右室功能对心房颤动消融术后复发的预测价值

doi:10.12117/jccmi.2019.11.006

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Abstract Objective: To investigate prognostic values of right ventricular functional parameters in predicting atrial fibrillation(AF) recurrence after ablation. Methods: Perspective cohort study, 55 patients with AF in cardiology department of PUMCH from Jan 2013 to Jan 2015 were involved. Echocardiography was practiced before the radiofrequency ablation surgery. 2D gray scale echocardiography images from 4-chamber view were reserved. Echo-Pac software system was used to generate right and left ventricular time-strain curves. Follow-up was performed every 6 months, and the endpoint events were recorded. Results: AF patients with early recurrence after the ablation manifested as significant decreased tricuspid annular plane systolic excursion(TAPSE) and right ventricular global peak longitudinal strain(RV-PLSS-T). The percentage of early recurrence was obviously elevated in AF patients with RV longitudinal dysfunction(defined as S’<10 cm/s, or RV-PLSS-T<17%)(P<0.05, respectively). Early recurrence of AF were significantly positively correlated with durations of AF, TAPSE and RV-PLSS-T(OR=1.039, 0.852, 0.813, P<0.05, respectively). However, after adjusting in binary logistic model, only course of AF(OR=1.050) and RV-PLSS-T(OR=0.770) were independent risk factors of early recurrence of AF after ablation(P<0.05 respectively). AF patients with decreased RV longitudinal strains showed elevating percentages of endpoint events and shortening event-free survival. Conclusions: AF patients with worse RV longitudinal systolic function were more prone to suffer from early recurrence after ablation. Decreasing RV strains might help to predict endpoint events including AF recurrence, cardiovascular readmission and arrhythmic symptoms.

Key words： Ventricular function, right Atrial fibrillation Echocardiography

Received: 30 November 2018

PACS:	Ｒ331.31
	Ｒ541.75
	R540.45

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	Articles by authors
	LIU Ying-xian
	CHEN Wei
	WANG Jia-li
	GAO Peng
	CHENG Zhong-wei
	FANG Quan
	FANG Li-gang

Cite this article:

LIU Ying-xian,CHEN Wei,WANG Jia-li, et al. The value of right ventricular function in predicting recurrence after ablation of atrial fibrillation[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2019, 30(11): 783-788.

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http://www.jccmi.com.cn/EN/10.12117/jccmi.2019.11.006 OR http://www.jccmi.com.cn/EN/Y2019/V30/I11/783

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