Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions

Abstract Data on risk factors and periprocedural complications associated with side branch (SB) occlusion after chronic coronary total occlusion (CTO) recanalization are limited. The aims of this study were to identify independent predictors of side branch (SB) occlusion after chronic total occlusio...

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Autores principales:	Yunfei Guo, Hongyu Peng, Yejing Zhao, Jinghua Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/69ef45a6180b4e408b13ba20abe04efb
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spelling	oai:doaj.org-article:69ef45a6180b4e408b13ba20abe04efb2021-12-02T13:33:51ZPredictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions10.1038/s41598-021-83458-92045-2322https://doaj.org/article/69ef45a6180b4e408b13ba20abe04efb2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83458-9https://doaj.org/toc/2045-2322Abstract Data on risk factors and periprocedural complications associated with side branch (SB) occlusion after chronic coronary total occlusion (CTO) recanalization are limited. The aims of this study were to identify independent predictors of side branch (SB) occlusion after chronic total occlusion (CTO) recanalization and assess the relationship between SB occlusion and perioperative complications. 245 patients with CTO bifurcation lesions (BFLs) who underwent successful CTO recanalization were included in the study. In the occlusion group, most of the SB occlusions were observed after the implantation of the stents and lack of SB protection was more common. However, there was no significant between-group difference in the angles between the main vessel (MV) and SB. SB occlusion was associated with a higher risk of periprocedural myocardial infarction and a higher composite periprocedural complication rate. Identified as predictors of SB occlusion were no SB protection, use of a dissection-reentry strategy, ostial SB stenosis, and proximal MV stenosis of 50% or more.Yunfei GuoHongyu PengYejing ZhaoJinghua LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yunfei Guo Hongyu Peng Yejing Zhao Jinghua Liu Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
description	Abstract Data on risk factors and periprocedural complications associated with side branch (SB) occlusion after chronic coronary total occlusion (CTO) recanalization are limited. The aims of this study were to identify independent predictors of side branch (SB) occlusion after chronic total occlusion (CTO) recanalization and assess the relationship between SB occlusion and perioperative complications. 245 patients with CTO bifurcation lesions (BFLs) who underwent successful CTO recanalization were included in the study. In the occlusion group, most of the SB occlusions were observed after the implantation of the stents and lack of SB protection was more common. However, there was no significant between-group difference in the angles between the main vessel (MV) and SB. SB occlusion was associated with a higher risk of periprocedural myocardial infarction and a higher composite periprocedural complication rate. Identified as predictors of SB occlusion were no SB protection, use of a dissection-reentry strategy, ostial SB stenosis, and proximal MV stenosis of 50% or more.
format	article
author	Yunfei Guo Hongyu Peng Yejing Zhao Jinghua Liu
author_facet	Yunfei Guo Hongyu Peng Yejing Zhao Jinghua Liu
author_sort	Yunfei Guo
title	Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
title_short	Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
title_full	Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
title_fullStr	Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
title_full_unstemmed	Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
title_sort	predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/69ef45a6180b4e408b13ba20abe04efb
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Predictors and complications of side branch occlusion after recanalization of chronic total occlusions complicated with bifurcation lesions

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