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Thromboembolic Complications During Endovascular Treatment of Ruptured Intracra...
Baptista, Tiago; Braz, Ana; Patrício, Madalena; Fragata, Isabel; Reis, JoãoThromboembolic phenomena are the most commonly reported complications during endovascular treatment of intracranial aneurysms with coils. Frequency of this complication varies in the literature, but authors reported rates ranging from 2.5 to 28%. Several mechanisms may be involved in the formation and migration of thrombus: it may be already existing inside the aneurysm and be dislocated and then migrate distal...
Flow Diverters Devices for Treatment of Intra-cranial Aneurysms – six Months Fo...
Baptista, Tiago; Fragata, Isabel; Ribeiro, Clara; Reis, JoãoEndoluminal reconstruction with flow diverter devices represents an innovative technique in the treatment of intracranial aneurysms. These new stents, self-expandable and of low porosity, are released through the microcatherization of the parent artery. The main goal of these systems is thereby rebuilding the vessel wall and excluding the aneurysmal formation of the arterial circulation. We show the preliminary...
Cerebral venous thrombosis imagiologic features in a pregnant woman.
Ferreira, Maria Madalena; Rios, Ana Cristina; Fragata, Isabel; Baptista, José Tiago; Manaças, Rui; Reis, JoãoCerebral venous thrombosis (CVT) is a relatively rare but serious condition potentially reversible upon accurate diagnosis and adequate therapy. The peri-partum state and pregnancy are predisposing factors and TVC accounts for about 6% of maternal deaths. Its clinical symptoms depend on the the thrombus site and extension, and also on the existing collateral vessels network. We present the case of a 33 year-old...
Carotid artery dissection.
Bandeira, Alexandra; Fragata, Isabel; Reis, JoãoInternal carotid artery dissection is a cause of ischemic stroke, particularly in young patients, without known cerebro-vascular risk factors.The authors describe the clinical and imagiological (CT scan, MRI and digital subtraction angiography) records of five patients admitted during a period of two months in the Stroke Unit of Hospital de S. José, with the diagnosis of internal carotid artery occlusion with p...
Prevalence of carotid artery disease in an ischemic stroke population: role of ...
Fragata, Isabel; Galo, Sérgio; Manita, Manuel; Ferreira, Susana; Reis, JoãoAtherosclerotic carotid disease represents approximately 20% of the causes of ischemic stroke. Effective treatment options, such as endovascular or surgical revascularization procedures, are available. Doppler Ultrasound (DUS) is a non-invasive, inexpensive, routine exam used to evaluate the presence of internal carotid artery (ICA) stenosis. We retrospectively analysed the prevalence of severe atherosclerotic ...
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