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目的为查明当前新生儿脐部感染的临床微生物学状况,给临床治疗提供参考。方法通过对1993~1995年3年中收治的75例新生儿脐部感染,所获得的84株致病细菌的调查研究。结果发现社会获得性感染,其主要致病菌为革兰氏阳性球菌(67.2%)。而在医院感染的病例中,革兰氏阴性杆菌为主要致病菌(56.8%)。所分离的细菌均具有多重耐药性,葡萄球菌对常用的一些抗生素,均有很高耐药率。大肠埃希氏菌、克雷伯氏菌除了对丁胺卡那、头孢噻肟、氟嗪酸敏感外,对其他种类抗生素均有很大程度耐药。30例疑因脐炎所致败血症新生儿血培养,结果10例为阳性,8例血培养的结果与脐部分泌物培养结果一致,另外两例所属菌种不同。结论揭示混合感染在新生儿脐炎中占有一定比例,值得引起重视。
Objective To identify the current status of neonatal umbilical infection of clinical microbiology, to provide a reference for clinical treatment. Methods A total of 84 pathogenic bacteria were obtained from 75 cases of neonatal umbilical infection in the three years from 1993 to 1995. The results found that social acquired infection, the main pathogen is gram-positive cocci (67.2%). In the case of nosocomial infections, Gram-negative bacilli were the main pathogens (56.8%). The bacteria isolated have multiple drug resistance, Staphylococcus aureus commonly used for some antibiotics, have a high resistance rate. Escherichia coli, Klebsiella in addition to amikacin, cefotaxime, triflum acid sensitivity, the other types of antibiotics have a great degree of resistance. 30 cases of suspected septicemia due to omphalitis neonatal blood culture, the results of 10 cases were positive, 8 cases of blood culture and umbilical secretions in the same culture results, the other two belong to different species. Conclusions revealed that mixed infection in neonatal omphalitis occupy a certain percentage, it deserves attention.