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Metemoglobinemia em pacientes com malária por Plasmodium vivax em uso oral de primaquina / Methemoglobinemia in patients with Plasmodium vivax receiving oral therapy with primaquine
Ferreira, Michelli Erica Souza; Gomes, Margarete do Socorro Mendonça; Vieira, José Luiz Fernandes.
  • Ferreira, Michelli Erica Souza; Universidade Federal do Pará. Belém. KY
  • Gomes, Margarete do Socorro Mendonça; Universidade Federal do Pará. Belém. KY
  • Vieira, José Luiz Fernandes; Universidade Federal do Pará. Curso de Farmácia. Laboratório de Toxicologia. Belém. KY
Rev. Soc. Bras. Med. Trop ; 44(1): 113-115, Jan.-Feb. 2011. tab
Article in Portuguese | LILACS | ID: lil-579845
RESUMO

INTRODUÇÃO:

A primaquina pode acarretar sérios eventos adversos, com destaque para a toxicidade ao sangue. O objetivo deste trabalho é determinar a metemoglobinemia de 20 pacientes com malária por Plasmodium vivax tratados com primaquina, comparando-os segundo o sexo e a expressão da glicose-6-fosfato desidrogenase.

MÉTODOS:

Quantificação da metemoglobina por espectrofotometria visível e avaliação qualitativa da glicose-6-fosfato desidrogenase.

RESULTADOS:

A metemoglobinemia variou de 2,85 a 5,45 por cento nos pacientes do sexo masculino e de 3,77 a 7,34 por cento no feminino.

CONCLUSÕES:

A instituição da terapia aumentou de maneira significativa os teores de metemoglobina, sem manifestação clínica evidente e independente do sexo e da atividade enzimática.
ABSTRACT

INTRODUCTION:

Primaquine can produce adverse reactions as toxicity to blood when used in the treatment of vivax malaria. This work aimed to determine methemoglobinemia in patients with vivax malaria receiving oral therapy with primaquine.

METHODS:

Spectrophotometric quantification of methemoglobinemia and qualitative assay for glucose-6-phosphate dehydrogenase.

RESULTS:

Methemoglobinemia ranged from 2.85 to 5.45 percent in male patients and 3.77 to 7.34 percent in female patients.

CONCLUSIONS:

A statistically significant increase in methemoglobinemia was observed following oral therapy with primaquine, with no clinical manifestations, and independent of sex and the qualitative expression of glucose-6-phosphate dehydrogenase.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Primaquine / Malaria, Vivax / Glucosephosphate Dehydrogenase / Methemoglobinemia / Antimalarials Type of study: Observational study / Qualitative research Limits: Adolescent / Adult / Female / Humans / Male Language: Portuguese Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Pará/KY

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Full text: Available Index: LILACS (Americas) Main subject: Primaquine / Malaria, Vivax / Glucosephosphate Dehydrogenase / Methemoglobinemia / Antimalarials Type of study: Observational study / Qualitative research Limits: Adolescent / Adult / Female / Humans / Male Language: Portuguese Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Pará/KY