HC/UFPR accounted for 46.0% of these procedures performed in Paraná. There were no significant variations in the sex distribution (p=0.788) and number of HSCT (p=0.213). 59.5% of the patients were from PR, 49.4% were between 0 and 17 years old, 79.9% were white, and 63.5% were male. The allogeneic HSCT was the most performed procedure (88.5%). 58.5% were hospitalized from 31 to 60 days (mean=37.6 days). 9.1% died. Acquired aplastic anemia was the most common underlying disease (31.9%). Conclusion: HSCT is a procedure of high cost and complexity. The study and the understanding of the determinants of its success are of extreme importance for the best planning, risk estimation and elaboration of public health policies.