二尖瓣脱垂综合征室性心律失常及其与心电图复极参数的关系。

IF 0.9 Q3 MEDICINE, GENERAL & INTERNAL
Berat Engin, Erdem Cevik, Rabia Deniz, Huseyin Orta, Ali Elitok
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引用次数: 0

摘要

目的:本研究的目的是比较有二尖瓣脱垂(MVP)综合征和无二尖瓣脱垂(MVP)综合征患者室性心律失常和室上心律失常的发生率,并探讨MVP综合征患者室性心律失常与复极参数之间是否存在关联。方法:采用横断面研究方法,选取41例MVP综合征患者和41例心悸但无MVP患者(对照组)。所有受试者均接受导联心电图、经胸超声心动图和24小时动态心电图监测,以识别复极异常、结构异常、室上性和室性心律失常。测量每位受试者的QRS宽度、QTC间隔和Tpeak-Tend间隔。结果:与对照组相比,MVP组出现室性早搏(早搏)、双联和非持续性室性心动过速(非持续性室性心动过速)的人数显著增加。MVP组左室收缩末内径(LVESD)、左室舒张末内径(LVEDD)和左房内径均显著高于对照组。MVP组的QRS宽度和Tpeak-Tend间隔也显著高于对照组。相关分析显示,二尖瓣反流严重程度与室性早搏数、联数呈正相关,左心房内径与室性早搏数、非瓣膜性室性早搏数呈显著相关。结论:与没有MVP的受试者相比,MVP患者更容易出现室性心律失常,包括室性早搏、对联和非室性心律失常。MVP组LVESD、LVEDD、LA直径、QRS宽度、Tpeak-Tend间隔均高于无MVP组。MR的严重程度与室性早搏、双联或nsvt的发生频率有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ventricular arrhythmias in mitral valve prolapse syndrome and their relationship with electrocardiographic repolarization parameters.

Objective: The aim of present study is to compare ventricular and supraventricular arrhythmia incidences in subjects with and without mitral valve prolapse (MVP) syndrome and to examine if an association exists between ventricular arrhythmias and repolarization parameters in patients with MVP syndrome.

Methods: This cross-sectional study involved 41 subjects with MVP Syndrome and 41 subjects with palpitation but without MVP (control group). All subjects were subjected to lead-electrocardiogram, transthoracic echocardiography, and 24-h Holter monitoring to identify repolarization abnormalities, structural abnormalities, and supraventricular and ventricular arrhythmias. The QRS width, QTC interval, and Tpeak-Tend intervals were measured for each participant.

Results: The number of subjects who had premature ventricular contractions (PVCs), couplets, and non-sustained ventricular tachycardia (NSVTs) was significantly higher in the MVP group compared to the control group. Left ventricular end-systolic diameter (LVESD) and left ventricular end-diastolic diameter (LVEDD) and left atrial diameter were also significantly higher in the MVP group than the control group. QRS width and Tpeak-Tend interval were also significantly higher in subjects with MVP than the controls. Correlation analysis showed a positive correlation between the severity of mitral regurgitation (MR) and the number of PVCs and couplets, while there was a significant correlation between left atrium (LA) diameter and the number of the PVCs and NSVTs.

Conclusion: Subjects with MVP experience ventricular arrhythmias more often including PVCs, couplets, and NSVTs compared to subjects without MVP. LVESD, LVEDD, LA diameter, QRS width, and Tpeak-Tend interval were increased in MVP subjects than those without MVP. There is an association between the severity of the MR and the frequency of the PVCs, couplets, or NSVTs.

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来源期刊
Northern Clinics of Istanbul
Northern Clinics of Istanbul MEDICINE, GENERAL & INTERNAL-
CiteScore
0.40
自引率
0.00%
发文量
48
审稿时长
10 weeks
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