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NICU内极低出生体质量儿院内获得性败血症41例回顾性分析

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摘要 目的探讨新生儿重症监护室(NICU)极低出生体质量儿(very-low-birth-weight infants,VLBWI)院内获得性败血症的流行病学情况及耐药性分析。方法回顾性分析2005年8月1日至2010年7月31日间我院NICU内出生体质量〈1500g且住院时间≥72hVLBWI共41例,对人院72h以上血培养进行分析。结果共检出44株病原菌,革兰阴性菌27株(61.4%),革兰阳性菌13例(29.5%),真菌4例(9.1%)。革兰阴性菌中肺炎克雷白杆菌占总感染率的45.5%,大肠埃希菌占11.3%;产超广谱B内酰胺酶(extended-spectrum β-lactamasestrains,ESBLs)菌株共20例,占革兰阴性菌74.1%。革兰阴性菌对青霉素类、氨基糖苷类、头胞类抗生素耐药率显著高于头霉素类和添加β-内酰胺酶抑制剂的抗生素(P〈0.05),对喹诺酮类和碳青霉烯类抗生素耐药率最低。结论革兰阴性菌是我院NICU内VLBWI院内获得性败血症的主要病原体,其中产ESBLs革兰阴性菌比例高,对大多数抗生索耐药;真菌感染所致败血症亦有一定比例;感染患儿应及早、合理选用抗生素。
出处 《中国小儿急救医学》 CAS 2011年第3期267-269,共3页 Chinese Pediatric Emergency Medicine
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