Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study

Abstract Background Bearing dislocation is the main complication after mobile bearing unicompartmental knee arthroplasty. The purpose of this study was to analyze the potential risk factors of bearing dislocation after Oxford phase III mobile bearing unicompartmental knee arthroplasty in Chinese pat...

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Autores principales:	Chenkai Li, Tao Li, Zian Zhang, Hui Huang, Tian Chen, Haining Zhang
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Unicompartmental knee arthroplasty Mobile bearing Complication Bearing dislocation Diseases of the musculoskeletal system RC925-935
Acceso en línea:	https://doaj.org/article/5474c5bbbde847b6bbdcb578ee9484f2
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spelling	oai:doaj.org-article:5474c5bbbde847b6bbdcb578ee9484f22021-11-14T12:28:33ZPotential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study10.1186/s12891-021-04828-y1471-2474https://doaj.org/article/5474c5bbbde847b6bbdcb578ee9484f22021-11-01T00:00:00Zhttps://doi.org/10.1186/s12891-021-04828-yhttps://doaj.org/toc/1471-2474Abstract Background Bearing dislocation is the main complication after mobile bearing unicompartmental knee arthroplasty. The purpose of this study was to analyze the potential risk factors of bearing dislocation after Oxford phase III mobile bearing unicompartmental knee arthroplasty in Chinese patients. Methods We retrospectively investigated 492 patients (578 knees) who underwent Oxford phase III mobile bearing unicompartmental knee arthroplasty in our institution between February 2009 and June 2019. The patients were divided into two groups based on surgeons’ annual surgical volume. Those with/ without bearing dislocation were compared based on patient, surgeon and implant factors. Results Among the 492 patients, 21 (4.3%, 4 men and 17 women) experienced bearing dislocation. Of these, 14 (4.0%) were in the high surgical volume group and 7 (5.1%) were in the low surgical volume group. Multivariate analysis revealed that trauma to the operated leg and daily life involving high knee flexion cumulatively predicted bearing dislocation (p < 0.05). Conclusions Trauma to the operated leg and daily life involving high knee flexion were risk factors for bearing dislocation after Oxford phase III mobile bearing unicompartmental knee arthroplasty.Chenkai LiTao LiZian ZhangHui HuangTian ChenHaining ZhangBMCarticleUnicompartmental knee arthroplastyMobile bearingComplicationBearing dislocationDiseases of the musculoskeletal systemRC925-935ENBMC Musculoskeletal Disorders, Vol 22, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Unicompartmental knee arthroplasty Mobile bearing Complication Bearing dislocation Diseases of the musculoskeletal system RC925-935
spellingShingle	Unicompartmental knee arthroplasty Mobile bearing Complication Bearing dislocation Diseases of the musculoskeletal system RC925-935 Chenkai Li Tao Li Zian Zhang Hui Huang Tian Chen Haining Zhang Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study
description	Abstract Background Bearing dislocation is the main complication after mobile bearing unicompartmental knee arthroplasty. The purpose of this study was to analyze the potential risk factors of bearing dislocation after Oxford phase III mobile bearing unicompartmental knee arthroplasty in Chinese patients. Methods We retrospectively investigated 492 patients (578 knees) who underwent Oxford phase III mobile bearing unicompartmental knee arthroplasty in our institution between February 2009 and June 2019. The patients were divided into two groups based on surgeons’ annual surgical volume. Those with/ without bearing dislocation were compared based on patient, surgeon and implant factors. Results Among the 492 patients, 21 (4.3%, 4 men and 17 women) experienced bearing dislocation. Of these, 14 (4.0%) were in the high surgical volume group and 7 (5.1%) were in the low surgical volume group. Multivariate analysis revealed that trauma to the operated leg and daily life involving high knee flexion cumulatively predicted bearing dislocation (p < 0.05). Conclusions Trauma to the operated leg and daily life involving high knee flexion were risk factors for bearing dislocation after Oxford phase III mobile bearing unicompartmental knee arthroplasty.
format	article
author	Chenkai Li Tao Li Zian Zhang Hui Huang Tian Chen Haining Zhang
author_facet	Chenkai Li Tao Li Zian Zhang Hui Huang Tian Chen Haining Zhang
author_sort	Chenkai Li
title	Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study
title_short	Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study
title_full	Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study
title_fullStr	Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study
title_full_unstemmed	Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study
title_sort	potential factors in postoperative dislocation of oxford phase iii mobile bearing uka in chinese patients: a single-center retrospective study
publisher	BMC
publishDate	2021
url	https://doaj.org/article/5474c5bbbde847b6bbdcb578ee9484f2
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Potential factors in postoperative dislocation of Oxford phase III mobile bearing UKA in Chinese patients: a single-center retrospective study

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