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在儿科骨髓衰竭中优化诊断方法和干细胞移植结果:50年单一中心经验
Lotte Vissers1, Mirjam van der Burg1, Arjan Lankester1
1Department of Pediatric Hematology and Stem Cell Transplantation Unit, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, The Netherlands.
European journal of pediatrics
|July 13, 2023
概括
儿童骨髓衰竭 (BMF) 的存活率随着更新的指导方针和血造干细胞移植 (HSCT) 的推出而有所改善. 规范的诊断和及时的治疗是BMF和严重无形成性贫血 (SAA) 患者更好的治疗结果的关键.
科学领域:
- 血液学 血液学 血液学
- 儿科瘤学 儿科瘤学
- 干细胞移植 干细胞移植
背景情况:
- 儿童的外周血液细胞衰竭通常表明骨髓衰竭 (BMF),需要及时诊断以预防感染和出血等并发症.
- 异构造造血干细胞移植 (HSCT) 是儿童患者严重持续性细胞衰竭的主要治愈疗法,无论BMF的原因如何.
- 鉴定BMF的特定原因,如遗传性骨髓衰竭综合征 (IBMFS) 或严重无性贫血 (SAA),对于量身定制的治疗至关重要,但往往具有挑战性.
研究的目的:
- 报告儿科BMF患者的管理指南和HSCT结果,确定改善领域和未来的挑战.
- 分析HSCT队列 (2017-2023) 的5年结果数据,并将其与历史数据进行比较.
- 将IBMFS和SAA患者之间的HSCT结果进行比较,以突出IBMFS的复杂性及其对长期生存的影响.
主要方法:
- 根据50年的经验制定更新的管理建议,并于2017年实施.
- 对2017-2023年HSCT队列数据的分析,将结果与2017年之前的历史数据进行比较.
- 在患有IBMFS和SAA的儿科患者之间对HSCT结果的比较分析.
主要成果:
- 2017年以后移植的SAA患者的生存率明显改善 (5年OS 97%,EFS 85%) 与之前移植的患者相比 (OS 68%,EFS 59%).
- 在2017年之后移植的其他骨髓癌患者 (OS 89%,EFS 89%) 与之前 (OS 62%,EFS 59%) 之间观察到类似的积极趋势.
- 由于二次恶性瘤和多器官毒性,IBMFS患者在HSCT后的长期存活率低于SAA患者,强调需要个性化随访.
结论:
- 协议化,公正的诊断策略对于识别异质儿科BMF的原因,预防治疗延迟和量身定制护理至关重要.
- 及时诊断 (3个月内),高血压治疗和最大限度的支持性护理通过减轻感染和出血等并发症,显著提高了生存率.
- 针对IBMFS患者的个性化随访协议对于管理长期治疗毒性和血液外并发症至关重要,防止生存率的次要下降.
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