지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.3
- 수록면
- 28 - 35 (8page)
- DOI
- 10.5045/br.2023.2022167
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초록· 키워드
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Background Reduced harvest volumes in pediatric donors appear to have the potential to reduce donor- associated risks while maintaining engraftment in recipients; however, the allowable harvest volume reduction remains undefined.
Methods We retrospectively analyzed the data pairs of 553 bone marrow (BM) harvests from pediatric (age at harvest ＜18 yr) sibling donors and clinical outcomes of 553 pediatric (age at infusion ＜14 yr) transplant-naïve recipients to assess the optimal BM harvest volume needed from pediatric donors to obtain the desired CD34+ cell count (≥3.0×106 cells per kg of recipient weight), and to study its impact on the clinical outcomes of transplantation in pediatric recipients.
Results The minimum desired CD34+ cell count of ≥3.0×106 per kg of recipient weight was achieved for 506 (95.3%) of donor-recipient pairs. The median CD34+ cell yield was 6.4×106 per kg of recipient weight (range, 1.2‒33.8×106) in donors younger than 5 years old at harvest, 4.7×106 (range, 0.3‒28.5×106) in donors aged 5‒10 years and 2.1×106 (range, 0.3‒11.3×106) in donors older than 10 years (P ＜0.001).
Conclusion The infused CD34+ cell dose (×106 cells/kg of recipient weight) had no impact on GRFS; however, a CD34+ cell dose of ＞7×106 cells/kg of recipient weight did not improve hematopoietic recovery.
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