Cargando…
The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms
BACKGROUND: We investigated the differences in the prevalence of ulnar nerve instability (UNI) by hand dominance and evaluated the relationship between UNI and morphologic changes in the ulnar nerve and the clinical findings and upper limb function. METHODS: This study examined 153 healthy participa...
Autores principales: | , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2021
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8411065/ https://www.ncbi.nlm.nih.gov/pubmed/34505110 http://dx.doi.org/10.1016/j.jseint.2021.05.005 |
_version_ | 1783747228888727552 |
---|---|
author | Endo, Fumitaka Tajika, Tsuyoshi Kuboi, Takuro Shinagawa, Satoshi Tsukui, Toshiki Nakajima, Tomoki Kogure, Yusuke Chikuda, Hirotaka |
author_facet | Endo, Fumitaka Tajika, Tsuyoshi Kuboi, Takuro Shinagawa, Satoshi Tsukui, Toshiki Nakajima, Tomoki Kogure, Yusuke Chikuda, Hirotaka |
author_sort | Endo, Fumitaka |
collection | PubMed |
description | BACKGROUND: We investigated the differences in the prevalence of ulnar nerve instability (UNI) by hand dominance and evaluated the relationship between UNI and morphologic changes in the ulnar nerve and the clinical findings and upper limb function. METHODS: This study examined 153 healthy participants (n = 306 elbows; 44 men, 112 women; mean age 65.4 years) who underwent ultrasonography to assess the ulnar nerve cross-sectional area (UNCSA) at three points of the bilateral cubital tunnel at 30° of elbow flexion. Participants were divided into three groups based on the ultrasonography findings of UNI: no instability (type N), subluxation (type S), and dislocation (type D). For the dominant and nondominant sides, we assessed the relationship between the UNCSA and clinical factors, including the age, gender, height, weight, body mass index, fat mass, grip strength, key pinch strength, UNCSA, and Patient-Rated Elbow Evaluation score. RESULTS: We identified 75 cases without instability in both elbows and 78 cases with some instability. The prevalence of UNI was 51%. No significant difference was found between hand dominance and the prevalence of UNI. The UNCSA at 1 cm proximal to the medial epicondyle on the bilateral sides in type S was the most increased among three types. CONCLUSION: UNI was identified in almost half of the participants, with no marked difference found in the hand dominance. The UNCSA at 1 cm proximal to the medial epicondyle was significantly increased the most in type S. UNI does not appear to be associated with elbow symptoms in the general population. |
format | Online Article Text |
id | pubmed-8411065 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-84110652021-09-08 The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms Endo, Fumitaka Tajika, Tsuyoshi Kuboi, Takuro Shinagawa, Satoshi Tsukui, Toshiki Nakajima, Tomoki Kogure, Yusuke Chikuda, Hirotaka JSES Int Elbow BACKGROUND: We investigated the differences in the prevalence of ulnar nerve instability (UNI) by hand dominance and evaluated the relationship between UNI and morphologic changes in the ulnar nerve and the clinical findings and upper limb function. METHODS: This study examined 153 healthy participants (n = 306 elbows; 44 men, 112 women; mean age 65.4 years) who underwent ultrasonography to assess the ulnar nerve cross-sectional area (UNCSA) at three points of the bilateral cubital tunnel at 30° of elbow flexion. Participants were divided into three groups based on the ultrasonography findings of UNI: no instability (type N), subluxation (type S), and dislocation (type D). For the dominant and nondominant sides, we assessed the relationship between the UNCSA and clinical factors, including the age, gender, height, weight, body mass index, fat mass, grip strength, key pinch strength, UNCSA, and Patient-Rated Elbow Evaluation score. RESULTS: We identified 75 cases without instability in both elbows and 78 cases with some instability. The prevalence of UNI was 51%. No significant difference was found between hand dominance and the prevalence of UNI. The UNCSA at 1 cm proximal to the medial epicondyle on the bilateral sides in type S was the most increased among three types. CONCLUSION: UNI was identified in almost half of the participants, with no marked difference found in the hand dominance. The UNCSA at 1 cm proximal to the medial epicondyle was significantly increased the most in type S. UNI does not appear to be associated with elbow symptoms in the general population. Elsevier 2021-07-08 /pmc/articles/PMC8411065/ /pubmed/34505110 http://dx.doi.org/10.1016/j.jseint.2021.05.005 Text en © 2021 Published by Elsevier Inc. on behalf of American Shoulder and Elbow Surgeons. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Elbow Endo, Fumitaka Tajika, Tsuyoshi Kuboi, Takuro Shinagawa, Satoshi Tsukui, Toshiki Nakajima, Tomoki Kogure, Yusuke Chikuda, Hirotaka The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
title | The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
title_full | The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
title_fullStr | The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
title_full_unstemmed | The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
title_short | The ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in Japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
title_sort | ultrasonographic assessment of the morphologic changes in the ulnar nerve at the cubital tunnel in japanese volunteers: relationship between dynamic ulnar nerve instability and clinical symptoms |
topic | Elbow |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8411065/ https://www.ncbi.nlm.nih.gov/pubmed/34505110 http://dx.doi.org/10.1016/j.jseint.2021.05.005 |
work_keys_str_mv | AT endofumitaka theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT tajikatsuyoshi theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT kuboitakuro theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT shinagawasatoshi theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT tsukuitoshiki theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT nakajimatomoki theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT kogureyusuke theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT chikudahirotaka theultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT endofumitaka ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT tajikatsuyoshi ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT kuboitakuro ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT shinagawasatoshi ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT tsukuitoshiki ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT nakajimatomoki ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT kogureyusuke ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms AT chikudahirotaka ultrasonographicassessmentofthemorphologicchangesintheulnarnerveatthecubitaltunnelinjapanesevolunteersrelationshipbetweendynamiculnarnerveinstabilityandclinicalsymptoms |