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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/4063

Title: Usefulness of ultrasound in diagnosing long head of the biceps tendon malposition in patients with rotator cuff tears.
Other Titles: 腱板断裂患者の上腕二頭筋腱長頭位置異常の診断における超音波診断の有用性
Authors: Fujiwara, Yoshiko
Yamamoto, Syuichi
Kato, Yumi
Kurata, Shimpei
Fujii, Shuhei
Inoue, Kazuya
Inoue, Takashi
Mondori, Takamitsu
Nakagawa, Yoshiyuki
Tanaka, Yasuhito
Keywords: Shoulder ultrasonography
Long head of the biceps tendon
Intraoperative subscapularis tear
Issue Date: Apr-2022
Publisher: Springer Nature
Citation: Journal of medical ultrasonics Vol.49 No.2 p.289-295 (2022 Apr)
Abstract: Purpose: This study aimed to determine the role of preoperative shoulder ultrasonography (SUS) in detecting positional abnormalities of the long head of the biceps tendon (LHBT) and predicting subscapularis (SSC) tears in patients with rotator cuff injuries. Methods: A total of 331 patients (365 shoulders) who had undergone arthroscopic shoulder surgery for the treatment of rotator cuff tears were included in the study. Their preoperative SUS and magnetic resonance imaging (MRI) findings were examined retrospectively to assess the presence of LHBT abnormalities at the bicipital groove. Using arthroscopic findings as the standard of reference, the sensitivity, specificity, and diagnostic accuracy of SUS and MRI were calculated for detection of LHBT malposition. Furthermore, the correlation between SSC rupture and preoperative LHBT condition was evaluated by MRI and SUS. Results: LHBT malposition was preoperatively diagnosed with a sensitivity of 92%, specificity of 90%, and accuracy of 91% with SUS, and a sensitivity of 74%, specificity of 84%, and accuracy of 80% with MRI. Preoperative SUS was significantly superior to MRI in terms of sensitivity, specificity, and accuracy (p < 0.001 each). Further, the preoperative SUS LHBT findings could predict well the presence or absence of intraoperative SSC rupture (odds ratio: 1.73, p < 0.001). Conclusion: SUS is a useful diagnostic modality for preoperative detection of LHBT malposition and prediction of SSC tears in patients with rotator cuff tears.
Description: 博士(医学)・甲第842号・令和4年6月29日
© 2022. The Author(s), under exclusive licence to The Japan Society of Ultrasonics in Medicine.
This is a post-peer-review, pre-copyedit version of an article published in Journal of medical ultrasonics. The final authenticated version is available online at: https://doi.org/10.1007/s10396-022-01200-y.
URI: http://hdl.handle.net/10564/4063
ISSN: 13464523
DOI: https://doi.org/10.1007/s10396-022-01200-y
Academic Degrees and number: 24601A842
Degree-granting date: 2022-06-29
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2022年度

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