Methemoglobinemia in children

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Methemoglobinemia in children: how to explain the results?

DOI: 10.5581/1516-8484.20120003 All pigments of hemoglobin (oxyhemoglobin, methemoglobin, sulphemoglobin and carboxyhemoglobin) are of clinical importance and each has a laboratorial characteristic in the absorption spectrum. Methemoglobin, in which the ferrous iron atom of the heme group has been oxidized to a ferric iron atom, is unable to carry molecular oxygen. Various red cell enzymes conv...

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Congenital Methemoglobinemia

Congenital methemoglobinemia is a rare cause of cyanosis. We report a case of a girl, 17 years old with peripheral cyanosis and normal cardio-pulmonary system. She was diagnosed as a case of methemoglobinemia based on findings of polycythemia and HbM band on hemoglobin electrophoresis. We emphasize the importance of this rare entity in the differential diagnosis of cyanosis.

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Acquired methemoglobinemia in infants.

OBJECTIVE This study aimed to determine the etiologic factors of acquired methemoglobinemia in infants younger than three months in our region. METHODS This study was carried out retrospectively in infants with methemoglobinemia admitted to Karadeniz Technical University, Pediatric Clinic, during the period 2000-2009. Infants with methemoglobinemia were identified according to the medical rec...

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About methemoglobinemia.

I would like to add to this well written article that we have also reported acquired methemoglobinemia cases with administration of cytanest in puerperal women with g6PD deficiency and infants in whom erythrocyte cytochrome 65 reductase was assoyed [1-4], which is the main enzyme for methemoglobin reductase in erythrocytes as mentioned by the authors. In addition, hereditary methemoglobinemias ...

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ژورنال

عنوان ژورنال: Revista Brasileira de Hematologia e Hemoterapia

سال: 2012

ISSN: 1516-8484

DOI: 10.5581/1516-8484.20120003