Aortic root anatomy and impact on new-onset conduction abnormalities after transcatheter aortic valve implantation

Habib Layoun, Joseph Kassab, Michel Chedid El Helou, Joseph El Dahdah, Odette Iskandar, Maryam Muhammad Ali Majeed Saidan, Abdelrahman Abushouk, Toshiaki Isogai, Grant Reed, Rishi Puri, Oussama M. Wazni, Amar Krishnaswamy, Serge Harb, Samir Kapadia
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Abstract

Background Angulation of virtual basal ring (VBR), also known as aortic annulus, in relation to sino-tubular joint (STJ) may lead to greater exposure of implanted stent to the conduction system, consequently increasing the risk of LBBB.
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主动脉根部解剖及其对经导管主动脉瓣植入术后新发传导异常的影响
背景 虚拟基底环(VBR),又称主动脉瓣环,与声门-管状关节(STJ)的夹角可能会导致植入的支架更多地暴露于传导系统,从而增加发生 LBBB 的风险。
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