Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens

SUMMARY: The Torg-Pavlov ratio is a method used to detect cervical stenosis. A Torg-Pavlov ratio ≤0.80 suggests significant stenosis. This ratio is obtained by dividing the anteroposterior diameter of the cervical canal by the anteroposterior diameter of the vertebral body. The aim of this...

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Autores principales:	Morales-Avalos,Rodolfo, Martínez-González,Brenda, Villarreal-Garcia,Francisco Ismael, Requena-Araujo,Priscila Madelein, Martínez-Gutiérrez,Oscar Armando, Reyes-Fernández,Pedro Martín, Peña-Martínez,Víctor Manuel, Sánchez-Mejorada,Gabriela, Vílchez-Cavazos,Félix, Guzmán-López,Santos, Elizondo-Omaña,Rodrigo E.
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2018
Materias:	Cervical stenosis Cervical vertebrae Spinal canal Age groups Sex
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000200598
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spelling	oai:scielo:S0717-950220180002005982019-09-16Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric SpecimensMorales-Avalos,RodolfoMartínez-González,BrendaVillarreal-Garcia,Francisco IsmaelRequena-Araujo,Priscila MadeleinMartínez-Gutiérrez,Oscar ArmandoReyes-Fernández,Pedro MartínPeña-Martínez,Víctor ManuelSánchez-Mejorada,GabrielaVílchez-Cavazos,FélixGuzmán-López,SantosElizondo-Omaña,Rodrigo E. Cervical stenosis Cervical vertebrae Spinal canal Age groups Sex SUMMARY: The Torg-Pavlov ratio is a method used to detect cervical stenosis. A Torg-Pavlov ratio ≤0.80 suggests significant stenosis. This ratio is obtained by dividing the anteroposterior diameter of the cervical canal by the anteroposterior diameter of the vertebral body. The aim of this study was to evaluate these parameters and determine if there are significant differences with respect to sex and age. This is an anatomical and comparative study in which 1020 cervical vertebrae from C2-C7 from an osteological collection were evaluated. We determined the anteroposterior diameter from the vertebral body, the anteroposterior diameter from the vertebral canal and the Torg-Pavlov ratio. The pieces studied were divided into groups according to sex and age, resulting in six groups of study. A statistical analysis was made to determine the significance of the differences between sex and age groups. The size of the vertebral body diminished form C2-C3 and increased from C4-C7. The canal diminished form C2-C4 and increased from C5-C7. The Torg-Pavlov ratio decreased from C2-C7. The body and the canal were higher in men, while the Torg-Pavlov ratio was higher in women. With age, in men, the size of the body increased, the canal maintained its size, and the Torg-Pavlov ratio diminished significantly. In the group of women ≥60 years, the size of the body decreased, and the canal and the Torg-Pavlov ratio increased. In men, the Torg-Pavlov ratio is determined by the vertebral body and canal, because these did not show differences in most of the age groups. While in women, it is determined mostly by the spinal canal because it presented more variability between the age groups.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.36 n.2 20182018-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000200598en10.4067/S0717-95022018000200598
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Cervical stenosis Cervical vertebrae Spinal canal Age groups Sex
spellingShingle	Cervical stenosis Cervical vertebrae Spinal canal Age groups Sex Morales-Avalos,Rodolfo Martínez-González,Brenda Villarreal-Garcia,Francisco Ismael Requena-Araujo,Priscila Madelein Martínez-Gutiérrez,Oscar Armando Reyes-Fernández,Pedro Martín Peña-Martínez,Víctor Manuel Sánchez-Mejorada,Gabriela Vílchez-Cavazos,Félix Guzmán-López,Santos Elizondo-Omaña,Rodrigo E. Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens
description	SUMMARY: The Torg-Pavlov ratio is a method used to detect cervical stenosis. A Torg-Pavlov ratio ≤0.80 suggests significant stenosis. This ratio is obtained by dividing the anteroposterior diameter of the cervical canal by the anteroposterior diameter of the vertebral body. The aim of this study was to evaluate these parameters and determine if there are significant differences with respect to sex and age. This is an anatomical and comparative study in which 1020 cervical vertebrae from C2-C7 from an osteological collection were evaluated. We determined the anteroposterior diameter from the vertebral body, the anteroposterior diameter from the vertebral canal and the Torg-Pavlov ratio. The pieces studied were divided into groups according to sex and age, resulting in six groups of study. A statistical analysis was made to determine the significance of the differences between sex and age groups. The size of the vertebral body diminished form C2-C3 and increased from C4-C7. The canal diminished form C2-C4 and increased from C5-C7. The Torg-Pavlov ratio decreased from C2-C7. The body and the canal were higher in men, while the Torg-Pavlov ratio was higher in women. With age, in men, the size of the body increased, the canal maintained its size, and the Torg-Pavlov ratio diminished significantly. In the group of women ≥60 years, the size of the body decreased, and the canal and the Torg-Pavlov ratio increased. In men, the Torg-Pavlov ratio is determined by the vertebral body and canal, because these did not show differences in most of the age groups. While in women, it is determined mostly by the spinal canal because it presented more variability between the age groups.
author	Morales-Avalos,Rodolfo Martínez-González,Brenda Villarreal-Garcia,Francisco Ismael Requena-Araujo,Priscila Madelein Martínez-Gutiérrez,Oscar Armando Reyes-Fernández,Pedro Martín Peña-Martínez,Víctor Manuel Sánchez-Mejorada,Gabriela Vílchez-Cavazos,Félix Guzmán-López,Santos Elizondo-Omaña,Rodrigo E.
author_facet	Morales-Avalos,Rodolfo Martínez-González,Brenda Villarreal-Garcia,Francisco Ismael Requena-Araujo,Priscila Madelein Martínez-Gutiérrez,Oscar Armando Reyes-Fernández,Pedro Martín Peña-Martínez,Víctor Manuel Sánchez-Mejorada,Gabriela Vílchez-Cavazos,Félix Guzmán-López,Santos Elizondo-Omaña,Rodrigo E.
author_sort	Morales-Avalos,Rodolfo
title	Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens
title_short	Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens
title_full	Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens
title_fullStr	Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens
title_full_unstemmed	Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens
title_sort	variations in the torg-pavlov cervical ratio with regard to age and sex. a comprehensive anatomical and morphometric study on contemporary cadaveric specimens
publisher	Sociedad Chilena de Anatomía
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000200598
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Variations in the Torg-Pavlov Cervical Ratio with Regard to Age and Sex. A Comprehensive Anatomical and Morphometric Study on Contemporary Cadaveric Specimens

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