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摘要:
BACKGROUND There is a high risk for sudden cardiac death (SCD) in certain patient groups that would not meet criteria for implantable cardioverter defibrillator (ICD) therapy. In conditions such as hypertrophic cardiomyopathy (HCM) there are clear risk scores that help define patients who are high risk for SCD and would benefit from ICD therapy. There are however many areas of uncertainty such as certain patients post myocardial infarction (MI). These patients are high risk for SCD but there is no clear tool for risk stratifying such patients. AIM To assess risk factors for sudden cardiac death in major cardiac disorders and to help select patients who might benefit from Wearable cardiac defibrillators (WCD). METHODS A literature search was performed looking for risk factors for SCD in patients post-MI, patients with left ventricular systolic dysfunction (LVSD), HCM, long QT syndrome (LQTS). There were 41 studies included and risk factors and the relative risks for SCD were compiled in table form. RESULTS We extracted data on relative risk for SCD of specific variables such as age, gender, ejection fraction. The greatest risk factors for SCD in post MI patients was the presence of diabetes [Hazard ratio (HR) 1.90-3.80], in patient with LVSD was ventricular tachycardia (Relative risk 3.50), in LQTS was a prolonged QTc (HR 36.53) and in patients with HCM was LVH greater than 20 mm (HR 3.10). A proportion of patients currently not suitable for ICD might benefit from a WCD CONCLUSION There is a very high risk of SCD post MI, in patients with LVSD, HCM and LQTS even in those who do not meet criteria for ICD implantation. These patients may be candidates for a WCD. The development of more sensitive risk calculators to predict SCD is necessary in these patients to help guide treatment.
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篇名 Risk factors for sudden cardiac death to determine high risk patients in specific patient populations that may benefit from a wearable defibrillator
来源期刊 世界心脏病学杂志:英文版(电子版) 学科 医学
关键词 Sudden CARDIAC death WEARABLE CARDIAC DEFIBRILLATORS Myocardial infarction HYPERTROPHIC cardiomyopathy Left ventricular SYSTOLIC dysfunction
年,卷(期) 2019,(3) 所属期刊栏目
研究方向 页码范围 103-119
页数 17页 分类号 R
字数 语种
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节点文献
Sudden
CARDIAC
death
WEARABLE
CARDIAC
DEFIBRILLATORS
Myocardial
infarction
HYPERTROPHIC
cardiomyopathy
Left
ventricular
SYSTOLIC
dysfunction
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
世界心脏病学杂志:英文版(电子版)
月刊
1949-8462
北京市朝阳区东四环中路62号楼远洋国际中
出版文献量(篇)
78
总下载数(次)
1
总被引数(次)
0
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