Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study

James Lalloo,1 Pawan Gupta2 1Department of Anaesthesia, Airedale NHS Foundation Trust, Steeton, West Yorkshire, UK; 2Department of Anaesthesia, Leeds Teaching Hospitals Trust, Leeds, West Yorkshire, UKCorrespondence: James Lalloo Email Jlalloo@doctors.org.ukBackground and Objectives: Studies demonst...

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Autores principales:	Lalloo J, Gupta P
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	brachial plexus ultrasound anatomy regional anaesthesia Anesthesiology RD78.3-87.3
Acceso en línea:	https://doaj.org/article/a9d8b0adee074b42bc58190c070481c5
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spelling	oai:doaj.org-article:a9d8b0adee074b42bc58190c070481c52021-11-21T19:08:51ZRelationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study1178-7112https://doaj.org/article/a9d8b0adee074b42bc58190c070481c52021-11-01T00:00:00Zhttps://www.dovepress.com/relationship-between-gender-age-bmi-and-side-of-body-on-the-size-and-p-peer-reviewed-fulltext-article-LRAhttps://doaj.org/toc/1178-7112James Lalloo,1 Pawan Gupta2 1Department of Anaesthesia, Airedale NHS Foundation Trust, Steeton, West Yorkshire, UK; 2Department of Anaesthesia, Leeds Teaching Hospitals Trust, Leeds, West Yorkshire, UKCorrespondence: James Lalloo Email Jlalloo@doctors.org.ukBackground and Objectives: Studies demonstrate variations in the size and position of the nerves in the brachial plexus. The objective of this pilot study was to determine the effect of age, gender, BMI and side of body on the size and position of these nerves and to determine the feasibility of a further study.Methods: Twenty healthy volunteers were recruited. The ultrasound position of the nerves was confirmed by a dynamic scan. The size of the nerves was calculated using the freehand calliper tool. A graph was designed to study the position of the nerves. ImageJ was used to analyse the position of the nerves. Student’s t-tests were carried out to compare the gender and side of arm with the size of the nerve. Pearson’s correlation coefficients were calculated to determine the correlation between BMI and age with the size of the nerves. The position of the nerves was compared between male and female, and left and right sides of the body.Results: The mean size of the median nerve, musculocutaneous nerve, radial nerve and ulnar nerve was 0.099, 0.032, 0.179 and 0.076 cm2 (males) and 0.091, 0.022, 0.128 and 0.026 cm2 (females), respectively. There were significant differences between the size of nerves and gender in the musculocutaneous, radial and ulnar nerves (P < 0.05). The correlations between the sizes of the nerves with BMI and age were not significant. The position of the radial nerves was found to be variable within the same genders and between males and females. The position of the nerves was variable between the left and right hand side.Conclusion: The position and size of brachial plexus branches in axilla is very variable. This pilot study highlights the need for further research with larger sample sizes to fully understand the extent and implication of this variability.Keywords: brachial plexus, ultrasound, anatomy, regional anaesthesiaLalloo JGupta PDove Medical Pressarticlebrachial plexusultrasoundanatomyregional anaesthesiaAnesthesiologyRD78.3-87.3ENLocal and Regional Anesthesia, Vol Volume 14, Pp 161-166 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	brachial plexus ultrasound anatomy regional anaesthesia Anesthesiology RD78.3-87.3
spellingShingle	brachial plexus ultrasound anatomy regional anaesthesia Anesthesiology RD78.3-87.3 Lalloo J Gupta P Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study
description	James Lalloo,1 Pawan Gupta2 1Department of Anaesthesia, Airedale NHS Foundation Trust, Steeton, West Yorkshire, UK; 2Department of Anaesthesia, Leeds Teaching Hospitals Trust, Leeds, West Yorkshire, UKCorrespondence: James Lalloo Email Jlalloo@doctors.org.ukBackground and Objectives: Studies demonstrate variations in the size and position of the nerves in the brachial plexus. The objective of this pilot study was to determine the effect of age, gender, BMI and side of body on the size and position of these nerves and to determine the feasibility of a further study.Methods: Twenty healthy volunteers were recruited. The ultrasound position of the nerves was confirmed by a dynamic scan. The size of the nerves was calculated using the freehand calliper tool. A graph was designed to study the position of the nerves. ImageJ was used to analyse the position of the nerves. Student’s t-tests were carried out to compare the gender and side of arm with the size of the nerve. Pearson’s correlation coefficients were calculated to determine the correlation between BMI and age with the size of the nerves. The position of the nerves was compared between male and female, and left and right sides of the body.Results: The mean size of the median nerve, musculocutaneous nerve, radial nerve and ulnar nerve was 0.099, 0.032, 0.179 and 0.076 cm2 (males) and 0.091, 0.022, 0.128 and 0.026 cm2 (females), respectively. There were significant differences between the size of nerves and gender in the musculocutaneous, radial and ulnar nerves (P < 0.05). The correlations between the sizes of the nerves with BMI and age were not significant. The position of the radial nerves was found to be variable within the same genders and between males and females. The position of the nerves was variable between the left and right hand side.Conclusion: The position and size of brachial plexus branches in axilla is very variable. This pilot study highlights the need for further research with larger sample sizes to fully understand the extent and implication of this variability.Keywords: brachial plexus, ultrasound, anatomy, regional anaesthesia
format	article
author	Lalloo J Gupta P
author_facet	Lalloo J Gupta P
author_sort	Lalloo J
title	Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study
title_short	Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study
title_full	Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study
title_fullStr	Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study
title_full_unstemmed	Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study
title_sort	relationship between gender, age, bmi and side of body on the size and position of nerves of the brachial plexus in axilla: pilot study
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/a9d8b0adee074b42bc58190c070481c5
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Relationship Between Gender, Age, BMI and Side of Body on the Size and Position of Nerves of the Brachial Plexus in Axilla: Pilot Study

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