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HOME > J Yeungnam Med Sci > Volume 24(2 Suppl); 2007 > Article
Original Article Etiology of Treatment Related Mortality after Hematopoietic Stem Cell Transplantation
Yong Jik Lee, Jeong Ok Hah
Journal of Yeungnam Medical Science 2007;24(2 Suppl):S569-579
DOI: https://doi.org/10.12701/yujm.2007.24.2S.S569
Published online: December 31, 2007
Department of Pediatrics College of Medicine, Yeungnam University, Daegu, Korea
Corresponding author:  Jeong Ok Hah, Tel: (053) 620-3530, Fax: (053) 629-2252, 
Email: johah@med.yu.ac.kr
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Bactground:The etiologies of treatment related mortality (TRM) after hematopoietic stem cell transplantation (HSCT) have been variable according to the disease status or the centers. We evlauated the etiologies of TRM for the pediatric patients at Yeungnam University Hospital (YNUH). Materials and Methods:The records of 66 patients, 19 years of age or younger, who had HSCT at YNUH from September 1995 to August 2007 were reviewed.
Results
:Among 66 patients, allogeneic bone marrow transplantation (Allo-BMT) was done in 21 (19 related, 2 unrelated), allogeneic peripheral blood stem cell transplantation (Allo- PBSCT) in 1, cord blood transplantation (CBT) in 12 (1 related, 11 unrelated), autologous peripheral blood stem cell transplantation (Auto-PBSCT) in 32 patients. The TRM rates of Allo-BMT, CBT, and Auto-PBSCT were 19%, 33.3%, and 12.5%, respectively. Among four patients who had TRM after Allo-BMT, two were related transplantation and the others were unrelated. All four patients developed severe acute GVHD of at least grade Ⅲ. Sepsis developed in three patients, acute renal failure (ARF) in two, veno-occlusive disease (VOD) and thrombotic microangiopathy (TMA) in one patient each. All four patients who had TRM after CBT had two mismatches in HLA-A, B, DR, and engraftment syndrome developed in three. Sepsis developed in all four patients, VOD in two, encephalopathy in two, TMA and ARF in one patient each. All four patients who had TRM after Auto-PBSCT developed sepsis and ARF in two, VOD and TMA in one patient each.
Conclusion
:Although the number of cases were not large enough for firm conclusion, sepsis was the most common TRM after HSCT. Therefore, prevention and control of sepsis are very important in reducing TRM after HSCT. Outcomes of severe acute GVHD after Allo-BMT and engraftment syndrome after CBT are very poor and contribute for TRM. Continuous effort to reduce the incidence of GVHD and engraftment syndrome are needed.

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