Sareea S Al-Remeithi

Sheikh Khalifa Medical City, Abū Z̧aby, Abu Dhabi, United Arab Emirates

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Publications (2)0.71 Total impact

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    ABSTRACT: Primary immunodeficiency (PID) is a cluster of serious disorders that requires special alertness on the part of the medical staff for prompt diagnosis and management of the patient. This study explored PID knowledge and experience among pediatricians of wide educational backgrounds, practicing in the United Arab Emirates (UAE). A self-administered questionnaire was used to determine the competency of pediatricians in their knowledge of PID disorders. This study questionnaire included questions on PID signs and symptoms, syndromes associated with immunodeficiency, screening tests, interpreting laboratory tests and case management. The participants were 263 pediatricians of diverse education working in the 27 governmental hospitals in all regions of UAE. The overall performance of the pediatricians did not differ based on their age, gender, origin of certification, rank, or years of experience. Of the 50 questions, 20% of pediatricians answered correctly <60% of the questions, 76% answered correctly 60 to 79% of the questions, and 4% answered correctly ≥80% of the questions. Seventeen of the 19 PID signs and symptoms were identified by 55 to 97%. Four of 5 syndromes associated with immunodeficiency were identified by 50 to 90%. Appropriate screening tests were chosen by 64 to 96%. Attention to the laboratory reference range values as function of patient age was notably limited. There was a noteworthy deficiency in PID work-up. Therefore, implementing effective educational strategies is needed to improve the competency of pediatricians to diagnose and manage PID disorders.
    BMC Research Notes 07/2012; 5:393. DOI:10.1186/1756-0500-5-393
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    ABSTRACT: Two unrelated patients found to have hereditary vitamin D resistant rickets (HVDRR) were admitted to our hospital. This article describes the diagnosis, management and molecular basis for their disease. Both patients had severe growth and motor developmental retardation, rickets with chest deformities and pulmonary abnormalities, but no alopecia. Both had hypocalcemia, secondary hyperparathyroidism and susceptibility to pulmonary infections. In both cases, good response with normalization of abnormal biochemistries and healing of rickets was achieved with IV calcium infusion. Subsequently, improvement was maintained with oral calcium. Both children harbored the same unique missense mutation in the vitamin D receptor (VDR) gene that substituted arginine with histidine at amino acid 274 (R274H) in the VDR ligand-binding domain (LBD). R274 is a contact point for the 1alpha-hydroxyl group of 1,25(OH)2D3, the active ligand for the VDR. Functional analyses of the R274H mutation revealed a 100-fold decrease in activity compared to wild-type VDR. We describe a novel missense mutation at R274H in the VDR gene that resulted in the HVDRR syndrome in two unrelated children. Vigorous treatment using IV calcium to normalize their hypocalcemia achieved dramatic improvement in these complex and severely ill patients.
    Journal of pediatric endocrinology & metabolism: JPEM 10/2011; 24(9-10):793-9. DOI:10.1515/JPEM.2011.341 · 0.71 Impact Factor