相关实验视频
Updated: Jul 15, 2025

07:44
A Porcine Model of Acute Autologous Pulmonary Embolism
Published on: September 6, 2024
428
对于怀孕期间疑似肺栓塞的高级成像利用的十年趋势
Sameer K Goyal1, Jason J Wang2, John Austin McCandlish3
1Department of Radiology, Northwell Health, Manhasset, New York.
Journal of the American College of Radiology : JACR
|September 29, 2023
概括
在怀孕期间肺栓塞 (PE) 的高级成像显著增加,CT肺血管造影 (CTPA) 推动了这一趋势. 尽管使用率更高,但PE检测率下降,强调了辐射风险考虑.
科学领域:
- 放射学 放射学是一门学科.
- 产科 产科 产科 产科 产科
- 肺部病理学 肺部病理学
背景情况:
- 先进的成像对于诊断怀孕患者的肺栓塞 (PE) 非常重要.
- 孕产妇和胎儿的辐射暴露是这些成像方式的重大问题.
研究的目的:
- 分析使用先进成像用于怀孕期间怀疑PE的10年趋势.
- 评估相对于PE检测和局部怀孕率的成像率的变化.
主要方法:
- 在2007年至2016年期间,对接受CT肺血管造影 (CTPA) 或肺透造影 (LS) 进行PE评估的孕妇患者进行了回顾性审查.
- 对成像利用趋势,阳性PE率和局部怀孕率的分析.
- 使用千平方测试来确定显著性的统计分析 (P < .05).
主要成果:
- 高级成像研究在10年内增加了72%,CTPA是主要的模式 (92.5%).
- 每1000例怀孕的成像研究从2007年的0.7例翻了一番,到2016年的1.4例.
- 在先进成像中检测到阳性PE的比率从2007年的3%下降到2016年的0%.
结论:
- 妊娠中PE的高级成像已经大幅增加,主要是由于CTPA使用量的增加.
- 尽管使用率增加,但PE的诊断产量有所下降.
- 这些发现强调了在这种患者群体中仔细权衡辐射风险和成本的重要性.
相关概念视频
Pulmonary 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
Pulmonary Embolism III: Nursing Management
15
A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
15
Radiological Investigation III: Pulmonary Angiogram and PET Scan
108
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...
108
Pulmonary Embolism I: Introduction
7
Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
7
Radiological Investigation II: MRI and Ventilation Perfusion Scan
143
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...
143
Imaging Studies for Cardiovascular System III: X-Ray
206
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...
206

