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Revista médica de Chile

versión impresa ISSN 0034-9887


BARRIGA, Francisco et al. Allogenic hematopoietic stem cell transplantation with unrelated cord blood: Report of three cases from the Chilean cord blood bank. Rev. méd. Chile [online]. 2013, vol.141, n.8, pp.1064-1067. ISSN 0034-9887.

Public cord blood banks are a source of hematopoietic stem cells for patients with hematological diseases who lack a family donor and need allogeneic transplantation. In June 2007 we started a cord blood bank with units donated in three maternity wards in Santiago, Chile. We report the first three transplants done with cord blood units form this bank. Cord blood units were obtained by intrauterine collection at delivery. They were depleted of plasma and red cells and frozen in liquid nitrogen. Tests for total nucleated cells, CD34 cell content, viral serology, bacterial cultures and HLA A, B and DRB1 were done. Six hundred cord blood units were stored by March 2012. Three patients received allogeneic transplant with cord blood from our bank, two with high risk lymphoblastic leukemia and one with severe congenital anemia. They received conditioning regimens according to their disease and usual supportive care for unrelated donor transplantation until full hematopoietic and immune reconstitution was achieved. The three patients had early engraftment of neutrophils and platelets. The child corrected his anemia and the leukemia patients remain in complete remission. The post-transplant course was complicated with Epstein Barr virus, cytomegalovirus and BK virus infection. Two patients are fully functional 24 and 33 months after transplant, the third is still receiving immunosuppression.

Palabras clave : Anemia, Diamond-Blackfan; Blood banks; Cord blood stem cell transplantation; Leukemia; Unrelated donors.

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