Thomas Lachlan, Hejie He, Kengo Kusano, Takeshi Aiba, Donatella Brisinda, Riccardo Fenici, Faizel Osman
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引用次数: 0
摘要
全球每年有 15%-20% 的人死于心脏性猝死 (SCD),主要原因是脆弱的心脏基质导致室性心律失常 (VA)。由于目前的方法存在一些局限性,因此很难识别高危人群。我们评估了磁心动图 (MCG) 预测 SCD 事件的证据。我们在 Embase/Medline 数据库中检索了对有 VA 风险的患者进行 MCG 评估的英文论文。共筛选出 119 篇论文,并纳入 27 篇论文进行分析(23 篇病例对照研究,4 篇队列研究);研究规模各不相同(n = 12 到 158)。在 ICM 患者中,使用基于时间和信号复杂性的测量方法可以发现一致的鉴别特征,在评估这些参数的独立性时,这些特征依然存在。当前的血流分析表明,对其他病因也有很好的鉴别效果。所研究的特征支持 MCG 在识别 VA 底物方面的作用,尤其是在 ICM 中。
Magnetocardiography in the Evaluation of Sudden Cardiac Death Risk: A Systematic Review
Sudden cardiac death (SCD) is responsible for 15%–20% of deaths globally/year, predominantly due to ventricular arrhythmias (VA) caused by vulnerable cardiac substrate. Identifying those at risk has proved difficult with several limitations of current methods. We evaluated the evidence for magnetocardiography (MCG) in predicting SCD events. We searched Embase/Medline databases for English language papers evaluating MCG in patients at risk of VA. A total of 119 papers were screened with 27 papers included for analysis (23 case–controlled, four cohort studies); study sizes varied (n = 12 to 158). Etiology was ischemic cardiomyopathy (ICM) in 22, dilated cardiomyopathy in 2, arrhythmogenic cardiomyopathy in 1 and mixed in 2. In patients with ICM there were consistent discriminatory features seen using time-based and signal-complexity measures that persisted when evaluating the independence of these parameters. Current flow analysis demonstrated promising discriminatory results in other etiologies. The features studied support the role of MCG in identifying substrate for VA, particularly in ICM.
期刊介绍:
The ANNALS OF NONINVASIVE ELECTROCARDIOLOGY (A.N.E) is an online only journal that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients.
ANE is the first journal in an evolving subspecialty that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. The publication includes topics related to 12-lead, exercise and high-resolution electrocardiography, arrhythmias, ischemia, repolarization phenomena, heart rate variability, circadian rhythms, bioengineering technology, signal-averaged ECGs, T-wave alternans and automatic external defibrillation.
ANE publishes peer-reviewed articles of interest to clinicians and researchers in the field of noninvasive electrocardiology. Original research, clinical studies, state-of-the-art reviews, case reports, technical notes, and letters to the editors will be published to meet future demands in this field.