分段纵向菌株的不同分布模式与扩张性心肌病的不同临床特征和结果有关
Kaoruko Sengoku1, Tomohito Ohtani2, Yasuharu Takeda1
1Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan.
Journal of echocardiography
|March 7, 2024
概括
扩张性心肌病患者具有明显的纵向应变 (LS) 损伤模式,经历不同的心脏事件率和反向重塑. 垂直的LS模式比单独的射出分数更好地预测结果.
科学领域:
- 心脏病学 心脏病学
- 心血管成像 - 心血管成像
- 心脏衰竭研究研究
背景情况:
- 扩张性心肌病 (DCM) 的预后很复杂,并不能完全通过左心室喷射率 (LVEF) 预测.
- 纵向菌株 (LS) 提供了超出LVEF的额外预后信息.
- LS分布模式可能为DCM提供进一步的临床见解.
研究的目的:
- 研究在DCM患者中LS分布模式的临床意义.
- 为了将LS模式与心脏事件和左心室逆向重塑 (LVRR) 相关联.
主要方法:
- 分析了139名DCM患者,他们的LVEF≤35%.
- 使用牛眼映射和相对顶点LS指数 (RapLSI) 评估了LS分布.
- 评估了LS模式,心脏事件和LVRR之间的关联.
主要成果:
- 确定了明显的LS模式 (尖端损伤/保存与分散/均).
- 患有相对受损的顶端LS的患者表现出更高的心脏事件率和更低的LVRR发生率.
- RapLSI独立预测心脏事件发生率.
结论:
- 在DCM中LS分布模式与差异性的临床结果有关.
- 在DCM患者中,上LS模式是心脏事件和LVRR的显著预测因素.
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