Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study

Abstract For pre-operative osteoarthritis (OA) patients with varus knee, previous studies showed inconsistent results. Therefore, we conducted this study to better identify the association of Hospital for Special Surgery (HSS) score and mechanical alignment. 44 patients (51 knees) with constitutiona...

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Autores principales:	Zhifeng Zhang, Wei Chai, Guanghui Zhao, Qida Zhang, Zhenxian Chen, Xinyao Wang, Pingping Wei, Yanwei Zhang, Zhongmin Jin, Yusheng Qiu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c61ae84c0de7432594ad3ad3e91743aa
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spelling	oai:doaj.org-article:c61ae84c0de7432594ad3ad3e91743aa2021-12-02T10:44:21ZAssociation of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study10.1038/s41598-021-81285-62045-2322https://doaj.org/article/c61ae84c0de7432594ad3ad3e91743aa2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81285-6https://doaj.org/toc/2045-2322Abstract For pre-operative osteoarthritis (OA) patients with varus knee, previous studies showed inconsistent results. Therefore, we conducted this study to better identify the association of Hospital for Special Surgery (HSS) score and mechanical alignment. 44 patients (51 knees) with constitutional varus knee caused by combined deformities (LDFA (lateral distal femoral angle) > 90°and MPTA (medial proximal tibial angle) < 85°)) were selected and analyzed with a mean follow-up period of 14 months after total knee arthroplasty (TKA). From January 2015 to December 2016, patients were collected consecutively after primary TKA. After filtering, fifty-one knees (44patients) were analyzed with a mean follow-up period of 14 months. All patients were divided into two groups based on post-operative hip-knee-ankle (HKA) acute angle: varus mechanical alignment (VMA) group (HKA < − 3°) and neutral mechanical axis (NMA) group (− 3° ≤ HKA ≤ 3°). 30 knees were included in the NMA group, and 21 knees in the VMA group. Comparisons of HSS between NMA group and VMA group were performed. After adjusting for age and Body Mass Index (BMI) confounders, Compared with NMA group, the HSS score in VMA group decreased by 0.81 units (95% CI, − 3.37 to 1.75) p = 0.5370). For pre-operative constitutional varus knee caused by combined deformities in chinese populations, no significant association between post-operative lower limb mechanical alignment and HSS score was found.Zhifeng ZhangWei ChaiGuanghui ZhaoQida ZhangZhenxian ChenXinyao WangPingping WeiYanwei ZhangZhongmin JinYusheng QiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zhifeng Zhang Wei Chai Guanghui Zhao Qida Zhang Zhenxian Chen Xinyao Wang Pingping Wei Yanwei Zhang Zhongmin Jin Yusheng Qiu Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
description	Abstract For pre-operative osteoarthritis (OA) patients with varus knee, previous studies showed inconsistent results. Therefore, we conducted this study to better identify the association of Hospital for Special Surgery (HSS) score and mechanical alignment. 44 patients (51 knees) with constitutional varus knee caused by combined deformities (LDFA (lateral distal femoral angle) > 90°and MPTA (medial proximal tibial angle) < 85°)) were selected and analyzed with a mean follow-up period of 14 months after total knee arthroplasty (TKA). From January 2015 to December 2016, patients were collected consecutively after primary TKA. After filtering, fifty-one knees (44patients) were analyzed with a mean follow-up period of 14 months. All patients were divided into two groups based on post-operative hip-knee-ankle (HKA) acute angle: varus mechanical alignment (VMA) group (HKA < − 3°) and neutral mechanical axis (NMA) group (− 3° ≤ HKA ≤ 3°). 30 knees were included in the NMA group, and 21 knees in the VMA group. Comparisons of HSS between NMA group and VMA group were performed. After adjusting for age and Body Mass Index (BMI) confounders, Compared with NMA group, the HSS score in VMA group decreased by 0.81 units (95% CI, − 3.37 to 1.75) p = 0.5370). For pre-operative constitutional varus knee caused by combined deformities in chinese populations, no significant association between post-operative lower limb mechanical alignment and HSS score was found.
format	article
author	Zhifeng Zhang Wei Chai Guanghui Zhao Qida Zhang Zhenxian Chen Xinyao Wang Pingping Wei Yanwei Zhang Zhongmin Jin Yusheng Qiu
author_facet	Zhifeng Zhang Wei Chai Guanghui Zhao Qida Zhang Zhenxian Chen Xinyao Wang Pingping Wei Yanwei Zhang Zhongmin Jin Yusheng Qiu
author_sort	Zhifeng Zhang
title	Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
title_short	Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
title_full	Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
title_fullStr	Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
title_full_unstemmed	Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
title_sort	association of hss score and mechanical alignment after primary tka of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c61ae84c0de7432594ad3ad3e91743aa
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Association of HSS score and mechanical alignment after primary TKA of patients suffering from constitutional varus knee that caused by combined deformities: a retrospective study

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