| Abstract: |
Our study aims at assessing the prevalence of (PAH) in B-thalassemia major patients, identifying the possible clinical predictors for the development of this complication and determining the timing of beginning of therapy for (PAH).This study was carried out at the Pediatric haematology Clinic of the Pediatric Hospital, Zagazig University. This study was a transsectional unicenter case control study that included a group of (70) children, they were classified as two groups:Group (1): Fifty patients diagnosed to have B-thalassemia major and regularly followed up at the haematology clinic of the Pediatric Hospital ,Zagazig university ,were recruited for this study, their ages ranged from 1.5 year-13 years, they were 26 males and 24 females.All patients recevied regular blood transfusion therapy before the age of one year; they were not clinically well known to be cardiac patients before being diagnosed as thalasemic patients.Group (2), twenty age and sex matched children apparently free from any chronic disease, as a control group.
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