[Efficacy and Safety of MSC Infusion in Treatment of Children with Refractory LOHC: A Clinical Study].

Objective: To study the curative effect and safety of menchymal stem cell infusion in treatment of children with refractory late-onset hemorrhagic cystitis(LOHC) after allogeneic HSCT.

Methods: Thirty cases of children with refractory LOHC after allo-HSCT in our department between December 2010 and July 2016 were analyzed retrospectively, out of 30 cases 7 received MSC treatment. The used MSC of all were four-to-five generation MSC from bone marrows of third party donors, and were infused into patients with (1.