肺移植后血清氨检查和对高氨血症综合征的捐赠者微敏检测:一项前性观察性研究
Laura N Walti1,2, Chun Fai Ng1, Simran Kaur1
1Transplant Infectious Diseases, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Canada.
概括
高血综合征 (HS) 是一种罕见的肺移植并发症. 每日血清氨查 (SAS) 可能有助于早期诊断和治疗,可能改善结果. 捐赠者mollicute-PCR显示HS的预测值有限.
科学领域:
- 医学研究 医学研究
- 移植科学 移植科学
- 传染病诊断 传染病诊断 传染病诊断
背景情况:
- 高血综合征 (HS) 是肺移植 (LT) 后的一种罕见,危及生命的并发症.
- 目前HS后LT的最佳查方法仍未确定.
- 这项研究评估了血清氨查 (SAS) 和Mollicutes PCR用于HS检测.
研究的目的:
- 调查每日血清氨查 (SAS) 对肺移植接受者的高氨血症综合征 (HS) 的有用性.
- 为了比较SAS与PCR对Mollicutes (产尿等离子体的细菌) 的有效性,预测HS.
- 评估捐赠者的Mollicute-PCR结果与LT后HS的发生之间的关联.
主要方法:
- 从07/2019-02/2020和10/2021-11/2022的肺移植接受者的回顾性分析,使用存储的供体支气管洗样本.
- 在供体和受体样本上进行了性PCR;在LT后的14天内测量每日血清氨水平.
- 由神经症状和血清氨量升高 (>70μmol/l) 定义的HS;患者在LT后的30天内进行了随访.
主要成果:
- 在241名 (2%) LT接受者中,有5人在LT后30天内发展出HS,平均发病时间为8天.
- 每日SAS在4%的接受者中检测到升高的氨;4个病例与肝脏疾病有关,而不是HS.
- 捐赠者mollicute-PCR在8%的病例中呈阳性,在5个病例中,在2个病例中与HS相关,具有有限的预测价值.
结论:
- HS是一种罕见的肺移植后并发症,每日SAS可能有助于早期诊断和治疗.
- 通过SAS进行早期检测可能与LT后患者的改善结果有关.
- 捐赠者质PCR查显示,对LT后的HS发展具有有限的预测价值.
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