心房颤动导管消融术后的左心房舒张功能障碍
Left Atrial Diastolic Dysfunction following Catheter Ablation of Atrial Fibrillation.
作者信息
Yueh Liang Hsin, Sung Ruey J
机构信息
Graduate Institute of Clinical Medical Science.
China Medical University, Taichung, Taiwan; Institute of Life Sciences, National Central University, Taoyuan, Taiwan.
出版信息
J Atr Fibrillation. 2012 Feb 2;4(5):465. doi: 10.4022/jafib.465. eCollection 2012 Feb-Mar.
Abstract
Radiofrequency catheter ablation (RFCA)-induced thermal injury may cause and/or worsen left atrial (LA) diastolic dysfunction leading to pulmonary hypertension and heart failure in patients with atrial fibrillation (AF), the incidence of which is probably more common than is generally realized. Biplane 2-dimensional echocardiography coupled with tissue Doppler (velocity) imaging and Doppler-derived strain (rate) imaging can be applied to provide quantitative assessment of the LA function (both systolic and diastolic) relative to pulmonary venous circulation and left ventricular function. Information so obtained is useful for guiding follow-up management of patients undergoing RFCA of AF.
摘要
射频导管消融术（RFCA）引起的热损伤可能导致和/或加重左心房（LA）舒张功能障碍，进而导致心房颤动（AF）患者出现肺动脉高压和心力衰竭，其发生率可能比普遍认识到的更为常见。双平面二维超声心动图结合组织多普勒（速度）成像和多普勒衍生应变（率）成像可用于定量评估LA功能（收缩和舒张）相对于肺静脉循环和左心室功能。如此获得的信息有助于指导接受AF射频消融术患者的后续管理。
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