2000
DOI: 10.1590/s1516-84842000000200007
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Diagnóstico laboratorial de hemoglobinopatias em populações diferenciadas

Abstract: As hemoglobinopatias são um grupo heterogêneo de distúrbios herdados recessivamente que incluem as talassemias e as doenças falciformes. As mutações que as originam são específicas de algumas regiões e em muitos casos determinadas por distribuições étnicas e geográficas, fundamentando os programas de controle destas alterações e o aconselhamento genético. O diagnóstico de alterações de hemoglobinas envolve cuidados com a metodologia aplicada e o grupo populacional que será avaliado. A informação sobre o tipo d… Show more

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Cited by 31 publications
(44 citation statements)
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References 12 publications
(10 reference statements)
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“…16 In this study, the prevalence of β-thal (0.60%) was similar to what had previously been found in other investigations in Brazil (from 0.38% to 1%). 25,26 However, it was lower than the rate reported by Aigner et al 23 (5.50%) in a study carried out in Paraná, where there is a high proportion of Italian descendants.…”
Section: Discussionmentioning
confidence: 69%
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“…16 In this study, the prevalence of β-thal (0.60%) was similar to what had previously been found in other investigations in Brazil (from 0.38% to 1%). 25,26 However, it was lower than the rate reported by Aigner et al 23 (5.50%) in a study carried out in Paraná, where there is a high proportion of Italian descendants.…”
Section: Discussionmentioning
confidence: 69%
“…However, application of these tests separately is unreliable and not recommended for the majority of hemoglobinopathies, which highlights the need to use complementary molecular techniques, especially for α-thal in cases of association with other hemoglobinopathies. 5,12,16,24,26 …”
Section: Discussionmentioning
confidence: 99%
“…It is estimated that between 700 and 1,000 children with sickle cell diseases are born every year (10) . A more recent study estimates that, in Brazil, there are about 4 million individuals with the sickle cell trait and nearly 30,000 affected by severe forms of the disease, including sickle cell anemia (Hb SS), Hb SC disease and the interaction between beta thalassemia and Hb S (1) . The expansion of Hb S occurred in the Pre-Neolithic period, between 10,000 and 2,000 B.C., marked by miscegenation among different peoples of the Saharan region.…”
Section: Ofmentioning
confidence: 99%
“…Alkaline hemoglobin electrophoresis on cellulose acetate continues to be the basic methodology to qualify a great number of mutant hemoglobins. Currently, the introduction of alternative techniques, such as isoelectric focalization and high resolution liquid chromatography has enabled a better analysis of variant hemoglobins (1) . Early diagnosis is essential, once it would prevent complications resulting from the disease, and it can even be performed in the pre-natal period.…”
Section: Ofmentioning
confidence: 99%
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