagnose an injury of the anterior insertion of the supraspinatus. Method This retrospective study reviewed 103 patients with a full-thickness supraspinatus tendon tear: 50 patients with (injured group) and 53 patients without (intact group) anterior supraspinatus insertion tear. The inter-tendon distance was measured based on an oblique sagittal magnetic resonance imaging scan. SPSS was used for statistical analyses. Two independent samples t-test and receiver operating curve analysis were also performed. Results The measurements of inter-tendon distance revealed good intra- and inter-observer reliabilities with intra-class correlation coefficients of 0.92 and 0.97, respectively. The inter-tendon distance of the injured group was significantly greater than that of the intact group (10.1 ± 2.7 vs 8.0 ± 2.3 mm, P < 0.001). The diagnostic ability of the inter-tendon distance was fair (area under the curve = 0.745), and a threshold of 9 mm had a specificity of 73% and sensitivity of 74%. Conclusion The distance between the supraspinatus central tendon and long head of the biceps tendon on magnetic resonance imaging was greater in patients with anterior supraspinatus insertion injury than those without the injury. A distance of 9 mm may be the cut-off value and a good diagnosis marker for anterior supraspinatus insertion injury. Level of evidence Level III, diagnostic case–control study.
format	article
author	Lifeng Yin Hua Zhang Yangang Kong Xinyu Zhang Wenlong Yan Jian Zhang
author_facet	Lifeng Yin Hua Zhang Yangang Kong Xinyu Zhang Wenlong Yan Jian Zhang
author_sort	Lifeng Yin
title	Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury
title_short	Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury
title_full	Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury
title_fullStr	Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury
title_full_unstemmed	Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury
title_sort	distance between the supraspinatus and long head of the biceps tendon on sagittal mri: a new tool to identify anterior supraspinatus insertion injury
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/c7cd3a18dfc94ac6a252d27ef4a31871
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Distance between the supraspinatus and long head of the biceps tendon on sagittal MRI: a new tool to identify anterior supraspinatus insertion injury

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