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How to reach rapid diagnosis in sickle cell disease?
Iranian Journal of Pediatrics. 2010; 20 (1): 69-74
en Inglés | IMEMR | ID: emr-99073
ABSTRACT
Sickle cell disease [SCD] is a common hereditary disease in Iran. In developed countries, newborn screening programs have been established to ensure early diagnosis, but in most developing countries, screening is not performed and the diagnosis is often delayed. The aim of the present work was to investigate the clinical presentation of SCO in Iran and comparison of its hematologic indices with normal children. The study included 44 pediatric patients [26 boys and 18 girls] with sickle cell anemia [SS], 27 sickle / beta °-thalassemia [S beta °], and 21 sickle /beta [+]-thalassemia [S beta[+]]. Fifty seven healthy individuals matched with the patients were randomly selected as controls. Mean age at diagnosis in SS group was 4.3 years. At the time of diagnosis all patients were anemic, 89% complained of painful crises. Hemoglobin[Hb] concentration, red blood cell [RBC] count and HbxRBC product in SS group was significantly lower than in control group [P<0.001], mean corpuscular volume [MCV] and mean corpuscular hemoglobin [MCH] showed no significant differences. HbxRBC product below 45 and MCH/RBC above 7 have the best sensitivity and specificity for differenting SS group and the control normal group [91 and 98% for HbxRBC arid 89 and 100% for MCH/RBC respectively]. Mean age at diagnosis in S beta [+] group was higher than in SS and Sp° groups [7.45 year vs 4.26 and 4.25 year] [P<0.001]. In addition, S beta ° and S beta[+] groups had significantly lower MCV, MCH, and HbxRBC indices compared with control group. We suggest that in an anemic patient with history of pain crises, normochrome normocytic anemia, HbxRBC <45 and MCH/RBC >/= 7, SCD should be considered and the patient evaluated accordingly to confirm the diagnosis
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Índice: IMEMR (Mediterraneo Oriental) Asunto principal: Hemoglobinas / Recuento de Eritrocitos / Índices de Eritrocitos / Hematócrito / Enfermedad de la Hemoglobina SC Tipo de estudio: Estudio de tamizaje Límite: Adolescente / Niño / Child, preschool / Femenino / Humanos / Masculino Idioma: Inglés Revista: Iran. J. Pediatr. Año: 2010

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Índice: IMEMR (Mediterraneo Oriental) Asunto principal: Hemoglobinas / Recuento de Eritrocitos / Índices de Eritrocitos / Hematócrito / Enfermedad de la Hemoglobina SC Tipo de estudio: Estudio de tamizaje Límite: Adolescente / Niño / Child, preschool / Femenino / Humanos / Masculino Idioma: Inglés Revista: Iran. J. Pediatr. Año: 2010