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目的:探讨新生儿脐部感染的危险因素及进行病原学分析,为制定控制新生儿感染措施提供理论依据。方法:采用目标性监测方法,研究新生儿脐部感染情况及病原学,并对脐带结扎位置、脐带残端长度、脐带直径、脱脐时间、脐带贴卫生、手卫生等12项相关危险因素进行单因素和多因素非条件Logistic回归分析。结果:346例新生儿脐部感染39例,感染率11.27%,主要为大肠埃希氏菌、金黄色葡萄球菌、其他肠道杆菌及耐药菌。脐带结扎位置、脐带残端长度、脐带直径、脐带脱落时间、脐带贴卫生、手卫生对脐部感染有影响(P<0.05)。脐带结扎位置、脐带残端长度、脐带直径、脐带贴卫生是脐部感染的独立危险因素。结论:新生儿易发生脐部大肠埃希氏菌、金黄色葡萄球菌感染,脐带结扎位置距脐根<0.5 cm、脐带残端<0.5 cm、保持脐带贴卫生等可预防脐部感染。
Objective: To explore the risk factors and etiological analysis of umbilical infection in neonates, and to provide a theoretical basis for the development of measures to control neonatal infection. Methods: Objective To monitor neonatal umbilical infection and etiology by using targeted monitoring method. Twelve related risk factors such as umbilical cord ligating position, umbilical cord stump length, umbilical cord diameter, umbilical time, umbilical cord sticking and hand hygiene were studied Univariate and multivariate non-conditional logistic regression analysis. RESULTS: Among 366 newborn infants, 39 cases were infected by umbilical cord, the infection rate was 11.27%, mainly including Escherichia coli, Staphylococcus aureus, other intestinal bacilli and drug-resistant bacteria. Umbilical cord ligating position, umbilical cord stump length, umbilical cord diameter, umbilical cord detachment time, umbilical cord sticking health and hand hygiene affect umbilical infection (P <0.05). Location of umbilical cord ligation, umbilical cord stump length, umbilical cord diameter, umbilical cord paste hygiene is an independent risk factor for umbilical infection. Conclusion: Neonate neonatal Escherichia coli and Staphylococcus aureus are susceptible to umbilical cord infection. Umbilical cord ligation is less than 0.5 cm away from umbilicus root and 0.5 cm proximal to umbilical cord stump.