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JYMS : Journal of Yeungnam Medical Science

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2 "Hematopoietic stem cell transplantation"
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Original Article
Etiology of Treatment Related Mortality after Hematopoietic Stem Cell Transplantation
Yong Jik Lee, Jeong Ok Hah
Yeungnam Univ J Med. 2007;24(2 Suppl):S569-579.   Published online December 31, 2007
DOI: https://doi.org/10.12701/yujm.2007.24.2S.S569
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AbstractAbstract PDF
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.
Review
Nonmyeloablative stem cell transplantation.
Myung Soo Hyun
Yeungnam Univ J Med. 2002;19(1):11-27.   Published online June 30, 2002
DOI: https://doi.org/10.12701/yujm.2002.19.1.11
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AbstractAbstract PDF
Allogenic hematopoietic stem cell transplantation is one of the effective therapy for several hematologic malignancies. Transplantation preparative regimen is designed to eradicate the patient's underlying disease and immunosuppress the patient adequately to prevent rejection of donor's hematopoietic stem cells. so, Conventional myeloablative preparative regimens with high-dose chemotherapy or radiotherapy are related to high rate of morbidity and mortality. however, It has become clear that the high-dose therapy dose not eradicate the malignancy in some patients, and that the therapeutic benefit of allogenic transplantation is largely related to graft-versus-leukemia/graft-versus-tumor (GVL/GVT) effect. An new approach is to utilize less toxic, nonmyeloablative preparative regimens to achieve engraftment and allow GVL/GVT effects to developed. This strategy reduces the risk of treatment-related mortality and allows transplantation for elderly and those with comorbidities that preclude high-dose chemoradiotherapy.

JYMS : Journal of Yeungnam Medical Science