JAHA:心脏移植婴儿发生严重原发性移植物功能障碍的危险因素

2021-06-29 MedSci原创 MedSci原创

发生严重PGD的接受HT婴儿移植物存活率很低。尽管一些受者水平的危险因素是不可改变的,但避免可改变的危险因素可能会降低发生严重PGD的风险。

既往研究表明,接受心脏移植 (HT)的婴儿发生严重原发性移植物功能障碍 (PGD) 的风险高于年龄较大的儿童

近日,血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员旨在明确接受HT婴儿发生严重PGD的危险因素。

研究人员使用美国器官采购和移植网络数据库确定了1996年至2015年期间年龄1岁以内的所有接受HT的婴儿。研究人员将他们的数据与ELSO(体外生命支持组织)注册数据相关联,以识别那些患有严重PGD的婴儿,严重PGD定义是在HT后2天内开始对PGD进行体外膜氧合支持。研究人员使用多变量Logistic回归来评估发生严重PGD的风险因素。

移植物生存率

在参与分析的1718名婴儿中,600名(35%)婴儿小于90天,1079名(63%)患有先天性心脏病。总体而言,134名(7.8%)婴儿发展为严重PGD;95名(71%)婴儿在HT当天开始进行体外膜氧合支持,第二天有34名(25%)婴儿,第二天有5名(4%)婴儿。在校正分析中,接受HT的婴儿先天性心脏病、体外膜肺氧合或移植时双心室辅助装置支持、受者血型为AB型、供受者体重比<0.9和移植物缺血时间≥4小时与严重PGD的发生独立相关,而在HT时左心室辅助装置支持则不然。发生严重PGD的婴儿一年内移植物存活率为48%,而没有发生严重PGD的婴儿则为87%。
 
由此可见,发生严重PGD的接受HT婴儿移植物存活率很低。尽管一些受者水平的危险因素是不可改变的,但避免可改变的危险因素可能会降低发生严重PGD的风险。

原始出处:

Tajinder P. Singh.et al.Risk Factors for Severe Primary Graft Dysfunction in Infants Following Heart Transplant.J AM HEART ASSOC.2021.https://www.ahajournals.org/doi/10.1161/JAHA.121.021082

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    2022-04-23 xuyong535
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    2021-07-01 zhaohui6731
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