A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty

Javad Parvizi,1,2 Jessica R Benson,3 Jeffrey M Muir3 1Department of Orthopaedic Surgery, Thomas Jefferson University Hospital, College of Biomedical Science, Philadelphia, PA, USA; 2Orthopaedics, Rothman Institute, Philadelphia, PA, USA; 3Department of Clinical Research, Intellijoint Surgical, Water...

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Autores principales:	Parvizi J, Benson JR, Muir JM
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	Total hip arthroplasty computer-assisted navigation anterior approach accuracy anterior pelvic plane supine coronal plane Medical technology R855-855.5
Acceso en línea:	https://doaj.org/article/43c47ac7d20e49f88cd863faad90ba25
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spelling	oai:doaj.org-article:43c47ac7d20e49f88cd863faad90ba252021-12-02T02:31:34ZA new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty1179-1470https://doaj.org/article/43c47ac7d20e49f88cd863faad90ba252018-03-01T00:00:00Zhttps://www.dovepress.com/a-new-mini-navigation-tool-allows-accurate-component-placement-during--peer-reviewed-article-MDERhttps://doaj.org/toc/1179-1470Javad Parvizi,1,2 Jessica R Benson,3 Jeffrey M Muir3 1Department of Orthopaedic Surgery, Thomas Jefferson University Hospital, College of Biomedical Science, Philadelphia, PA, USA; 2Orthopaedics, Rothman Institute, Philadelphia, PA, USA; 3Department of Clinical Research, Intellijoint Surgical, Waterloo, ON, Canada Introduction: Computer-assisted navigation systems have been explored in total hip arthroplasty (THA) to improve component positioning. While these systems traditionally rely on anterior pelvic plane registration, variances in soft tissue thickness overlying anatomical landmarks can lead to registration error, and the supine coronal plane has instead been proposed. The purpose of this study was to evaluate the accuracy of a novel navigation tool, using registration of the anterior pelvic plane or supine coronal plane during simulated anterior THA. Methods: Measurements regarding the acetabular component position, and changes in leg length and offset were recorded. Benchtop phantoms and target measurement values commonly seen in surgery were used for analysis. Measurements for anteversion and inclination, and changes in leg length and offset were recorded by the navigation tool and compared with the known target value of the simulation. Pearson’s r assessed the relationship between the measurements of the device and the known target values. Results: The device accurately measured cup position and leg length measurements to within 1° and 1 mm of the known target values, respectively. Across all simulations, there was a strong, positive relationship between values obtained by the device and the known target values (r=0.99). Conclusion: The preliminary findings of this study suggest that the novel navigation tool tested is a potentially viable tool to improve the accuracy of component placement during THA using the anterior approach. Keywords: total hip arthroplasty, computer-assisted navigation, anterior approach, accuracy, anterior pelvic plane, supine coronal planeParvizi JBenson JRMuir JMDove Medical PressarticleTotal hip arthroplastycomputer-assisted navigationanterior approachaccuracyanterior pelvic planesupine coronal planeMedical technologyR855-855.5ENMedical Devices: Evidence and Research, Vol Volume 11, Pp 95-104 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Total hip arthroplasty computer-assisted navigation anterior approach accuracy anterior pelvic plane supine coronal plane Medical technology R855-855.5
spellingShingle	Total hip arthroplasty computer-assisted navigation anterior approach accuracy anterior pelvic plane supine coronal plane Medical technology R855-855.5 Parvizi J Benson JR Muir JM A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
description	Javad Parvizi,1,2 Jessica R Benson,3 Jeffrey M Muir3 1Department of Orthopaedic Surgery, Thomas Jefferson University Hospital, College of Biomedical Science, Philadelphia, PA, USA; 2Orthopaedics, Rothman Institute, Philadelphia, PA, USA; 3Department of Clinical Research, Intellijoint Surgical, Waterloo, ON, Canada Introduction: Computer-assisted navigation systems have been explored in total hip arthroplasty (THA) to improve component positioning. While these systems traditionally rely on anterior pelvic plane registration, variances in soft tissue thickness overlying anatomical landmarks can lead to registration error, and the supine coronal plane has instead been proposed. The purpose of this study was to evaluate the accuracy of a novel navigation tool, using registration of the anterior pelvic plane or supine coronal plane during simulated anterior THA. Methods: Measurements regarding the acetabular component position, and changes in leg length and offset were recorded. Benchtop phantoms and target measurement values commonly seen in surgery were used for analysis. Measurements for anteversion and inclination, and changes in leg length and offset were recorded by the navigation tool and compared with the known target value of the simulation. Pearson’s r assessed the relationship between the measurements of the device and the known target values. Results: The device accurately measured cup position and leg length measurements to within 1° and 1 mm of the known target values, respectively. Across all simulations, there was a strong, positive relationship between values obtained by the device and the known target values (r=0.99). Conclusion: The preliminary findings of this study suggest that the novel navigation tool tested is a potentially viable tool to improve the accuracy of component placement during THA using the anterior approach. Keywords: total hip arthroplasty, computer-assisted navigation, anterior approach, accuracy, anterior pelvic plane, supine coronal plane
format	article
author	Parvizi J Benson JR Muir JM
author_facet	Parvizi J Benson JR Muir JM
author_sort	Parvizi J
title	A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
title_short	A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
title_full	A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
title_fullStr	A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
title_full_unstemmed	A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
title_sort	new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/43c47ac7d20e49f88cd863faad90ba25
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A new mini-navigation tool allows accurate component placement during anterior total hip arthroplasty

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