نتایج جستجو برای: computed tomographic pulmonary angiography ctpa

تعداد نتایج: 462439  

Journal: :COVID 2021

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...

Journal: :iranian journal of radiology 0
mohammad momeni isfahan university of medical sciences; isfahan university of medical sciences maryam farghadani isfahan university of medical sciences fatemeh momeni isfahan university of medical sciences

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...

2017
C. B. Marschner M. Kokla J. M. Amigo E. A. Rozanski B. Wiinberg F. J. McEvoy

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...

2015
Mitsuyuki Nakata Shigetoshi Yoshida Takeshi Saito Keita Terui Tetsuya Mitsunaga Sachie Ohno Naoko Mise Satoru Oita Hideo Yoshida

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...

ژورنال: سنجش و ایمنی پرتو 2020

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...

Journal: :European Heart Journal 2022

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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