Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.

Critical shoulder angle (CSA) is the angle between the superior and inferior bone margins of the glenoid and the most lateral border of the acromion and is potentially affected during a rotator cuff tear (RCT). Acromioplasty is generally performed to rectify the anatomy of the acromion during RCT re...

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Autores principales:	Che-Li Lin, Li-Fong Lin, Tzu-Herng Hsu, Lien-Chieh Lin, Chueh-Ho Lin, Shih-Wei Huang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5db74d82426c43669d8b2c15e3fcb629
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spelling	oai:doaj.org-article:5db74d82426c43669d8b2c15e3fcb6292021-12-02T20:15:45ZAcromioplasty reduces critical shoulder angle in patients with rotator cuff tear.1932-620310.1371/journal.pone.0253282https://doaj.org/article/5db74d82426c43669d8b2c15e3fcb6292021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253282https://doaj.org/toc/1932-6203Critical shoulder angle (CSA) is the angle between the superior and inferior bone margins of the glenoid and the most lateral border of the acromion and is potentially affected during a rotator cuff tear (RCT). Acromioplasty is generally performed to rectify the anatomy of the acromion during RCT repair surgery. However, limited information is available regarding the changes in the CSA after anterolateral acromioplasty. We hypothesized that CSA can be decreased after anterolateral acromioplasty. Data were retrospectively collected from 712 patients with RCTs and underwent arthroscopic rotator cuff repair between January 2012 and December 2018, of which 337 patients were included in the study. The presurgical and postsurgical CSA were then determined and compared using a paired samples t test. Because previous study mentioned CSA more than 38 degrees were at risk of rotator cuff re-tear, patients were segregated into two groups: CSA < 38° and CSA ≥ 38°; these groups were compared using an independent-samples t test. These 337 participants (160 male and 177 female) presented a CSA of 38.4° ± 6.0° before anterolateral acromioplasty, which significantly decreased to 35.8° ± 5.9° after surgery (P < .05). Before surgery, 172 patients were present in the CSA ≥ 38° group and 57 were preset in the CSA < 38° group after surgery. The CSA decreased significantly in the CSA ≥ 38° group rather than in the CSA < 38° group (P < .05). In conclusion, the CSA can be effectively decreased through anterolateral acromioplasty, and this reduction in the CSA is more significant among individuals with CSA ≥ 38° than among those with CSA < 38°, indicating that acromioplasty is recommended along with RCT repair especially among individuals with a wide presurgical CSA.Che-Li LinLi-Fong LinTzu-Herng HsuLien-Chieh LinChueh-Ho LinShih-Wei HuangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0253282 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Che-Li Lin Li-Fong Lin Tzu-Herng Hsu Lien-Chieh Lin Chueh-Ho Lin Shih-Wei Huang Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
description	Critical shoulder angle (CSA) is the angle between the superior and inferior bone margins of the glenoid and the most lateral border of the acromion and is potentially affected during a rotator cuff tear (RCT). Acromioplasty is generally performed to rectify the anatomy of the acromion during RCT repair surgery. However, limited information is available regarding the changes in the CSA after anterolateral acromioplasty. We hypothesized that CSA can be decreased after anterolateral acromioplasty. Data were retrospectively collected from 712 patients with RCTs and underwent arthroscopic rotator cuff repair between January 2012 and December 2018, of which 337 patients were included in the study. The presurgical and postsurgical CSA were then determined and compared using a paired samples t test. Because previous study mentioned CSA more than 38 degrees were at risk of rotator cuff re-tear, patients were segregated into two groups: CSA < 38° and CSA ≥ 38°; these groups were compared using an independent-samples t test. These 337 participants (160 male and 177 female) presented a CSA of 38.4° ± 6.0° before anterolateral acromioplasty, which significantly decreased to 35.8° ± 5.9° after surgery (P < .05). Before surgery, 172 patients were present in the CSA ≥ 38° group and 57 were preset in the CSA < 38° group after surgery. The CSA decreased significantly in the CSA ≥ 38° group rather than in the CSA < 38° group (P < .05). In conclusion, the CSA can be effectively decreased through anterolateral acromioplasty, and this reduction in the CSA is more significant among individuals with CSA ≥ 38° than among those with CSA < 38°, indicating that acromioplasty is recommended along with RCT repair especially among individuals with a wide presurgical CSA.
format	article
author	Che-Li Lin Li-Fong Lin Tzu-Herng Hsu Lien-Chieh Lin Chueh-Ho Lin Shih-Wei Huang
author_facet	Che-Li Lin Li-Fong Lin Tzu-Herng Hsu Lien-Chieh Lin Chueh-Ho Lin Shih-Wei Huang
author_sort	Che-Li Lin
title	Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
title_short	Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
title_full	Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
title_fullStr	Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
title_full_unstemmed	Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
title_sort	acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/5db74d82426c43669d8b2c15e3fcb629
work_keys_str_mv	AT chelilin acromioplastyreducescriticalshoulderangleinpatientswithrotatorcufftear AT lifonglin acromioplastyreducescriticalshoulderangleinpatientswithrotatorcufftear AT tzuhernghsu acromioplastyreducescriticalshoulderangleinpatientswithrotatorcufftear AT lienchiehlin acromioplastyreducescriticalshoulderangleinpatientswithrotatorcufftear AT chuehholin acromioplastyreducescriticalshoulderangleinpatientswithrotatorcufftear AT shihweihuang acromioplastyreducescriticalshoulderangleinpatientswithrotatorcufftear
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Acromioplasty reduces critical shoulder angle in patients with rotator cuff tear.

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