Magnetic Resonance Angiography
Mostrando 1-12 de 50 artigos, teses e dissertações.
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1. Follow-up of children with sickle cell anemia screened with transcranial Doppler and enrolled in a primary prevention program of ischemic stroke
ABSTRACT Background: Stroke is a serious complication of sickle cell anemia (SCA). The transcranial Doppler (TCD) is the risk-screening tool for ischemic strokes. The objective of the study was to describe the clinical progression of children with SCA who presented with high risk for stroke by TCD or relevant changes by magnetic resonance angiography (MRA)
Hematology, Transfusion and Cell Therapy. Publicado em: 2022
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2. Magnetic resonance angiography and transcranial Doppler ultrasound findings in patients with a clinical diagnosis of vertebrobasilar insufficiency
OBJECTIVE: To evaluate the findings of magnetic resonance angiography (MRA) and transcranial Doppler ultrasound (TCD) in patients with a clinical diagnosis of vertebrobasilar insufficiency (VBI). METHOD: From our outpatient neurotology clinic, we selected patients (using the criteria proposed by Grad and Baloh) with a clinical diagnosis of VBI. We excluded
Clinics. Publicado em: 20/01/2020
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3. Symptomatic Aortic Valve Mass - Cardiac Work-Up Challenges and Role of Computed Tomography Angiography: A Case Report
Abstract Cardiac papillary fibroelastoma are rare, benign cardiac tumors that may lead to lethal complications from embolization or valvular dysfunction if left untreated. When working up symptomatic tumors with concomitant angina, traditional diagnostic studies such as cardiac catheterization may predispose the patient to embolic complications if the mass i
Braz. J. Cardiovasc. Surg.. Publicado em: 26/08/2019
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4. Celiac artery compression: Dunbar syndrome
Resumo A síndrome da compressão da artéria celíaca, também denominada síndrome do ligamento arqueado mediano, síndrome do eixo celíaco ou síndrome de Dunbar, é uma doença rara causada pela compressão extrínseca do tronco celíaco pelo ligamento arqueado mediano. Ultrassonografia Doppler, angiotomografia computadorizada, angiorressonância magné
J. vasc. bras.. Publicado em: 30/05/2019
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5. Antiphospholipid syndrome and neurofibromatosis type I: a coincidence or new association?
RESUMO | Inúmeros estudos têm relatado anomalias vasculares estruturais e isquemia associada com à neurofibromatose tipo 1 que, acredita-se, resultam da disfunção da neurofibromina, a proteína tipo 1 da neurofibromatose. Casos documentados de síndrome antifosfolípide associada que atendem aos critérios diagnósticos aceitos são excepcionalmente rar
Arq. Bras. Oftalmol.. Publicado em: 2019-03
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6. Sequestro pulmonar e tratamento endovascular: um relato de caso
Resumo O sequestro pulmonar refere-se à anomalia congênita definida por massa de parênquima pulmonar não funcionante. É dividido pela existência de envoltório pleural próprio em intralobar, representando cerca de 75% dos casos, ou extralobar, responsável pelos 25% restantes. O diagnóstico é feito através de radiografia e confirmado com tomografi
J. vasc. bras.. Publicado em: 14/01/2019
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7. Pathophysiology and Diagnosis of Vertebrobasilar Insufficiency: A Review of the Literature
Abstract Introduction Vertebrobasilar insufficiency is defined as transitory ischemia of the vertebrobasilar circulation. Dizziness, vertigo, headaches, vomit, diplopia, blindness, ataxia, imbalance, and weakness in both sides of the body are the most common symptoms. Objective To review the literature regarding the three available diagnostic testing in
Int. Arch. Otorhinolaryngol.. Publicado em: 2017-09
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8. A Rare Location of Angiofibroma in the Inferior Turbinate in Young Woman
Introduction Juvenile nasopharyngeal angiofibroma is a rare benign neoplasm in the nasopharynx. The tumor tends to be locally aggressive and is typically seen in adolescent boys. Extranasopharyngeal angiofibromas have been reported sporadically in the literature. They most commonly originate from the maxillary sinus.
Int. Arch. Otorhinolaryngol.. Publicado em: 2015-06
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9. Pure Laparoscopic Radical Heminephrectomy for a Large Renal-Cell Carcinoma in a Horseshoe Kidney
Introduction Horseshoe Kidneys are the most common renal fusion anomaly. When surgery is contemplated for renal-cell carcinoma in such kidneys, aberrant vasculature and isthmusectomy are the major issues to consider. We describe a case of a pure laparoscopic radical heminephrectomy with hand-sewn management of the isthmus for a 11 cm tumour in a horseshoe k
Int. braz j urol.. Publicado em: 2013-07
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10. A comparison between magnetic resonance angiography at 3 teslas (time-of-flight and contrast-enhanced) and flat-panel digital subtraction angiography in the assessment of embolized brain aneurysms
PURPOSE: To compare the time-of-flight and contrast-enhanced- magnetic resonance angiography techniques in a 3 Tesla magnetic resonance unit with digital subtraction angiography with the latest flat-panel technology and 3D reconstruction in the evaluation of embolized cerebral aneurysms. INTRODUCTION: Many embolized aneurysms are subject to a recurrence of i
Clinics. Publicado em: 2011
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11. Comparação das alterações da motilidade segmentar e da perfusão miocárdica durante o estresse pela dobutamina-atropina, pela ecocardiografia com contraste e pela ressonância magnética, na detecção de doença arterial coronária obstrutiva / Comparison of wall motion and myocardial perfusion abnormalities during dobutamine-atropine stress with myocardial contrast echocardiography and magnetic resonance imaging for the detection of obstructive coronary artery disease
The detection of left ventricular (LV) wall motion abnormalities induced by pharmacological or physical stress has a well established role in the non-invasive determination of myocardial ischemia. However, following the temporal sequence of events in the ischemic cascate, perfusion heterogeneity is one of the earliest and may occur before wall motion abnorma
Publicado em: 2010
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12. Estudo comparativo entre ultra-sonografia com Doppler colorido, angiografia por ressonância magnética, por subtração digital 2D e 3D na doença dos vasos carotídeos cervicais / A comparative study of Doppler ultrasound, magnetic resonance angiography, 2D and 3D digital subtraction angiography in cervical carotid stenoocclusive disease
INTRODUCTION: Noninvasive techniques such as Doppler ultrasound (DUS) and contrast enhanced magnetic resonance angiography (CEMRA) are each day more used in the evaluation of the internal carotid arteries (ICA). On comparison studies 2D digital subtraction angiography (2D DSA) has been considerate as the reference standard, however its an expensive and invas
Publicado em: 2009