基线运动压力测试在RYR2相关的CPVT中的预测相关性
Deni Kukavica1,2, Gianluca Pili1,2, Alessandro Trancuccio1,2
1Molecular Cardiology Unit, IRCCS Istituti Clinici Scientifici Maugeri, Pavia, Italy.
概括
在运动压力测试 (EST) 中,早期发病的心室节律失常 (VA) 和运动诱导的静脉节律失常 (VT) 预测了在 катехолами纳基多态心室高心率 (CPVT) 患者中危及生命的心律失常事件 (LAE). 这有助于在诊断时识别高风险个体.
科学领域:
- 心脏病学 心脏病学
- 遗传学 遗传学 是一个
- 电子生理学 电子生理学
背景情况:
- catecholaminergic多形心室性心跳动 (CPVT) 是一种遗传性疾病,其特征是运动引起的心律失常.
- 运动压力测试 (EST) 是诊断CPVT的黄金标准.
- 预测CPVT患者的不良结果对于风险分层至关重要.
研究的目的:
- 为了研究在RYR2-相关的CPVT患者中发生危及生命的心律失常事件 (LAE) 的EST期间运动诱导的腹腔失常 (VA) 的预后价值.
- 确定早期发病的VA或运动诱导的VT是否可以识别患有LAE风险较高的患者.
主要方法:
- 对102名与RYR2相关的CPVT患者进行了回顾性分析,这些患者接受了基线EST.
- 在EST期间评估VA的发病率和严重程度.
- 使用后勤回归和考克斯比例危险模型来分析EST发现与LAE之间的关联.
- LAE被定义为心脏突然死亡,心脏骤停或血液动力学不耐受静脉动脉的复合体.
主要成果:
- 运动诱导的静脉瘤在56%的患者中引起,通常是双向的 (64%).
- 在基线EST期间早期发病的VA和运动诱导的VT与随访时更高的LAE风险显著相关 (HR分别为6.0和6.6).
- 即使在对症状进行了纠正后,这些关联仍然很重要.
结论:
- 在基线EST期间早期发病的VA和运动诱导的VT是CPVT患者未来危及生命的心律失常事件的显著预测因素.
- 诊断时的EST发现可以识别具有较高不良结果风险的CPVT患者的子集.
- 这种风险分层可以指导临床管理和监测策略.
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