Utility of Conventional Electrocardiographic Criteria in Patients With Idiopathic Ventricular Tachycardia.

Utility of Conventional Electrocardiographic Criteria in Patients With Idiopathic Ventricular Tachycardia.
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常规心电图标准在特发性室性心动过速患者中的实用性。

DOI:
10.1016/j.jacep.2017.01.010
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发表时间:
2017
期刊:
JACC. Clinical electrophysiology
影响因子:
--
通讯作者:
Scheinman,MelvinM
Scheinman,MelvinM
中科院分区:
--
文献类型:
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作者:
Yadav,AnilV;Nazer,Babak;Drew,BarbaraJ;Miller,JohnM;ElMasry,Hicham;Groh,WilliamJ;Natale,Andrea;Marrouche,Nassir;Badhwar,Nitish;Yang,Yanfei;Scheinman,MelvinM

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目的本研究旨在确定传统心电图 (ECG) 标准正确区分特发性室性心动过速 (VT) 与异常室上性心动过速 (SVT) 的能力。背景先前报道的 VT 心电图标准是根据结构性心脏病患者队列制定的,尚未应用于特发性 VT 患者。方法 115 例特发性 VT 的心电图,101使用标准标准对心肌梗塞后 (MI) VT 和 111 个宽 QRS SVT 进行分析。当至少满足 1 个标准时,患者可诊断为 VT;当不满足标准时,可诊断为 SVT;当存在冲突标准时,诊断为不确定。 结果:标准心电图标准在 MI 后组中诊断 VT 的频率高于特发性组(分别为 95% 和 82%;p < 0.01)。 111 名 SVT 患者中只有 12 名 (11%) 的诊断符合 VT 标准。特发性 VT 组中所有不符合 VT 标准且具有右支束阻滞形态的患者均在 V1 中表现出 rsR' 模式(与 SVT 一致)。在特发性 VT 患者中,浦肯野相关 VT 在 23 名患者中的 13 名 (57%) 中正确诊断 VT 的敏感性最低,在 76 名患者中只有 56 名 (74%) 正确诊断间隔部位,而非间隔部位在 35 名患者中的 35 名中具有较高的敏感性 (100%;p < 0.005)。 结论 传统心电图标准降低了区分 VT 和 VT 的敏感性。特发性 VT 患者的 SVT 异常。这在源自间隔部位的室性心动过速中最为明显,特别是浦肯野部位和间隔流出道区域。临床医生应意识到,在特发性 VT 中应用常规心电图标准可能会漏诊 VT。
ObjectivesThis study sought to determine the ability of conventional electrocardiographic (ECG) criteria to correctly differentiate idiopathic ventricular tachycardia (VT) from supraventricular tachycardia (SVT) with aberrancy.BackgroundPreviously reported VT ECG criteria were developed from cohorts of patients with structural heart disease and have not been applied to patients with idiopathic VT.MethodsECGs of 115 idiopathic VTs, 101 post-myocardial infarction (MI) VTs, and 111 wide QRS SVTs were analyzed using standard criteria. VT was diagnosed in patients when at least 1 criterion was met, SVT when no criteria were met, and indeterminate when there were conflicting criteria.ResultsStandard ECG criteria more frequently diagnosed VT in the post-MI group than the idiopathic group (95% vs. 82%, respectively; p < 0.01). Diagnosis in only 12 of the 111 SVT patients (11%) met the criteria for VT. All patients in the idiopathic VT group with right branch bundle block morphology who did not meet VT criteria demonstrated an rsR′ pattern in V1(consistent with SVT). Among idiopathic VT patients, Purkinje-associated VT had the lowest sensitivity for correct VT diagnosis in 13 of 23 patients (57%), septal sites of origin were correctly diagnosed in only 56 of 76 patients (74%), whereas nonseptal sites had a high sensitivity in 35 of 35 patients (100%; p < 0.005).ConclusionsConventional ECG criteria have reduced sensitivity to distinguish VT from SVT with aberrancy in patients with idiopathic VT. This is most pronounced in VT originating from septal sites, particularly Purkinje sites and the septal outflow tract regions. Clinicians should be aware that application of conventional ECG criteria in idiopathic VT may underdiagnose VT.
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影响因子: 1.8
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影响因子: 5.5
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