与骨髓移植中污染风险增加相关的因素
Eashwar Somasundaram1, Rachel Gill2, Nicole Hartford2
1Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts.
Transplantation and cellular therapy
|November 14, 2024
概括
血液细胞移植 (HCT) 的骨髓收获中的微生物污染与男性供体性别有关. 这一发现来自于一项大型单一中心研究,表明皮肤菌群或卫生习惯的潜在差异.
科学领域:
- 血液学 血液学 血液学
- 移植科学 移植科学
- 微生物学 微生物学
背景情况:
- 血造细胞移植 (HCT) 是血液学疾病的关键治疗方法.
- 骨髓是HCT的常见捐赠来源.
- 骨髓收获的微生物污染对免疫功能受损的接受者构成风险.
研究的目的:
- 为了确定与骨髓收获中的微生物污染相关的临床因素.
- 通过时间和收获特征分析污染率.
主要方法:
- 从1999年到2021年在一个机构进行的667次骨髓采集的回顾性分析.
- 评估收获类型,捐赠者人口统计 (年龄,性别) 和收集参数 (TNC数量,体积,度).
- 单变量和多变量物流回归来评估与污染相关的因素.
主要成果:
- 总体污染率为13.0% (87/667次收获),主要是常见的皮肤植物.
- 没有观察到年度污染率的显著趋势.
- 男性捐赠者的性别与较高的污染率 (18%与6.8%,P<.001) 有关,在多变量分析中被确定为唯一的风险因素 (OR:2.90).
结论:
- 男性捐赠者性别是骨髓采集中微生物污染的重要风险因素.
- 这一发现是新的,需要对潜在机制 (例如皮肤菌群,卫生) 进行进一步的研究.
- 了解这些因素可能有助于提高HCT的安全性和接受者结果.
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