Cargando…

Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder

The diagnostic value of ultrasonography (US) for frozen shoulder (FS) is not well established. This study aimed to assess the diagnostic value of US measurement of inferior joint capsule (IJC) thickness and evaluate changes in the thickness of the IJC by US depending on arm position. A total of 71 p...

Descripción completa

Detalles Bibliográficos
Autores principales: Lee, Jun-Gyu, Peo, Hyungsun, Cho, Jang-Hyuk, Cho, Chul-Hyun, Kim, Don-Kyu, Kim, Du-Hwan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8158117/
https://www.ncbi.nlm.nih.gov/pubmed/34070046
http://dx.doi.org/10.3390/diagnostics11050898
_version_ 1783699816259256320
author Lee, Jun-Gyu
Peo, Hyungsun
Cho, Jang-Hyuk
Cho, Chul-Hyun
Kim, Don-Kyu
Kim, Du-Hwan
author_facet Lee, Jun-Gyu
Peo, Hyungsun
Cho, Jang-Hyuk
Cho, Chul-Hyun
Kim, Don-Kyu
Kim, Du-Hwan
author_sort Lee, Jun-Gyu
collection PubMed
description The diagnostic value of ultrasonography (US) for frozen shoulder (FS) is not well established. This study aimed to assess the diagnostic value of US measurement of inferior joint capsule (IJC) thickness and evaluate changes in the thickness of the IJC by US depending on arm position. A total of 71 patients with clinically diagnosed unilateral FS who underwent bilateral US measurement of the IJC were enrolled in this study. The US measurement of the IJC was performed with a linear transducer positioned around the anterior axillary line with the shoulder 40° abducted and with neutral rotation of the glenohumeral joint (neutral position). We also measured the IJC thickness in the externally rotated and internally rotated positions with the shoulder 40° abducted. In the neutral position, as well as in the internally rotated and externally rotated positions, the thickness of the IJC on US was significantly higher in the affected shoulder than that in the unaffected shoulder (all p < 0.001). On both the affected and unaffected sides, the US thickness of the IJC in the neutral position was significantly higher than that in the externally rotated position (p < 0.001), but lower than that in the internally rotated position (p < 0.001). Regarding IJC thickness in the neutral position, a 3.2-mm cutoff value yielded the highest diagnostic accuracy for FS, with a sensitivity and specificity of 73.2% and 77.5%, respectively. The area under the curve for IJC thickness was 0.824 (95% confidence interval, 0.76–0.89). US measurement of the IJC in the neutral position yielded good diagnostic accuracy for FS. Because IJC thickness is affected by arm rotation, it is important to measure the IJC thickness in a standardized posture to ensure diagnostic value.
format Online
Article
Text
id pubmed-8158117
institution National Center for Biotechnology Information
language English
publishDate 2021
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-81581172021-05-28 Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder Lee, Jun-Gyu Peo, Hyungsun Cho, Jang-Hyuk Cho, Chul-Hyun Kim, Don-Kyu Kim, Du-Hwan Diagnostics (Basel) Article The diagnostic value of ultrasonography (US) for frozen shoulder (FS) is not well established. This study aimed to assess the diagnostic value of US measurement of inferior joint capsule (IJC) thickness and evaluate changes in the thickness of the IJC by US depending on arm position. A total of 71 patients with clinically diagnosed unilateral FS who underwent bilateral US measurement of the IJC were enrolled in this study. The US measurement of the IJC was performed with a linear transducer positioned around the anterior axillary line with the shoulder 40° abducted and with neutral rotation of the glenohumeral joint (neutral position). We also measured the IJC thickness in the externally rotated and internally rotated positions with the shoulder 40° abducted. In the neutral position, as well as in the internally rotated and externally rotated positions, the thickness of the IJC on US was significantly higher in the affected shoulder than that in the unaffected shoulder (all p < 0.001). On both the affected and unaffected sides, the US thickness of the IJC in the neutral position was significantly higher than that in the externally rotated position (p < 0.001), but lower than that in the internally rotated position (p < 0.001). Regarding IJC thickness in the neutral position, a 3.2-mm cutoff value yielded the highest diagnostic accuracy for FS, with a sensitivity and specificity of 73.2% and 77.5%, respectively. The area under the curve for IJC thickness was 0.824 (95% confidence interval, 0.76–0.89). US measurement of the IJC in the neutral position yielded good diagnostic accuracy for FS. Because IJC thickness is affected by arm rotation, it is important to measure the IJC thickness in a standardized posture to ensure diagnostic value. MDPI 2021-05-18 /pmc/articles/PMC8158117/ /pubmed/34070046 http://dx.doi.org/10.3390/diagnostics11050898 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Lee, Jun-Gyu
Peo, Hyungsun
Cho, Jang-Hyuk
Cho, Chul-Hyun
Kim, Don-Kyu
Kim, Du-Hwan
Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder
title Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder
title_full Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder
title_fullStr Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder
title_full_unstemmed Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder
title_short Dynamic Ultrasonographic Measurement of Inferior Joint Capsule Thickness in Patients with Unilateral Frozen Shoulder
title_sort dynamic ultrasonographic measurement of inferior joint capsule thickness in patients with unilateral frozen shoulder
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8158117/
https://www.ncbi.nlm.nih.gov/pubmed/34070046
http://dx.doi.org/10.3390/diagnostics11050898
work_keys_str_mv AT leejungyu dynamicultrasonographicmeasurementofinferiorjointcapsulethicknessinpatientswithunilateralfrozenshoulder
AT peohyungsun dynamicultrasonographicmeasurementofinferiorjointcapsulethicknessinpatientswithunilateralfrozenshoulder
AT chojanghyuk dynamicultrasonographicmeasurementofinferiorjointcapsulethicknessinpatientswithunilateralfrozenshoulder
AT chochulhyun dynamicultrasonographicmeasurementofinferiorjointcapsulethicknessinpatientswithunilateralfrozenshoulder
AT kimdonkyu dynamicultrasonographicmeasurementofinferiorjointcapsulethicknessinpatientswithunilateralfrozenshoulder
AT kimduhwan dynamicultrasonographicmeasurementofinferiorjointcapsulethicknessinpatientswithunilateralfrozenshoulder