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Robert L. Hudson, MD; Oswaldo Castro, MD; Jerry L. Spivak, MD; Calvin Sampson, MD; John W. Downing, MD

Am J Dis Child. 1978;132(2):149-151.

Abstract
• A child with homozygous sickle cell disease and transposition of the great vessels had erythrocytosis associated with markedly increased plasma erythropoietin activity. Her clinical course was complicated by neurologic manifestations but not by recurrent sickle cell vaso-occlusive episodes. The fetal hemoglobin level which had been greater than 25% during the first two years of life gradually decreased to less than 10%. She died at 3 years of age of congestive heart failure and severe anemia. The only sickle cell painful crisis occurred during her terminal illness. It is likely that the high levels of fetal hemoglobin decreased sickling and thus allowed erythrocytosis to develop. Fetal hemoglobin may also have prevented frequent vaso-occlusive events despite the high hematocrit level.

(Am J Dis Child 132:149-151, 1978)

Author Affiliations
From the Departments of Pediatrics (Drs Hudson, Castro, and Downing) and Pathology (Dr Sampson), Howard University College of Medicine, Washington, DC and from the Department of Medicine (Dr Spivak) Johns Hopkins University School of Medicine, Baltimore.

Footnotes
Reprint requests to Center for Sickle Cell Disease, 2121 Georgia Ave NW, Washington, DC 20059 (Dr Castro).

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