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目的:从脐动脉导管(UAC)取样的过程中,婴儿的血液在重新被输入之前与位于“废弃注射器”中的灌注液隔离。我们先前在体外研究中证明:与低张的标准盐(NS)溶液(1/4张)相比较,这个过程与使用等张灌注液时红细胞溶血现象的减少有关。本项研究的目的是在体内比较两种UAC灌注/冲洗液的溶血效应(等张溶液和低张溶液)及评估氨基酸溶液作为等张UAC灌注液的早期营养学作用。方法:出生体重不大于1.5 kg及预
PURPOSE: During sampling from the umbilical artery catheter (UAC), the infant’s blood is isolated from the perfusate located in the “waste syringe” before being reintroduced. We previously demonstrated in vitro studies that this process is associated with a reduction of hemolysis of erythrocytes when using isotonic perfusate compared with low-stout NS solution (1/4 sheet). The aim of this study was to compare in vivo the hemolytic effects of both UAC perfusions / irrigants (isotonic solutions and hypotonic solutions) and assess the early nutritional role of amino acid solutions as isotonic UAC perfusate. Method: birth weight not more than 1.5 kg and pre-