منابع مشابه
Pathophysiology of extracranial cerebral arterial stenosis--a critical review.
THE PURPOSE OF THIS REVIEW IS to discuss the phenomenon of stenosis in extracranial cerebral arteries, its effects on normal blood flow patterns and the biological and clinical implications for the extracranial cerebral circulation. Stenosis, generally defined as a narrowing or constriction, is of particular interest because of its potential to decrease blood flow. Stenosis of the extracranial ...
متن کاملRenal Arterial Stenosis
N 1962, we 1 published a report on the value of the comparative Usodium/Ucreatinine ratio in the diagnosis of hypertension due to renal arterial stenosis. This ratio is defined as the proportional relation between the concentration of sodium and creatinine (U5Odiu./Ucreatinine) in the urine issuing simultaneously from each ureter. We also suggested that routine performance of dehydrated-hydrate...
متن کاملNumerical Study of Hemodynamic Wall Parameters on Pulsatile Flow through Arterial Stenosis
In this paper hemodynamic wall parameters which play an important role to diagnose arterial disease were studied and compared for three different rheology models (Newtonian, Power law and Quemada). Also because of the pulsatile behavior of blood flow the results were obtained for three Womersley numbers which represent the frequencies of the applied pulses. Results show that Quemada model alway...
متن کاملProgress Review Pathophysiology of Extracranial Cerebral Arterial Stenosis A Critical Review
THE PURPOSE OF THIS REVIEW IS to discuss the phenomenon of stenosis in extracranial cerebral arteries, its effects on normal blood flow patterns and the biological and clinical implications for the extracranial cerebral circulation. Stenosis, generally defined as a narrowing or constriction, is of particular interest because of its potential to decrease blood flow. Stenosis of the extracranial ...
متن کاملArterial duct angioplasty as an adjunct to dilatation of the valve for critical pulmonary stenosis.
OBJECTIVE To assess the efficacy of arterial duct angioplasty in maintaining adequate ductal patency in neonates with critical pulmonary valve stenosis. PATIENTS Two neonates presenting with cyanosis due to critical pulmonary valve stenosis with severe right ventricular hypoplasia underwent percutaneous balloon dilatation of the pulmonary valve. Despite successful dilatation, both remained cy...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1974
ISSN: 0003-4932
DOI: 10.1097/00000658-197407000-00007