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目的比较新生儿延迟脐带结扎和早断脐从胎盘侧能够采集到的残余血量,避免过早采集脐带血对新生儿造成伤害。方法将海口市妇幼保健院2015年3-6月经阴道分娩的403例足月正常新生儿作为研究对象,随机分为观察组(n=202)和对照组(n=201)。延迟脐带结扎等待脐带搏动停止后,早断脐在产后1分钟时断脐,采集胎盘侧的残血并记录。结果延迟脐带结扎组胎盘侧的残血量(14.12±12.40)m L,少于早断脐组(69.049±50.02)m L(t=15.112,P<0.01),新生儿胆红素高峰平均值(11.84±3.24)mg/d1低于早断脐组(16.31±1.93)mg/d1(t=4.900,P<0.01),产后出血量(160.24±72.90)m L低于早断脐组(187.77±104.62)m L(t=3.063,P=0.002),差异均有统计学意义。结论延迟脐带结扎,从胎盘侧收集的残血量减少,提示有更多血液输给了新生儿,具有临床应用价值。
Objective To compare neonatal delayed cord ligation and amputation of the umbilical cord from the placental side to collect the residual blood volume, to avoid premature cord blood collection of neonatal damage. Methods 403 full-term normal newborns delivered by vaginal delivery in March-June 2015 in Haikou MCH were randomly divided into observation group (n = 202) and control group (n = 201). Delayed umbilical cord ligation Wait for the umbilical cord to stop beating, as early as the umbilical umbilical off in the postpartum 1 minute umbilical, collecting placental side of the residual blood and record. Results The amount of residual placenta (14.12 ± 12.40) m L in umbilical cord ligating group was less than that in umbilical cord ligating group (69.049 ± 50.02) m L (t = 15.112, P <0.01) (11.84 ± 3.24) mg / d1 were lower than those in the group of early disconnection umbilical cord (16.31 ± 1.93) mg / d1 (t = 4.900, P <0.01) and the amount of postpartum hemorrhage (160.24 ± 72.90) ± 104.62) m L (t = 3.063, P = 0.002), the differences were statistically significant. Conclusion Delays in umbilical cord ligation reduce the amount of residual blood collected from the placenta, suggesting that more blood is lost to newborns and has clinical value.