Rhabdomyolysis and hemolysis associated with sickle cell trait and glucose-6-phosphate dehydrogenase deficiency.
We report a case of severe oxidative hemolysis and rhabdomyolysis in a patient with sickle cell trait and glucose-6-phosphate dehydrogenase (G6PD) deficiency. The patient was a 34-year-old black man admitted 24 hours after vigorous exercise with myalgias, malaise, myoglobinuria, anemia, low haptoglobin, and a peripheral blood smear with bite cells consistent with oxidative hemolysis. He had two similar episodes within 21 months of the initial admission. Subsequent evaluation resulted in the diagnosis of sickle cell trait and G6PD deficiency; muscle enzyme levels were normal. G6PD deficiency and sickle cell trait can be expected to occur simultaneously in up to 1% of black males. A second red blood cell defect should be considered when severe hemolysis is seen in a person with sickle cell trait.
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