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Allogeneic hematopoietic stem cell transplantation in children with primary immunodeficiencies: Hospital Israelita Albert Einstein experience

Author(s): Juliana Folloni Fernandes | Fabio Rodrigues Kerbauy | Andreza Alice Feitosa Ribeiro | Jose Mauro Kutner | Luis Fernando Aranha Camargo | Adalberto Stape | Eduardo Juan Troster | Gabriele Zamperlini-Netto | Alessandra Milani Prandini de Azambuja | Bruna Carvalho | Mayra de Barros Dorna | Marluce dos Santos Vilela | Cristina Miuki Abe Jacob | Beatriz Tavares Costa-Carvalho | Jose Marcos Cunha | Magda Maria Carneiro-Sampaio | Nelson Hamerschlak

Journal: Einstein
ISSN 1679-4508

Volume: 9;
Issue: 2;
Start page: 140;
Date: 2011;
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Keywords: Immunologic deficiency syndromes | Hematopoietic stem cell transplantation | Child

Objective: To report the experience of a tertiary care hospital withallogeneic hematopoietic stem cell transplantation in children withprimary immunodeficiencies. Methods: Seven patients with primaryimmunodeficiencies (severe combined immunodeficiency: n = 2;combined immunodeficiency: n = 1; chronic granulomatous disease:n = 1; hyper-IgM syndrome: n = 2; and IPEX syndrome: n = 1)who underwent eight hematopoietic stem cell transplants (HSCT)in a single center, from 2007 to 2010, were studied. Results: Twopatients received transplants from HLA-identical siblings; the othersix transplants were done with unrelated donors (bone marrow: n= 1; cord blood: n = 5). All patients had pre-existing infectionsbefore hematopoietic stem cell transplants. One patient receivedonly anti-thymocyte globulin prior to transplant, three transplantswere done with reduced intensity conditioning regimens and fourtransplants were done after myeloablative therapy. Two patientswere not evaluable for engraftment due to early death. Three patientsengrafted, two had primary graft failure and one received a secondtransplant with posterior engraftment. Two patients died of regimenrelated toxicity (hepatic sinusoidal obstruction syndrome); one patient died of progressive respiratory failure due to Parainfluenza infection diagnosed prior to transplant. Four patients are alive and well from 60 days to 14 months after transplant. Conclusion: Patients’ status prior to transplant is the most important risk factor on the outcome of hematopoietic stem cell transplants in the treatment of these diseases. Early diagnosis and the possibility of a faster referral of these patients for treatment in reference centers may substantially improve their survival and quality of life.
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