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《Chongqing Medicine》 2017-20
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Analysis of high-risk factors and clinical characteristics of respiratory distress syndrome in late preterm infants

Liu Yu;Ning Jinbo;Department of Neonatology,Chongqing Three Gorges Central Hospital;  
Objective To compare the characteristics of respiratory distress syndrome(RDS)between early preterm infants and late preterm(LP)infants,and to investigate the high-risk factors and clinical characteristics of RDS in LP infants.Methods A total of 240 premature infants with RDS treated in our hospital from January 2014 to January 2015 were selected and divided into 2 groups according to the gestational age(GA),143 cases in early preterm group(GA34weeks)and 97 cases in LP group(GA34-36weeks).The basic situation,high risk factors in perinatal period,clinical characteristics,treatment and prognosis in RDS premature infants were retrospectively analyzed.Results The delivery mode in the LP group was mainly dominated by cesarean section,the cesarean section rate reached 83.51%,which was significantly higher than that in the early preterm group(P0.05).The premature occurrence rate caused by cesarean section because of premonitory uterine rupture was higher(27.84%);the treatment effect of pulmonary surfactant(PS)and noninvasive assisted ventilation therapy in the LP group was inferior to that in the early premature group,moreover the mechanical ventilation rate was higher,the duration of mechanical ventilation was longer;the incidence rates of pulmonary hypertension and intrauterine infection were higher than those in the early preterm group.ConclusionLP infants with RDS are mainly dominated by cesarean section without onset of labor process,intrauterine infection may be its risk factor,PS use is effective,but its effect is more poor than that in the early preterm group,the mechanical ventilation rate in the LP group is higher,but the prognosis is good.
【CateGory Index】: R722.6
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