Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography

Detalhes bibliográficos
Autor(a) principal: Freitas, Luiz Fernando Pinheiro de
Data de Publicação: 2010
Outros Autores: Barbieri, Cláudio Henrique, Mazzer, Nilton, Zatiti, Salomão Chade Assan, Bellucci, Ângela Delete, Nogueira-Barbosa, Marcello Henrique
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Clinics
Texto Completo: https://www.revistas.usp.br/clinics/article/view/18486
Resumo: OBJECTIVE: To evaluate the intraobserver and interobserver reliability of radial torsion angle measurement using computed tomography. METHODS: Twelve pairs of cadaver radii and 116 forearms from 58 healthy volunteers were evaluated using axial computed tomography sections measured at the level of the bicipital tuberosity and the subchondral region of the radius. During digital imaging, the angle was formed by two lines, one diametrically perpendicular to the radial tubercle and the other tangential to the volar rim of the distal joint surface. Measurements were performed twice each by three observers. RESULTS: In cadaveric bones, the mean radial torsion angle was 1.48º (-6º - 9º) on the right and 1.62º (-6 º - 8º) on the left, with a mean difference between the right and left sides of 1.61º (0º - 8º). In volunteers, the mean radial torsion angle was 3.00° (-17° - 17°) on the right and 2.91° (-16°- 15°) on the left, with a mean difference between the sides of 1.58º (0º - 7º). There was no significant difference between each side. The interobserver correlation coefficient for the cadaver radii measurements was 0.88 (0.72 - 0.96) and 0.81 (0.58 - 0.93) for the right and left radius, respectively, while for the volunteers, the difference was 0.84 (0.77 - 0.90) and 0.83 (0.75 - 0.89), respectively. Intraobserver reliability was high. CONCLUSION: The described method is reproducible and applicable even when the radial tubercle has a rounded contour.
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spelling Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography RadiusRotational deformityComputed tomographyRadial Torsion angleBone morphometry OBJECTIVE: To evaluate the intraobserver and interobserver reliability of radial torsion angle measurement using computed tomography. METHODS: Twelve pairs of cadaver radii and 116 forearms from 58 healthy volunteers were evaluated using axial computed tomography sections measured at the level of the bicipital tuberosity and the subchondral region of the radius. During digital imaging, the angle was formed by two lines, one diametrically perpendicular to the radial tubercle and the other tangential to the volar rim of the distal joint surface. Measurements were performed twice each by three observers. RESULTS: In cadaveric bones, the mean radial torsion angle was 1.48º (-6º - 9º) on the right and 1.62º (-6 º - 8º) on the left, with a mean difference between the right and left sides of 1.61º (0º - 8º). In volunteers, the mean radial torsion angle was 3.00° (-17° - 17°) on the right and 2.91° (-16°- 15°) on the left, with a mean difference between the sides of 1.58º (0º - 7º). There was no significant difference between each side. The interobserver correlation coefficient for the cadaver radii measurements was 0.88 (0.72 - 0.96) and 0.81 (0.58 - 0.93) for the right and left radius, respectively, while for the volunteers, the difference was 0.84 (0.77 - 0.90) and 0.83 (0.75 - 0.89), respectively. Intraobserver reliability was high. CONCLUSION: The described method is reproducible and applicable even when the radial tubercle has a rounded contour. Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo2010-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/clinics/article/view/1848610.1590/S1807-59322010001100006Clinics; Vol. 65 No. 11 (2010); 1093-1097 Clinics; v. 65 n. 11 (2010); 1093-1097 Clinics; Vol. 65 Núm. 11 (2010); 1093-1097 1980-53221807-5932reponame:Clinicsinstname:Universidade de São Paulo (USP)instacron:USPenghttps://www.revistas.usp.br/clinics/article/view/18486/20549Freitas, Luiz Fernando Pinheiro deBarbieri, Cláudio HenriqueMazzer, NiltonZatiti, Salomão Chade AssanBellucci, Ângela DeleteNogueira-Barbosa, Marcello Henriqueinfo:eu-repo/semantics/openAccess2012-05-23T11:26:52Zoai:revistas.usp.br:article/18486Revistahttps://www.revistas.usp.br/clinicsPUBhttps://www.revistas.usp.br/clinics/oai||clinics@hc.fm.usp.br1980-53221807-5932opendoar:2012-05-23T11:26:52Clinics - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
title Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
spellingShingle Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
Freitas, Luiz Fernando Pinheiro de
Radius
Rotational deformity
Computed tomography
Radial Torsion angle
Bone morphometry
title_short Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
title_full Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
title_fullStr Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
title_full_unstemmed Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
title_sort Intraobserver and interobserver reliability of radial torsion angle measurements by a new and alternative method with computed tomography
author Freitas, Luiz Fernando Pinheiro de
author_facet Freitas, Luiz Fernando Pinheiro de
Barbieri, Cláudio Henrique
Mazzer, Nilton
Zatiti, Salomão Chade Assan
Bellucci, Ângela Delete
Nogueira-Barbosa, Marcello Henrique
author_role author
author2 Barbieri, Cláudio Henrique
Mazzer, Nilton
Zatiti, Salomão Chade Assan
Bellucci, Ângela Delete
Nogueira-Barbosa, Marcello Henrique
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Freitas, Luiz Fernando Pinheiro de
Barbieri, Cláudio Henrique
Mazzer, Nilton
Zatiti, Salomão Chade Assan
Bellucci, Ângela Delete
Nogueira-Barbosa, Marcello Henrique
dc.subject.por.fl_str_mv Radius
Rotational deformity
Computed tomography
Radial Torsion angle
Bone morphometry
topic Radius
Rotational deformity
Computed tomography
Radial Torsion angle
Bone morphometry
description OBJECTIVE: To evaluate the intraobserver and interobserver reliability of radial torsion angle measurement using computed tomography. METHODS: Twelve pairs of cadaver radii and 116 forearms from 58 healthy volunteers were evaluated using axial computed tomography sections measured at the level of the bicipital tuberosity and the subchondral region of the radius. During digital imaging, the angle was formed by two lines, one diametrically perpendicular to the radial tubercle and the other tangential to the volar rim of the distal joint surface. Measurements were performed twice each by three observers. RESULTS: In cadaveric bones, the mean radial torsion angle was 1.48º (-6º - 9º) on the right and 1.62º (-6 º - 8º) on the left, with a mean difference between the right and left sides of 1.61º (0º - 8º). In volunteers, the mean radial torsion angle was 3.00° (-17° - 17°) on the right and 2.91° (-16°- 15°) on the left, with a mean difference between the sides of 1.58º (0º - 7º). There was no significant difference between each side. The interobserver correlation coefficient for the cadaver radii measurements was 0.88 (0.72 - 0.96) and 0.81 (0.58 - 0.93) for the right and left radius, respectively, while for the volunteers, the difference was 0.84 (0.77 - 0.90) and 0.83 (0.75 - 0.89), respectively. Intraobserver reliability was high. CONCLUSION: The described method is reproducible and applicable even when the radial tubercle has a rounded contour.
publishDate 2010
dc.date.none.fl_str_mv 2010-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.revistas.usp.br/clinics/article/view/18486
10.1590/S1807-59322010001100006
url https://www.revistas.usp.br/clinics/article/view/18486
identifier_str_mv 10.1590/S1807-59322010001100006
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.revistas.usp.br/clinics/article/view/18486/20549
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo
publisher.none.fl_str_mv Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo
dc.source.none.fl_str_mv Clinics; Vol. 65 No. 11 (2010); 1093-1097
Clinics; v. 65 n. 11 (2010); 1093-1097
Clinics; Vol. 65 Núm. 11 (2010); 1093-1097
1980-5322
1807-5932
reponame:Clinics
instname:Universidade de São Paulo (USP)
instacron:USP
instname_str Universidade de São Paulo (USP)
instacron_str USP
institution USP
reponame_str Clinics
collection Clinics
repository.name.fl_str_mv Clinics - Universidade de São Paulo (USP)
repository.mail.fl_str_mv ||clinics@hc.fm.usp.br
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