相关实验视频
Updated: May 13, 2026
08:17
Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
14.5K
左心房体积量化通过胸前回声心脏学对比心血管磁共振:一个系统的审查和元分析
Masliza Mahmod1,2,3, Sacha Bull4, Tushy Kailayanathan5
1Perspectum Ltd, Oxford, UK. masliza.mahmod@perspectum.com.
The international journal of cardiovascular imaging
|July 23, 2025
概括
胸外回声心脏成像 (TTE) 通常无法准确测量心脏衰竭的左心房体积 (LAV) 与保存的喷射分数 (HFpEF). 与心血管磁共振 (CMR) 相比,TTE低估了LAV,可能错误地分类了疾病严重程度.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 诊断的准确性 诊断的准确性
背景情况:
- 心脏衰竭与保存的喷射分数 (HFpEF) 诊断依赖于症状,拥堵标志物和心脏功能.
- 左心房体积 (LAV) 是HFpEF诊断的一个关键指标.
- 心血管磁共振 (CMR) 是对左前庭精确体积评估的黄金标准.
研究的目的:
- 为了比较跨胸心回声学 (TTE) 和CMR在测量左心房体积 (LAV) 和索引 LAV (LAVi) 的准确性.
- 评估TTE和CMR在HFpEF的LAV测量中的差异的诊断影响.
主要方法:
- 系统的文献搜索,比较通过TTE和CMR测量LAV和LAVi的研究.
- 从17篇文章的数据进行元分析,其中包括1203名心脏病患者.
- 分析测量失败率,偏差和TTE和CMR之间的错误分类.
主要成果:
- 与CMR (1%) 相比,TTE的测量失败率更高 (6%).
- TTE系统地低估了LAV (偏差:20mL) 和LAVi (偏差:9mL/m2).
- 与CMR发现相比,TTE在38%的病例中错误地分类了左心房扩大.
结论:
- 由于系统的低估,LAV的TTE测量应谨慎解释.
- TTE和CMR之间的差异可能导致误诊或低估HFpEF中的疾病严重程度.
- 在HFpEF诊断中,CMR仍然是准确的LAV评估的首选方法.
关键词:
诊断的准确性 诊断的准确性心声回声扫描 (Echocardiography) 是一种心声回声扫描.心脏衰竭是因为心脏衰竭.心力衰竭保留了喷射分数.左心房的体积是左心房的体积.磁共振是一种磁共振.更多相关视频
相关概念视频
01:20Imaging Studies for Cardiovascular System III: X-Ray
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
01:21Imaging Studies for Cardiovascular System IV: CMRI
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
01:28Imaging Studies for Cardiovascular System V: CT
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...