没有回声,没有问题吗? 肺栓塞患者中右心应变的预测因素
Jessica V Downing1, Stephanie Cardona2, Quincy K Tran1
1Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, United States of America; Program in Trauma, R Adams Cowley Shock Trauma Center, University of Maryland Medical Center, Baltimore, MD, United States of America.
The American journal of emergency medicine
|March 23, 2025
概括
肺栓塞 (PE) 中的右心应变 (RHS) 可以通过生命体征,乳酸盐水平,透静血压和CT血管学发现进行估计,当心声回声无法获得时. 这些指标有助于预测PE患者的RHS.
科学领域:
- 心脏病学 心脏病学
- 放射学 放射学是一门学科.
- 关键护理医学 关键护理医学
背景情况:
- 在肺栓塞 (PE) 中的右心应变 (RHS) 通常使用跨胸心回声学 (TTE) 进行诊断.
- 由于TTE的可访问性有限,因此需要使用替代方法来评估PE患者的RHS.
- 生命体征,实验室标记和计算机断层扫描血管造影 (CTA) 是估计RHS的潜在指标.
研究的目的:
- 调查生命体征,实验室标志物和CTA发现与PE患者TTE的RHS之间的关联.
- 为了确定可靠的预测器的RHS在PE患者当TTE不是随时可用的.
主要方法:
- 转移到四级中心的成人PE患者的回顾性图表审查 (2019-2022年).
- 在转移请求和抵达时收集生命体征和实验室值.
- 一个研究放射学家对CTA的重新解释.
- 利用混合分类和回归树 - - 物流回归模型来识别RHS预测因素.
主要成果:
- 包括185名患者,其中75%在TTE上表现出RHS.
- 较低的乳酸盐 (<2 mmol/L) 与较高的透析血压 (>63 mmHg) 与RHS (OR 0.23) 的可能性降低相关.
- 年龄,心率 (>90bpm) 和乳酸 (2-8.5 mmol/L) 的特定组合显著降低了RHS的可能性 (OR 0.064).
- 心率升高和RHS的阳性CTA发现与RHS的可能性增加有关 (分别为1.01和2.43).
结论:
- 心率,乳酸水平,透气血压和CTA发现是PE患者RHS的显著预测因素.
- 对这些变量进行全面评估对于在TTE不可用时估计RHS至关重要.
- 这些发现可以帮助临床医生管理PE患者怀疑或确诊RHS.
相关概念视频
Imaging Studies for Cardiovascular System III: X-Ray
118
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...
118
Imaging Studies for Cardiovascular System I:Echocardiography
280
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
280
Imbalances in Cardiac Output
1.2K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.2K
Pulmonary Hypertension: Classification and Pathogenesis
138
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
There are various classifications for PH, each relating to different underlying causes and also...
138
Exercise Stress Test
149
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
149


