Hematopoietic stem cell transplantation (HSCT) has offered a curative approach for treating patients with severe combined immunodeficiency (SCID). However, HSCT may have long-term effects on some of these patients. This article reviews the literature regarding long-term neurocognitive function of patients who have received HSCT for SCID, including the effect of disease-specific characteristics, psychosocial factors, being a chronically ill child, and transplant-related factors.
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