相关实验视频
Updated: Jul 16, 2025
05:50
Contrast Enhanced Vessel Imaging using MicroCT
Published on: January 27, 2011
12.7K
双能计算断层扫描用于检测状细胞疾病儿童早期的肺血管变化:试点研究
Raphael Joye1,2, Julie Wacker1,2, Duy-Anh Nguyen1
1Pediatric Cardiology Unit, Department of Woman, Child, and Adolescent Medicine, Geneva University Hospitals, Geneva, Switzerland.
Frontiers in pediatrics
|September 15, 2023
概括
双能计算断层扫描 (DECT) 可以在患有状细胞疾病 (SCD) 的儿童中检测到早期的肺血管疾病. 这种成像技术可能有助于早期识别肺高血压 (PH) 并发症,以便进行潜在的干预.
科学领域:
- 心脏病学 心脏病学
- 放射学 放射学是一门学科.
- 儿科 儿科 儿科
背景情况:
- 肺高血压 (PH) 是状细胞疾病 (SCD) 的严重,潜在的可逆并发症.
- 在患有SCD的儿童中早期发现PH对于及时干预至关重要.
- 双能计算断层扫描 (DECT) 是一种成像方式,有可能诊断PH.
研究的目的:
- 调查DECT在检测SCD儿科患者早期PH症状中的实用性.
- 评估DECT发现与PH的其他既定诊断方法之间的相关性.
主要方法:
- 一项前性观察试点研究,涉及8名患有同卵性SCD的儿童.
- 参与者接受了综合的心脏评估,包括胸前心声图 (TTE) 和心肺运动测试 (CPET).
- 所有参与者都进行了DECT成像.
主要成果:
- 所有儿童在TTE上都具有正常的双心室缩和透缩功能.
- DECT在四名儿童中发现了血管病变的迹象.
- 两个患有DECT异常的儿童在CPET上也表现出VE/VCO2倾斜度增加,在TTE上呈现出三回速度 (>2.5m/s) 的升高.
结论:
- 在患有SCD的儿童中,DECT可以检测到早期的肺血管疾病.
- 需要进一步的研究来阐明DECT发现与肺循环中的血液动力学变化之间的关系.
更多相关视频
相关概念视频
01:13Radiological Investigation III: Pulmonary Angiogram and PET Scan
113
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
113
01:20Imaging Studies for Cardiovascular System III: X-Ray
216
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...
216
01:30Radiological Investigation II: MRI and Ventilation Perfusion Scan
148
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
148
01:29Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
10
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
10
01:28Imaging Studies for Cardiovascular System V: CT
41
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...
41
01:20Imaging Studies for Cardiovascular System II:Types of Echocardiography
300
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
300