نتایج جستجو برای: computed tomographic pulmonary angiography ctpa
تعداد نتایج: 462439 فیلتر نتایج به سال:
The coronavirus disease outbreak in 2019 (COVID-19) reached devastating pandemic proportions, still representing a challenge for all healthcare workers. Furthermore, the social environment underwent significant changes and facilities were overwhelmed by COVID-19 patients. purpose of our study was to compare prevalence, characteristics outcomes 234 patients presenting with pulmonary embolism dia...
background although the aim of cardiac computed tomographic angiography (cta) is to visualize the cardiac, coronary, and great vessels, portions of noncardiac structures such as lung, mediastinum, bones and abdomen are visible on the scan. some have suggested that the scans should be evaluated in all field of view. some other believe that reporting accidental findings can lead to unnecessary fo...
BACKGROUND Diagnosis of pulmonary thromboembolism (PTE) in dogs relies on computed tomography pulmonary angiography (CTPA), but detailed interpretation of CTPA images is demanding for the radiologist and only large vessels may be evaluated. New approaches for better detection of smaller thrombi include dual energy computed tomography (DECT) as well as computer assisted diagnosis (CAD) technique...
INTRODUCTION Thoracoscopic lobectomy for congenital pulmonary airway malformation has been indicated from the neonatal period to adolescence. However, it is difficult to approach the pulmonary artery for lobectomy in congenital lung malformations with incomplete or absent interlobar fissures. Multidetector computed tomographic images and computed tomography pulmonary angiography gave us helpful...
This study evaluated the impact of contrast material on the estimation of absorbed dose due to computed tomography pulmonary angiography (CTPA) using the ICRP reference phantoms. To address this issue, we modified the previously developed physiologically based pharmacokinetic (PBPK) model to be conformed to the ICRP reference phantoms. Regarding the standard contrast material injection protocol...
Abstract Background/Introduction Chronic thromboembolic pulmonary hypertension (CTEPH) is considered to be a late complication of acute embolism (PE). However, up one third CTEPH patients do not report prior symptomatic venous thromboembolism (VTE). Furthermore, substantial proportion presenting with an PE event may exhibit radiological signs chronicity at baseline computed tomography angiograp...
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