Glucose 6 phosphate dehydrogenase deficiency. A case seriesResumen Describimos las características clínicas y de laboratorio de 50 individuos con deficiencia de glucosa-6-fosfato deshidrogenasa (D-G6PD). La D-G6PD representó el 1,1% de los diagnósti-cos realizados. Se detectó la coexistencia de D-G6PD con otra eritropatía: G6PD/Hb S en 2 pacientes y G6PD/esferocitosis congénita en 1 paciente. Todos los varones (100%) presentaron una prueba de Brewer (PB) positiva, pero sólo el 56% de las mujeres la presentaron. La actividad enzimática media (AEM) de los varones fue de 0,85 ± 0,52 U/g Hb. La AEM de las mujeres con PB positiva fue de 3,82 ± 1,26 U/g Hb y fue de 5,65 ± 2,84 U/g Hb en las mujeres con PB negativa. Todos los individuos recibieron asesoramiento genético y la lista de fármacos y alimentos con efecto oxidante. Resaltamos la importancia de incluir una prueba de pesquisa en el estudio de las anemias, para detectar individuos asintomáticos y la coexistencia con otras eritropatías. Palabras clave: enzimopatía, G6PD, anemia hemolítica, ictericia. AbstRActWe describe the laboratory and clinical characteristics of 50 patients with glucose 6 phosphate dehydrogenase deficiency (G6PD). G6PD deficiency represented 1.1% of all the diagnosis made. Coexistence of G6PD with other erythropathy was detected as follow: G6PG/HbS 2 patients and G6PG/hereditary spherocytosis 1 patient. A positive Brewer's test was found in 100% of males but in only 56% of women. Males had a mean enzymatic activity (MEA) of 0.85 ± 0.52 U/g Hb. Women, with positive Brewer's test, showed a MEA of 3.82 ± 1.26 U/g Hb, while the MEA of women with negative Brewer's test was 5.65 ± 2.84 U/g Hb. Genetic counseling and the list of food and drugs potentially harmful was given to all patients. The inclusion of simple screening tests, such as Brewer's test, in the study of anemia, enables us to detect asymptomatic males and carriers in whom this enzymopathy was co-inherited with another erythropathy.
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