相关实验视频

Updated: Jul 15, 2025

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Published on: July 12, 2022

在ST升高心肌梗塞后的晚期左心室重塑后,早期左心室末期透析体积变化的预测值

Lei Yi¹, Tianqi Zhu¹, Xuezheng Qu¹

¹Department of Cardiovascular Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Cardiology journal

|September 29, 2023

概括

心肌梗塞后左心室末端透缩体积 (LVEDV) 的早期变化预测了以后的重塑. 在出院和PCI后1个月监测LVEDV可以帮助识别患有左心室改造风险的患者.

科学领域:

心脏病学心脏病学
心脏成像 - - 心脏成像
干预心脏病学干预心脏病学

背景情况:

左心室重塑 (LVR) 是急性ST升高心肌梗塞 (STEMI) 后不良结果的关键预测因素.
初级穿皮冠状动脉干预 (PCI) 是STEMI的标准治疗方法.
了解LVR的早期指标对于患者管理至关重要.

研究的目的:

预期评估STEMI患者的LVR,这些患者接受了初级PCI治疗.
检查早期左心室扩张和晚期LVR之间的关系.
确定预测LVR的早期回声心脏学标志物.

主要方法:

连续301名接受初级PCI的STEMI患者被纳入.
序列心声扫描在多个时间点进行:PCI后的第一天,出院,1个月和6个月.
分析了左心室末端透支体积 (LVEDV) 的变化.

主要成果:

左心室重塑 (LVR) 在18.9%的患者中发生.
在LVR组中,LVEDV从第一天到离院期间下降,与非LVR组相反.
退院和PCI后1个月LVEDV的早期变化准确地预测了晚期LVR (AUC = 0.80).

结论:

出院时的LVEDV降低和1个月后的LVEDV增加都与6个月后的晚期LVR有关.
早期全面监测LVEDV变化对于预测LVR至关重要.
这些发现支持在STEMI患者的风险分层中使用串行心声回声学.

关键词:

剧烈的心肌梗塞急性心肌梗塞早期的左心室扩张超声心电图 (Echocardiography) 是一种心声回声仪.左心室末期透支体积的左心室左心室重塑的左心室重塑

更多相关视频

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Published on: November 28, 2018

相关概念视频

Regulation of Stroke Volume

Regulation of Stroke Volume

The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...

Heart Failure II: Pathophysiology

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...