目的 探讨分娩启动及Apgar评分对剖宫产新生儿脐血儿茶酚胺水平的影响.方法 选取足月剖宫产新生儿80例,分为分娩启动组及无分娩启动组,每组各40例.对比两组脐血中去甲肾上腺素、肾上腺素、多巴胺的水平及新生儿Apgar评分情况;分析不同Apgar评分新生儿脐血中去甲肾上腺素、肾上腺素、多巴胺水平的差异.结果 分娩启动组新生儿脐动、静脉血去甲肾上腺素、肾上腺素、多巴胺水平及新生儿Apgar评分均高于无分娩启动组(均P<0.05).发生呼吸系统疾病的新生儿脐动、静脉血中去甲肾上腺素、肾上腺素、多巴胺水平均低于正常新生儿(均P<0.05).结论 分娩启动可能是通过提高剖宫产新生儿儿茶酚胺水平从而降低呼吸反射异常风险.%Objective To explore the impacts of labor onset and Apgar score on umbilical blood catecholamine level of neonatal neonates born by cesarean delivery.Methods A total of 80 full-term neonates born by cesarean delivery were divided into labor onset group and non-labor onset group,with 40 cases in each group.The levels of norepinephrine,epinephrine and dopamine in umbilical blood,and neonatal Apgar scores were compared between the two groups.And the levels of norepinephrine,epinephrine and dopamine in umbilical blood were analyzed in neonates with different Apgar scores.Results The levels of norepinephrine,epinephrine and dopamine in umbilical artery and venous blood,and neonatal Apgar scores in the labor onset group were higher than those in the non-labor onset group(P<0.05).The levels of norepinephrine,epinephrine and dopamine in umbilical artery and venous blood in the neonates with respiratory diseases were lower than those in the normal neonates(P<0.05).Conclusion Labor onset may reduce the risk of respiratory reflection abnormality by increasing the catecholamine levels in the neonates born by cesarean delivery.
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