Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt

Abstract This study aimed to investigate the accuracy of cup placement and determine the predictive risk factors for inaccurate cup positioning in robot-assisted total hip arthroplasty (THA). We retrospectively analyzed 115 patients who underwent robot-assisted THA between August 2018 and November 2...

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Autores principales:	Shinya Hayashi, Shingo Hashimoto, Yuichi Kuroda, Naoki Nakano, Tomoyuki Matsumoto, Kazunari Ishida, Nao Shibanuma, Tomoyuki Kamenaga, Ryosuke Kuroda
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/98339a76a9ce45b2ae879d1dd316d4b6
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spelling	oai:doaj.org-article:98339a76a9ce45b2ae879d1dd316d4b62021-12-02T14:37:07ZAccuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt10.1038/s41598-021-86849-02045-2322https://doaj.org/article/98339a76a9ce45b2ae879d1dd316d4b62021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86849-0https://doaj.org/toc/2045-2322Abstract This study aimed to investigate the accuracy of cup placement and determine the predictive risk factors for inaccurate cup positioning in robot-assisted total hip arthroplasty (THA). We retrospectively analyzed 115 patients who underwent robot-assisted THA between August 2018 and November 2019. Acetabular cup alignment and three-dimensional (3D) position were measured using pre- or postoperative computed tomography (CT) data. Absolute differences in cup inclination, anteversion, and 3D position were assessed, and their relation to preoperative factors was evaluated. The average measurement of the absolute differences was 1.8° ± 2.0° (inclination) and 1.9° ± 2.3° (anteversion). The average absolute difference in the 3D cup position was 1.1 ± 1.2 mm (coronal plane) and 0.9 ± 1.0 mm (axial plane). Multivariate analysis revealed that a posterior pelvic tilt [odds ratio (OR, 1.1; 95% confidence interval (CI), 1.00–1.23] and anterior surgical approach (OR, 5.1; 95% CI, 1.69–15.38) were predictive factors for inaccurate cup positioning with robot-assisted THA. This is the first study to demonstrate the predictive risk factors (posterior pelvic tilt and anterior surgical approach) for inaccurate cup position in robot-assisted THA.Shinya HayashiShingo HashimotoYuichi KurodaNaoki NakanoTomoyuki MatsumotoKazunari IshidaNao ShibanumaTomoyuki KamenagaRyosuke KurodaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shinya Hayashi Shingo Hashimoto Yuichi Kuroda Naoki Nakano Tomoyuki Matsumoto Kazunari Ishida Nao Shibanuma Tomoyuki Kamenaga Ryosuke Kuroda Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
description	Abstract This study aimed to investigate the accuracy of cup placement and determine the predictive risk factors for inaccurate cup positioning in robot-assisted total hip arthroplasty (THA). We retrospectively analyzed 115 patients who underwent robot-assisted THA between August 2018 and November 2019. Acetabular cup alignment and three-dimensional (3D) position were measured using pre- or postoperative computed tomography (CT) data. Absolute differences in cup inclination, anteversion, and 3D position were assessed, and their relation to preoperative factors was evaluated. The average measurement of the absolute differences was 1.8° ± 2.0° (inclination) and 1.9° ± 2.3° (anteversion). The average absolute difference in the 3D cup position was 1.1 ± 1.2 mm (coronal plane) and 0.9 ± 1.0 mm (axial plane). Multivariate analysis revealed that a posterior pelvic tilt [odds ratio (OR, 1.1; 95% confidence interval (CI), 1.00–1.23] and anterior surgical approach (OR, 5.1; 95% CI, 1.69–15.38) were predictive factors for inaccurate cup positioning with robot-assisted THA. This is the first study to demonstrate the predictive risk factors (posterior pelvic tilt and anterior surgical approach) for inaccurate cup position in robot-assisted THA.
format	article
author	Shinya Hayashi Shingo Hashimoto Yuichi Kuroda Naoki Nakano Tomoyuki Matsumoto Kazunari Ishida Nao Shibanuma Tomoyuki Kamenaga Ryosuke Kuroda
author_facet	Shinya Hayashi Shingo Hashimoto Yuichi Kuroda Naoki Nakano Tomoyuki Matsumoto Kazunari Ishida Nao Shibanuma Tomoyuki Kamenaga Ryosuke Kuroda
author_sort	Shinya Hayashi
title	Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
title_short	Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
title_full	Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
title_fullStr	Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
title_full_unstemmed	Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
title_sort	accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/98339a76a9ce45b2ae879d1dd316d4b6
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Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt

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