acquired methemoglobinemia

ac·quired met·he·mo·glo·bi·ne·mi·a

methemoglobinemia caused by various chemical agents, such as nitrites or topical anesthetics.

ac·quired me·the·mo·glo·bi·ne·mi·a

(ă-kwīrd met-hēmō-glōbi-nēmē-ă)
Form caused by various chemical agents.
References in periodicals archive ?
Both chemicals (such as aniline dyes, pesticides, and fava beans) and medications (including dapsone, nitrous oxide, and quinine-based antimalaria drugs) can cause acquired methemoglobinemia (3).
Although this is also the case for other M hemoglobins, it is not an issue in acquired methemoglobinemia or methemo globin reductase deficiency (since methemoglobin A is produced in these instances).
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.
Drugs that cause acquired methemoglobinemia are prevalent in both the hospital and the outpatient setting.
Dapsone is a common cause of acquired methemoglobinemia.
Objective: This study aimed to determine the etiologic factors of acquired methemoglobinemia in infants younger than three months in our region.
Treatment of high-risk, refractory acquired methemoglobinemia with automated red cell blood cell exchange.
3) reviewed 138 acquired methemoglobinemia cases, of which 42% were caused by dapsone, followed by benzocaine (4%) and primaquine (4%).
Ascorbic acid is not indicated in the treatment of acquired methemoglobinemia because the rate at which it reduces methemoglobin is lower than that of the intrinsic enzymatic pathways (24, 35).

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