Bronchiolitis obliterans syndrome (BOS) is a life-threatening respiratory complication of allogeneic hematopoietic stem cell transplantation (HSCT). Although pulmonary function testing is crucial for monitoring BOS, little information exists on the association of these test results with outcomes in children with BOS.

中文翻译：

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闭塞性细支气管炎综合征患儿造血干细胞移植后肺功能变化与预后的关系

闭塞性细支气管炎综合征 (BOS) 是异基因造血干细胞移植 (HSCT) 的一种危及生命的呼吸系统并发症。尽管肺功能测试对于监测 BOS 至关重要，但关于这些测试结果与 BOS 儿童结局之间的关联的信息很少。