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早产儿脑损伤225例超声诊断及高危因素分析 被引量:20

Diagnostic value of ultrasound on cerebral injury in 225 cases preterm infants and high risk factors
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摘要 目的采用床旁超声诊断早产儿脑室内出血(IVH)和脑室周围白质软化(PVL),分析其发生率与高危因素的关系。方法对225例早产儿(男161例,女64例)行床旁头颅超声检查,同时记录血气分析、血糖、生化、血常规及重要治疗等高危因素,采用方差分析、χ2趋势检验分析早产儿颅脑损伤和各高危因素的相关性。结果①225例早产儿中142例发生了PIVH,发生率为63.1%,39例发生了PVL,发生率为17.3%;②胎龄≤32周发生率为78.7%(59/75),33~34周为63.0%(34/54),35~36周为51.0%(49/96);③不同出生体重早产儿PIVH发生率比较,差异有统计学意义(χ2=16.576,P<0.01);④PIVH发生率与剖宫产、低血糖、生后酸中毒、高碳酸血症、低氧血症等无关联(P均>0.05),与使用呼吸机、有围产期缺氧病史及血小板低有关联(χ2=5.674~7.055,P均<0.05);⑤PVL与胎龄小、出生体重低有关联(F=40.874、28.577,P<0.01)。结论胎龄和出生体重越低,IVH和PVL发生率越高。出生时及宫内缺氧、应用机械通气及血小板低于正常者,IVH发生率高。IVH与分娩方式、有无低血糖、生后酸中毒、低氧血症等未见明显关系,有待扩大样本量进一步证实。
出处 《临床儿科杂志》 CAS CSCD 北大核心 2009年第4期380-383,共4页 Journal of Clinical Pediatrics
基金 安徽省临床医学重点学科技术进步专项课题资助项目(No.2004Z013)
关键词 早产儿 脑损伤 颅脑超声 preterm cerebral injury cranium ultrasound
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