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Salvador; s.n; 2016. 182 p. ilus, tab.
Thesis in Portuguese | LILACS | ID: biblio-1001007

ABSTRACT

O acidente vascular cerebral (AVC) é uma complicação clínica grave da doença falciforme (DF). Poucos estudos avaliaram a velocidade do fluxo sanguíneo cerebral utilizando o Doppler transcraniano (DTC) e marcadores preditores do AVC na hemoglobinopatia SC (HbSC) e, desta forma, as velocidades consideradas de risco para os indivíduos com esta hemoglobinopatia são baseadas em velocidades descritas para a anemia falciforme (AF) e para a Sβ talassemia (HbS/β). Assim, o objetivo do presente estudo foi identificar marcadores preditores do AVC em indivíduos com HbSC, estabelecendo subfenótipos da doença pela associação de biomarcadores genéticos, hematológicos, bioquímicos e imunológicos com o valor da velocidade do fluxo sanguíneo cerebral. Para tanto, foi realizado um estudo transversal, onde foram investigados 68 indivíduos com HbSC. A velocidade média máxima do fluxo sanguíneo cerebral nas artérias cerebral média, carótida anterior e cerebral anterior foi determinada utilizando o DTC...


Stroke is a serious clinical complication of sickle cell disease (SCD). Only few studies have evaluated the rate of cerebral blood flow by transcranial Doppler (TCD) and stroke predictor markers on hemoglobinopathy SC (HbSC), thus, velocity considered as risk for stroke that is used to diagnose HbSC individuals are based on velocities described for the sickle cell anemia (SCA) and Sβ thalassemia. The objective of this study was to identify predictors markers of stroke in individuals with HbSC, establishing subphenotypes disease by the association of genetic biomarkers, hematological, biochemical and immunological with the value of the velocity of cerebral blood flow. For that, we conducted a cross-sectional study, which were investigated 68 HbSC individuals. The average maximum rate of cerebral blood flow in the middle cerebral artery, anterior cerebral artery and anterior carotid artery was determined using the DTC...


Subject(s)
Humans , Hemoglobin SC Disease/complications , Hemoglobin SC Disease/diagnosis , Hemoglobin SC Disease/immunology , Hemoglobin SC Disease/mortality , Hemoglobin SC Disease/pathology
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