*新生儿呼吸系统疾病第一临床学院专科教研室*TheCaseBeginsBaby“M”wasa1150gmaleinfant(27wkgestation),borntoa26-&3.*Thecasecontinued*ThecasecontinuedBaby“M”presentedcyanosis,grunting,,endotrachealwasintubated,surfactantwasgivenandmechanicalventilationbegan.*Whathappenedtothisbaby?*WhatisRDS?,prisingcyanosis,grunting,,indicatedbybloodgasanalysis,andthediagnosiscanbeconfirmedonchestX-raywithaclassical“groundglassappearance”andairbronchograms.*WhatisRDS?Ifleftuntreated,,butnotexclusively,adiseaseofpretermbabies.*新生儿呼吸窘迫综合NeonatalRespiratoryDistressSyndrome(RDS)*一、概念新生儿呼吸窘迫综合征是由于肺表面活性物质缺乏所致,为生后不久出现呼吸窘迫并进行性加重的临床综合征。由于其病理上有肺透明膜的改变,故又称为“肺透明膜病”(HyalineMembraneDisease,HMD)。多见于早产儿,胎龄越小,发病率越高。*周期性呼吸:呼吸急促:呼吸>60次/分5-10秒呼吸减慢:呼吸<30次/分呼吸暂停:呼吸停止>20秒,心率<100次/分,同时发绀或肌张力减低呼吸不规则:呼吸停止<20秒,不伴有心率减慢及发绀5-10秒
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