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Management of refractory hemorrhagic cystitis following hematopoietic stem cell transplantation in children

Authors

  • Zuzana Hassan

    1. Center for Allogeneic Stem Cell Transplantation
    2. Experimental Cancer Medicine, Department of Laboratory Medicine, Clinical Research Center Novum, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
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Zuzana Hassan, MD, PhD, Experimental Cancer Medicine, Clinical Research Center Novum, 6th Floor, Karolinska University Hospital Huddinge, SE-141 86 Stockholm, Sweden
Tel: +46 8 58580000
Fax: +46 8 58583810
E-mail: zuzana.hassan@ki.se

Abstract

Hassan Z. Management of refractory hemorrhagic cystitis following hematopoietic stem cell transplantation in children.
Pediatr Transplantation 2011: 15: 348–361. © 2011 John Wiley & Sons A/S.

Abstract:  HC is a complication associated with HSCT, but occurs rarely in solid organ recipients. The reported incidence varies from <10% to more than 70%. HC is characterized by hemorrhagic inflammation in urinary tract mucosa with symptoms varying from asymptomatic microscopic hematuria to frank hematuria with clot formation and urinary tract obstruction. Early onset HC may be explained by toxicity of chemo- and/or radiotherapy, while multiple factors including viral infections and their interplay seem to be involved in late onset HC. So far, only incidence of cyclophosphamide-associated HC has been reduced with preventive treatment. Likely, once HC is established, the treatment principles are similar regardless of the etiology and depend on the intensity of HC. Prevention of urinary tract obstruction, transfusion support, analgesic, and spasmolytic therapy are generally accepted in HC management. Treatment beyond this conservative approach entails higher risk for side effects, and thus treatment escalation proportional to HC intensity is warranted. No standard and evidence-based treatment escalation algorithm has been widely adopted yet. As severe HC following HSCT is a potentially life-threatening complication, a multidisciplinary and individual approach is required in children suffering from this devastating complication.

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