Arch Neurol Chicago
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The records of 68 patients with hemoglobin SC disease and 68 age- and sex-matched control patients were reviewed for neurological problems. A significant increase in retinopathy, stupor/coma, and seizures was noted in the hemoglobin SC group. ⋯ Hemoglobin SC disease may often go unrecognized as a cause of stupor and coma in older patients without other obvious manifestations of a sickling hemoglobinopathy. Factors known to precipitate sickling crisis and the associated neurological complications should be avoided, especially in patients undergoing surgery or parturition.