نتایج جستجو برای: multidetector
تعداد نتایج: 4206 فیلتر نتایج به سال:
Multiparametric multidetector computed tomography scanning on suspicion of hyperacute ischemic stroke: validating a standardized protocol Avaliação multiparamétrica por tomografia computadorizada multidetectores na suspeita de isquemia cerebral hiperaguda: validando um protocolo padronizado Felipe Torres Pacheco1, Antônio José da Rocha1, Ingrid Aguiar Littig1, Antonio Carlos Martins Maia Júnior...
Pseudoaneurysm of lumbar artery is a rare and late complication of penetrating trauma. We report the Doppler ultrasonography and multidetector computed tomography angiography findings and endovascular embolization treatment of a pseudoaneurysm of lumbar artery in a 14-year-old girl following a gunshot wound.
Background According to the recent guidelines, revascularization is recommended (class I) for the symptomatic patients of an anomalous origin of the right coronary artery. However, the long-term outcome of several operations is not fantastic due to their pros and cons. We sought to determine whether multidetector computer tomography (MDCT) coronary angiography would be a good preoperative clue ...
This editorial refers to ‘The diagnostic accuracy of 256row computed tomographic angiography compared with invasive coronary angiography in patients with suspected coronary artery disease’, by S.-P. Chao et al., on page 1916 and ‘Diagnostic accuracy of 320-row multidetector computed tomography coronary angiography in the noninvasive evaluation of significant coronary artery disease’, by F.R. de...
OBJECTIVES The aim of this study was to demonstrate the first-in-human feasibility and short-term clinical outcomes with a new balloon-expandable transcatheter heart valve (THV). BACKGROUND The SAPIEN 3 (S3) THV incorporates a paravalvular sealing system, an active 3-dimensional coaxial positioning catheter, and is compatible with a 14-F expandable sheath. METHODS The S3 THV was implanted i...
PURPOSE To use meta-analysis to determine the diagnostic accuracy of contrast agent-enhanced multidetector computed tomography (CT) in primary acute mesenteric ischemia (AMI). MATERIALS AND METHODS The PubMed search engine and five other electronic databases were searched for "mesenteric ischemia," "computed tomography," and related terms in articles published between January 1996 and Septemb...
perivascular epithelioid cell tumor (pecoma) is a rare mesenchymal tumor composed of immunohistochemically and histologically distinctive perivascular epithelioid cells. here, we report on the computed tomography (ct) and magnetic resonance imaging (mri) findings of ovarian pecoma with pulmonary metastasis. the tumor was visible as a multilocular hemorrhagic mass that encased the ovarian vessel...
conclusion the designed split-bolus mdct technique can be proposed alternatively to triphasic mdct and in a single-pass to pvp in the initial staging and in the follow-up respectively in oncologic patients. patients and methods we retrospectively analyzed the follow-up split-bolus 64-detector row ct protocol in 36 oncologic patients to characterize focal liver lesions. the split-bolus mdct prot...
BACKGROUND Aortic root rupture is a major concern with balloon-expandable transcatheter aortic valve replacement (TAVR). We sought to identify predictors of aortic root rupture during balloon-expandable TAVR by using multidetector computed tomography. METHODS AND RESULTS Thirty-one consecutive patients who experienced left ventricular outflow tract (LVOT)/annular/aortic contained/noncontained...
BACKGROUND AND PURPOSE Calcification has been associated with carotid plaque stability; however, an acceptable in vivo method to define plaques based on this component remains to be developed. The purpose of our study was to compare calcified and noncalcified volumes of carotid artery culprit symptomatic plaques with asymptomatic plaques using multidetector computed tomography. METHODS We ide...
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