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P波振幅和时限可能预测心脏内复律后房颤的即刻复发。

P wave amplitude and duration may predict immediate recurrence of atrial fibrillation after internal cardioversion.

作者信息

Gorenek Bulent, Birdane Alpaslan, Kudaiberdieva Gulmira, Goktekin Omer, Cavusoglu Yuksel, Unalir Ahmet, Ata Necmi, Timuralp Bilgin

机构信息

Department of Cardiology, Osmangazi University School of Medicine, Eskişehir, Turkey.

出版信息

Ann Noninvasive Electrocardiol. 2003 Jul;8(3):215-8. doi: 10.1046/j.1542-474x.2003.08308.x.

Abstract

BACKGROUND

Although internal cardioversion (IC) for atrial fibrillation (AF) is effective at restoring sinus rhythm, immediate recurrence (IR) of AF after IC is a major and largely unpredictable clinical problem. The purpose of the study was to determine the role of P wave duration and amplitude in prediction of IR of AF after IC. Forty-five consecutive patients undergoing IC for chronic AF were evaluated.

MATERIAL AND METHODS

After successful IC, 1-minute ECG recording was obtained in all patients. P wave duration and amplitude in Lead II and V1 were measured using computer. Forty patients (88%) had successful IC. Thirteen patients experienced IR of AF within 1 minute of restoring sinus rhythm.

RESULTS AND CONCLUSION

As a result, the incidence of IR of AF after IC was higher in the patients with shorter P wave amplitude (for lead II P<0.01, for V1 P<0.01) and larger P wave duration (for lead II P<0.01, for V1 P<0.05).

摘要

背景

虽然心房颤动(AF)的体内心脏复律(IC)在恢复窦性心律方面有效,但IC后房颤的即刻复发(IR)是一个主要的且很大程度上不可预测的临床问题。本研究的目的是确定P波持续时间和振幅在预测IC后房颤IR中的作用。对45例连续接受慢性房颤IC治疗的患者进行了评估。

材料与方法

IC成功后,所有患者均进行了1分钟的心电图记录。使用计算机测量II导联和V1导联的P波持续时间和振幅。40例患者(88%)IC成功。13例患者在恢复窦性心律后1分钟内发生房颤IR。

结果与结论

结果显示,IC后房颤IR的发生率在P波振幅较短的患者中较高(II导联P<0.01,V1导联P<0.01),且P波持续时间较长(II导联P<0.01,V1导联P<0.05)。

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