一个冷案例:冷凝聚素疾病使干细胞移植复杂化
Majed W Al-Nazer1, Sara Alsammerai2, Hemalatha G Rangarajan1
1Pediatric Blood and Marrow Transplant Program, Nationwide Children's Hospital and The Ohio State University, Columbus, Ohio, USA.
Case reports in transplantation
|February 26, 2026
概括
一种罕见的捐赠者并发症,冷凝素综合征 (CAS),导致血液细胞移植 (HCT) 后的移植功能不佳. 随后的CAS阴性干细胞提升成功恢复了移植,突出显示了供体查的重要性.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 移植科学 移植科学
背景情况:
- 全基性造血细胞移植 (HCTs) 对血液病有治愈作用.
- 干细胞输液反应很常见,但通常是轻微的.
- 缺陷的移植功能 (PGF) 可能发生在HCT后.
研究的目的:
- 在干细胞捐赠者中报告一例罕见的二次冷凝聚素综合征 (CAS).
- 描述供体CAS对受体移植功能的影响.
- 强调在HCT中捐赠者评估的重要性.
主要方法:
- 一个27岁的T细胞急性淋巴细胞白血病 (ALL) 患者的病例报告.
- 患者接受了9/10 HLA不匹配的无关的外周血液干细胞移植.
- 捐赠者在捐赠前患上上呼吸道感染和CAS.
主要成果:
- 接受者经历了输液反应 (发烧,心动减速,高血压).
- 观察到最初的移植,但患者有持续的输血依赖 (PGF).
- 来自CAS阴性供体的第二次CD34选择干细胞激活导致了成功的移植.
结论:
- 捐赠者衍生的CAS是一种罕见但显著的并发症,影响HCT结果.
- 全面的供体查和管理对于预防PGF至关重要.
- 通过随后的CAS阴性干细胞支持,可以实现成功的移植.
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