在T2DM和HFpEF患者的心肌变形和输液之间的相互依赖:特征跟踪和应力输液CMR研究
Xin-Ni Li1, Yu-Ting Liu1, Sang Kang1
1Department of Cardiology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
Cardiovascular diabetology
|August 16, 2024
概括
患有2型糖尿病 (T2DM) 和心力衰竭与保留喷射分数 (HFpEF) 的患者表现出心肌张力和输液受损. 全球心肌输液储备指数 (MPRI) 调解T2DM,HFpEF和心脏功能障碍之间的关系.
科学领域:
- 心脏病学 心脏病学
- 糖尿病学 糖尿病学
- 医疗成像医学成像
背景情况:
- 糖尿病 (二型) 显著增加了心力衰竭与保存的喷射小部分 (HFpEF) 的风险.
- 了解心肌变形和输液之间的相互作用对于糖尿病患者的HFpEF管理至关重要.
研究的目的:
- 为了比较T2DM患者的心肌变形和输液指数,有和没有HFpEF.
- 调查T2DM中心肌应变和 perfusion 储备之间的关系.
主要方法:
- 心脏磁共振 (CMR) 影像检测对156名T2DM患者 (74名具有HFpEF,82名没有) 和50名对照进行.
- 评估左心室 (LV) 和左心房 (LA) 应变,以及应激心肌输液 (MPRI).
- 评估了菌株和 perfusion 参数之间的相关性,使用 T2DM 对 LA 菌株影响的调解分析.
主要成果:
- 与没有HFpEF的T2DM相比,T2DM患者的LV菌株,LA储菌株和全球MPRI降低,LA助推菌株增加.
- LA储存和助推菌株独立地与全球MPRI相关.
- 全球MPRI调解了T2DM组之间的LA菌株差异,表明微循环与心脏功能障碍之间的联系.
结论:
- 在T2DM中,HFpEF的特征是心脏变形和输液受损.
- 全球MPRI是影响LA菌株的关键因素,这表明有机械联系.
- 心肌输液和LA菌株显示出在T2DM中诊断和管理HFpEF的潜力.
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