aportes al estudio de la drepanocitosis: análisis clínico y hematológico en los primeros 5 años de la vida contributions to the study of drepanocytosis: clinical and hematological analysis in the first 5 years of life
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ID: 190749
1999
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Abstract
Se estudiaron 104 pacientes menores de 6 años de edad. En el 93,1 % el diagnóstico se hizo antes del primer año de la vida y en el 47,6 % fue prenatal. La mediana de seguimiento fue de 31 meses (1-108). La mayor incidencia de eventos clínicos en la anemia drepanocítica (AD) ocurrió entre 1y 3 años. El 91,6 % de las infecciones fueron pulmonares y el 21,7 % de los cuadros respiratorios se catalogaron como síndrome torácico agudo. Los eventos en la hemoglobinopatía SC (HSC) fueron menos frecuentes que en la AD. Sólo 1 paciente falleció en los casi 10 años transcurridos desde que se inició el estudio. La hemoglobina y la hemoglobina fetal (HbF) estuvieron más altas en el sexo femenino en la AD. Los haplotipos del bloque de genes b más frecuentes fueron el Benin y el Bantú. Se constató una frecuencia de a talasemia de 23,8 % en la AD y de 23,07 % en la HSC. No existió correlación entre los haplotipos Bantú y no Bantú y la a talasemia con las manifestaciones clínicas ni con los parámetros hematológicos. El seguimiento sistemático de los pacientes desde temprano en la vida disminuye la mortalidad en este período
104 patients under 6 were studied. In 93,1 % of them the diagnosis was made before the first year of life, whereas in 47.6 % it was prenatal. The median of follow-up was 31 months (1-108). The highest incidence of clinical events in sickle cell anemia (SCA) occurred between 1 and 3 years old. 91.6 % of the infections were pulmonary and 21.7 % of the respiratory episodes were considered as acute chest syndrome. The events in hemoglobinopathy SC (HSC) were less frequent than in sickle cell anemia. Only one patient died in a period of almost 10 years since the study began. Hemoglobin and fetal hemoglobin (HbF) were higher among females with SCA. The commonest haplotypes of the block of genes b were Benin and Bantu. It was observed a frequency of thalassemia of 23.8 % in sickle cell anemia and of 23.7 % in HSC. Bantu and non-Bantu haplotypes and a thalassemia were not associated with the clinical manifestations or with the hematological parameters. The systematic follow-up of the patients since the first years of life reduces mortality in this period
104 patients under 6 were studied. In 93,1 % of them the diagnosis was made before the first year of life, whereas in 47.6 % it was prenatal. The median of follow-up was 31 months (1-108). The highest incidence of clinical events in sickle cell anemia (SCA) occurred between 1 and 3 years old. 91.6 % of the infections were pulmonary and 21.7 % of the respiratory episodes were considered as acute chest syndrome. The events in hemoglobinopathy SC (HSC) were less frequent than in sickle cell anemia. Only one patient died in a period of almost 10 years since the study began. Hemoglobin and fetal hemoglobin (HbF) were higher among females with SCA. The commonest haplotypes of the block of genes b were Benin and Bantu. It was observed a frequency of thalassemia of 23.8 % in sickle cell anemia and of 23.7 % in HSC. Bantu and non-Bantu haplotypes and a thalassemia were not associated with the clinical manifestations or with the hematological parameters. The systematic follow-up of the patients since the first years of life reduces mortality in this period
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| Authors | ;Tania García Peralta;Ileana Nordet Carrera;Sergio Machín García;Alejandro González Otero;Adriana Muñiz Fernández;Gisela Martínez Antuña;Maura Wade Mateo;Eva Svarch |
| Journal | zhonghua xue ye xue za zhi = zhonghua xueyexue zazhi |
| Year | 1999 |
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