相关实验视频

Updated: Jul 24, 2026

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

Published on: October 20, 2016

左心室心声学变形参数与侵袭性左心室末腹压测量之间的相关性

Maryam Noroozi¹, Ehsan Khalilipur², Mohammadreza Baay²

¹Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.

The journal of Tehran Heart Center

|September 22, 2025

概括

高峰心房纵向应变 (PALS) 是一种可靠的非侵入性方法,用于估计左心室末腹压升高 (LVEDP). 这一发现有助于早期检测左心室扩张功能障碍 (LVDD).

科学领域:

心脏病学心脏病学
心声回声扫描 (Echocardiography) 是一种心声回声扫描.
腹腔病理学腹腔病理学腹腔病学

背景情况:

在诊断左心室扩张功能障碍 (LVDD) 时,提高左心室末端扩张压力 (LVEDP) 的非侵入性估计至关重要.
目前用于LVEDP估计的回声心脏学参数具有局限性.
左心房 (LA) 应变显示出作为非侵入性LVEDP评估工具的希望.

研究的目的:

调查LA变形参数与侵入性测量LVEDP之间的相关性.
评估斑点跟踪回声心电图 (STE) 的实用性,以评估与LVEDP相关的LA菌株.

主要方法:

对82名鼻节律患者进行前性研究,这些患者正在接受左心导管治疗.
综合性胸前心电回声学和STE用于顶部心房纵向应变 (PALS) 评估. 导管注射后12小时内.

主要成果:

在PALS中,与LVEDP (r=-0.590,P=0.001) 呈现出适度的反相关性.
PALS,年龄和E/E'比是LVEDP升高 (≥12 mm Hg) 的独立预测因素.
在预测高LVEDP方面,PALS显示了最高的诊断准确度 (AUC=0.849),截止值为35%,提供了81.1%的灵敏度和81.4%的特异性.

结论:

高峰心房纵向应变 (PALS) 是可靠的非侵入性参数,用于预测升高的LVEDP.
使用PALS可以改善左心室扩张功能障碍 (LVDD) 的早期识别.

关键词:

心脏导管治疗的心脏导管.扩张性功能障碍扩张性功能障碍心声回声扫描 (Echocardiography) 是一种心声回声扫描.在左心室,左心室是左心室.左心室末端-透气压的压力.纵向应变是一种延伸性应变.斑点跟踪跟踪斑点跟踪跟踪

更多相关视频

Studying Left Ventricular Reverse Remodeling by Aortic Debanding in Rodents

Studying Left Ventricular Reverse Remodeling by Aortic Debanding in Rodents

Published on: July 14, 2021

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse

Published on: August 30, 2022

相关概念视频

Special considerations while measuring blood pressure

Special considerations while measuring blood pressure

When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.

Measurement of Blood Pressure

Measurement of Blood Pressure

Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.