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Stem Cell Transplantation in Pediatric Patients with Myelodysplastic Syndrome at a Single Institution

Stem Cell Transplantation in Pediatric Patients with Myelodysplastic Syndrome at a Single... AbstractIn MDS, the bone marrow produces abnormal, immature blood cells called blast cells. Imprecise, in half of pediatric MDS, blast count is normal. A retrospective observational study was conducted to review the outcome of our HCT in pediatric patients with MDS. Record of 35 MDS patients after BMT, 1993-2016, were reviewed. Median age at transplant was 4 yrs (0.8-14.8) and median time to transplant from diagnosis 8.1 (2.3-102.5) months. TRM was 17.1% (6); [low risk (LR) = 5 (19.2%) and high risk (HR) = 1 (11.1%)] MDS group succumbed within first 100 days. The rest were fully engrafted; [low risk = 21 (72.4%) and high risk = 8 (27.6%)]. Primary and secondary graft failure was observed in one patient each (2.9%). VOD was seen in 2 patients (5.7%) and 5 (14.3%) had hemorrhagic cystitis. With a median follow-up of 112.4 months and 12 events of mortality, 3-years OS was 68.1% ± 8.0%. No significant risk factor including age, time to transplant, disease risk group, gender, conditioning regimen, source of stem cells, or a GvHD through uni- or multi-variable analyses were found to be associated with OS. Bu/Cy/±ATG conditioning regimen showed a trend of superiority for OS and EFS in our small series. The relapse incidence in our cohort was 11.5% in LR MDS. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Haematologica Polonica de Gruyter

Stem Cell Transplantation in Pediatric Patients with Myelodysplastic Syndrome at a Single Institution

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Publisher
de Gruyter
Copyright
© 2019 Polish Society of Hematology and Transfusion Medicine, Insitute of Hematology and Transfusion Medicine. Published by Sciendo
eISSN
2300-7117
DOI
10.2478/ahp-2019-0005
Publisher site
See Article on Publisher Site

Abstract

AbstractIn MDS, the bone marrow produces abnormal, immature blood cells called blast cells. Imprecise, in half of pediatric MDS, blast count is normal. A retrospective observational study was conducted to review the outcome of our HCT in pediatric patients with MDS. Record of 35 MDS patients after BMT, 1993-2016, were reviewed. Median age at transplant was 4 yrs (0.8-14.8) and median time to transplant from diagnosis 8.1 (2.3-102.5) months. TRM was 17.1% (6); [low risk (LR) = 5 (19.2%) and high risk (HR) = 1 (11.1%)] MDS group succumbed within first 100 days. The rest were fully engrafted; [low risk = 21 (72.4%) and high risk = 8 (27.6%)]. Primary and secondary graft failure was observed in one patient each (2.9%). VOD was seen in 2 patients (5.7%) and 5 (14.3%) had hemorrhagic cystitis. With a median follow-up of 112.4 months and 12 events of mortality, 3-years OS was 68.1% ± 8.0%. No significant risk factor including age, time to transplant, disease risk group, gender, conditioning regimen, source of stem cells, or a GvHD through uni- or multi-variable analyses were found to be associated with OS. Bu/Cy/±ATG conditioning regimen showed a trend of superiority for OS and EFS in our small series. The relapse incidence in our cohort was 11.5% in LR MDS.

Journal

Acta Haematologica Polonicade Gruyter

Published: May 8, 2019

References