نتایج جستجو برای: sickle cell
تعداد نتایج: 1684934 فیلتر نتایج به سال:
conclusions the results of this study showed that self-management interventions are effective in promoting self-efficacy in patients with sickle cell disease. thus, the use of self-management programs is advisable to change behaviors and promote self-efficacy in such patients. background patients with sickle cell disease suffer from various complications during their lifetime. in order to cope ...
background: hemoglobin s arises is the result of a point mutation (a-t) in the sixth codon on the -globin gene on chromosome 11 causing sickle cell anemia. the presence of fetal hemoglobin in infancy plays a relatively protective role for vaso-occlusive symptoms that are the major contributor for the morbidity and mortality among patients with sickle cell anemia. hydroxyurea, an s-phase-specif...
objective(s) sickle cell disease is a genetic disorder characterized by chronic haemolytic anaemia. haemoglobin s containing red blood cells may be susceptible to oxidative stress due to imbalance between production of reactive oxygen species and the countering effect of the various antioxidants present in the body. materials and methods we evaluated some antioxidant enzymes which include gluta...
ABSTRACT Background and objectives: This study aimed to characterize the spectrum of β-thalassemia mutations and haplotypes of sickle cell anemia in Beja tribes and other minor groups living in Port Sudan, Sudan. Methods: This descriptive cross-sectional study was carried out from March 2011 to July 2013. Overall, 209 anemic patients were screened for hemoglobinopathy ...
Background: Hemoglobin S arises is the result of a point mutation (A-T) in the sixth codon on the -globin gene on chromosome 11 causing sickle cell anemia. The presence of fetal hemoglobin in infancy plays a relatively protective role for vaso-occlusive symptoms that are the major contributor for the morbidity and mortality among patients with sickle cell anemia. hydroxyurea, an s-phase-specif...
abstract background: transcranial doppler ultrasonography results have not been previously studied in among iranian sickle cell anemia patients. the present study was performed to evaluate the pattern of intracranial flow velocities among iranian children with sickle cell anemia and the hematological parameters that can affect the time-averaged mean of maximum velocity in major intracranial art...
Sickle cell disease (SCD) is a known inherited hemoglobin disorder featured by the presence of sickle shaped erythrocytes in the blood. It can cause cerebrovascular accident (CVA) in adults and children and is responsible for the majority of the strokes in children. Repeated blood transfusion are often required in an attempt to dilute blood thus reducing the risk of vaso-occlusion and stroke in...
Abstract Background: Transcranial Doppler ultrasonography results have not been previously studied in among Iranian sickle cell anemia patients. The present study was performed to evaluate the pattern of intracranial flow velocities among Iranian children with sickle cell anemia and the hematological parameters that can affect the time-averaged mean of maximum velocity in major intracranial...
background: sickle cell disease occurs due to a mutation in β chains and the substitution of valine instead of glutamate in the sixth position of the ß-chain that causes polymerization and vascular blockage. the aim of this study was to compare the serum c, s proteins and factor v leiden between sickle cell patients and the control group. materials and methods: in this case-control study, perfo...
background & objectives: the researcher clarified that β/globin gene cluster haplotypes in patients with sickle cell anemia provide useful population data as predictors of the disease severity, gene flow, and the origins of sickle cell mutation in this region. materials and methods: a total of 150 subjects was investigated in two different groups for five polymorphism restriction sites of t...
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