Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample

SUMMARY: Glenoid fossa bone loss has been associated with recurrence and failure after glenoid labrum repair for shoulder instability. Quantification of glenoid fossa bone loss is critical for the successful treatment of glenohumeral instability. The aim of this paper was to estimate a linear regres...

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Autores principales:	Contreras,Julio, Ogrodnik,Claus, Khek,Pablo
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	Shoulder joint Glenoid fossa Anatomy Shoulder dislocation
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501487
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spelling	oai:scielo:S0717-950220210005014872021-10-19Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean SampleContreras,JulioOgrodnik,ClausKhek,Pablo Shoulder joint Glenoid fossa Anatomy Shoulder dislocation SUMMARY: Glenoid fossa bone loss has been associated with recurrence and failure after glenoid labrum repair for shoulder instability. Quantification of glenoid fossa bone loss is critical for the successful treatment of glenohumeral instability. The aim of this paper was to estimate a linear regression model based on glenoid height in CT scan adjusted for age and sex to calculate glenoid fossa width in a healthy Chilean sample. CT scans of 101 shoulders were reviewed. The mean age was 51.96 years (SD 19.16; range, 15-88 years) with 53 females and 48 male patients. Studies with signs of bone loss, instability, fracture, or arthritis were excluded. After 3D-CT reconstruction, the height and width of each glenoid fossa was measured using the Owens methodology. All landmarks for the 2 measurements were placed on the most lateral surface of the glenoid fossa margin. Measurements for all shoulders were recorded by 3 observers and repeated on a subset (n = 20) of shoulders, under blinded conditions, by the same observer, at least 2 weeks after the initial measurements. Descriptive statistics, intraclass correlation and regression coefficients were calculated with Stata BE 17® software. A p- value of 0.05 was considered significant. A linear regression model was estimated resulting in the formula “Width = 10.97 + 0.02 * Age + 0.41 * Height - 1.95 * Sex (1=Female, 0=Male)”. This model presented all coefficients with p <0.05 and an adjusted R2 of 0.73. Furthermore, it fulfilled the assumption of linearity, normal distribution of errors, independence of errors, and homoscedasticity. Regarding the intraobserver correlation, ICC was 0.76 for height and 0.91 for width; the interobserver ICC was 0.93 for height and 0.86 for width. A 3D-CT specific formula was developed to predict glenoid fossa width based on height with sufficient accuracy to be clinically valuable.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.39 n.5 20212021-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501487en10.4067/S0717-95022021000501487
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Shoulder joint Glenoid fossa Anatomy Shoulder dislocation
spellingShingle	Shoulder joint Glenoid fossa Anatomy Shoulder dislocation Contreras,Julio Ogrodnik,Claus Khek,Pablo Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample
description	SUMMARY: Glenoid fossa bone loss has been associated with recurrence and failure after glenoid labrum repair for shoulder instability. Quantification of glenoid fossa bone loss is critical for the successful treatment of glenohumeral instability. The aim of this paper was to estimate a linear regression model based on glenoid height in CT scan adjusted for age and sex to calculate glenoid fossa width in a healthy Chilean sample. CT scans of 101 shoulders were reviewed. The mean age was 51.96 years (SD 19.16; range, 15-88 years) with 53 females and 48 male patients. Studies with signs of bone loss, instability, fracture, or arthritis were excluded. After 3D-CT reconstruction, the height and width of each glenoid fossa was measured using the Owens methodology. All landmarks for the 2 measurements were placed on the most lateral surface of the glenoid fossa margin. Measurements for all shoulders were recorded by 3 observers and repeated on a subset (n = 20) of shoulders, under blinded conditions, by the same observer, at least 2 weeks after the initial measurements. Descriptive statistics, intraclass correlation and regression coefficients were calculated with Stata BE 17® software. A p- value of 0.05 was considered significant. A linear regression model was estimated resulting in the formula “Width = 10.97 + 0.02 * Age + 0.41 * Height - 1.95 * Sex (1=Female, 0=Male)”. This model presented all coefficients with p <0.05 and an adjusted R2 of 0.73. Furthermore, it fulfilled the assumption of linearity, normal distribution of errors, independence of errors, and homoscedasticity. Regarding the intraobserver correlation, ICC was 0.76 for height and 0.91 for width; the interobserver ICC was 0.93 for height and 0.86 for width. A 3D-CT specific formula was developed to predict glenoid fossa width based on height with sufficient accuracy to be clinically valuable.
author	Contreras,Julio Ogrodnik,Claus Khek,Pablo
author_facet	Contreras,Julio Ogrodnik,Claus Khek,Pablo
author_sort	Contreras,Julio
title	Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample
title_short	Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample
title_full	Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample
title_fullStr	Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample
title_full_unstemmed	Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample
title_sort	estimating glenoid fossa width for instability - related bone loss with ct scan in a chilean sample
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501487
work_keys_str_mv	AT contrerasjulio estimatingglenoidfossawidthforinstabilityrelatedbonelosswithctscaninachileansample AT ogrodnikclaus estimatingglenoidfossawidthforinstabilityrelatedbonelosswithctscaninachileansample AT khekpablo estimatingglenoidfossawidthforinstabilityrelatedbonelosswithctscaninachileansample
_version_	1718445219262758912

Estimating Glenoid Fossa width for Instability - related Bone loss with CT Scan in a Chilean Sample

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