分娩方式对足月新生儿小时胆红素值的影响

Mode of delivery and bilirubin values in full-term newborns

目的：创建足月新生儿生后小时胆红素均值曲线图，分析不同分娩方式对小时胆红素值的影响。方法选择胎龄≥37周且出生体重≥2500 g的新生儿1796例，生后开始每6小时监测经皮胆红素值，直至生后96 h。将所测得胆红素数据绘制生后小时胆红素均值曲线图；并分析分娩方式对生后小时胆红素的影响。结果小时胆红素生后的变化随着生后时龄的延长逐渐增高；不同分娩方式新生儿生后小时胆红素值差异有统计学意义；母亲合并高危因素的新生儿同一时龄的小时胆红素值剖宫产分娩亦高于自然分娩。结论足月新生儿小时胆红素正常值对指导新生儿高胆红素血症的防治起着重要作用，剖宫产分娩新生儿小时胆红素值高于同时龄自然分娩新生儿。

Objective Toexaminepossibleassociationbetweenmodeofdeliveryandhourbilirubinvalues according to the curve of mean hour bilirubin values of full-term newborns. Methods A total of 1796 full-term newborns born in our hospital were chosen,with gestational age of 37 weeks or more and birth weight of 2500 g or more. Transcutaneous bilirubin （TCB）was monitored every 6 h till 96 h after birth.The curve of mean hour bilirubin values was used to analyze the influence of mode of delivery on hour bilirubin values. Results Hour bilirubin values increased gradually with increasing hours after birth.There was a statistical significant difference between cesarean section and natural delivery at the same time after birth.Hour bilirubin values of high risk infant of cesarean section were higher than those of natural delivery at the same time after birth. Conclusion Normal hour bilirubin values of full-term newborns play an important role in the occurrence of neonatal hyperbilirubinemia and in treatment.Hour bilirubin values of newborns of cesarean section were higher than those of natural birth.