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Eye:微生物性角膜炎的趋势分析

2017-05-04 luowenbo MedSci原创

本研究在曼切斯特皇家眼科医院研究微生物性角膜炎致病病原体的频率、趋势和体外药物敏感性。从已有数据库中获取2004年至2015年间微生物服务中心记录的患者信息(角膜擦伤信息等)和治疗方法。在已有数据库中共有4229名角膜擦伤病例。中心应用的一线抗菌治疗药物为氧氟沙星,二线药物为头孢菌素和庆大霉素。

在英国三级医院进行的一项关于微生物性角膜炎的趋势分析

本研究在曼切斯特皇家眼科医院研究微生物性角膜炎致病病原体的频率、趋势和体外药物敏感性。从已有数据库中获取2004年至2015年间微生物服务中心记录的患者信息(角膜擦伤信息等)和治疗方法。在已有数据库中共有4229名角膜擦伤病例。中心应用的一线抗菌治疗药物为氧氟沙星,二线药物为头孢菌素和庆大霉素。

1379名角膜擦伤病例作为该研究的研究对象,平均年龄为45.9±21.0岁,且1379名病例的样本培养均为阳性。148例(10.7%)样本培养出多种微生物。样本培养中共培养出1539种微生物,其中63.3%为革兰氏阳性菌,27.3%为革兰氏阴性菌,7.1%为真菌,2.3%为阿米巴。研究结果发现革兰氏阳性菌感染率呈下降趋势,革兰氏阴性菌、阿米巴和真菌感染率呈上升趋势,莫拉克氏菌感染呈现显着上升趋势(P=0.001)。分离出的83.1%的革兰氏阳性菌和90.8%的革兰氏阴性菌对氧氟沙星敏感,头孢菌素对分离出的86.6%的革兰氏阳性菌和61.4%的革兰氏阴性菌有作用,而庆大霉素能覆盖88.8%的革兰氏阳性菌和96.5%的革兰氏阴性菌。

研究发现革兰氏阳性致病菌的种类在发生变化,莫拉氏菌比例在增加。未发现致病菌对常用抗菌药物出现耐药效应。氧氟沙星仍然是非常好的一线抗菌药物,但联合多重运用抗菌药物能增大抗菌覆盖范围,在抗菌治疗反应性低、差的病例中应予以考虑多重抗菌药物联用。

原文出处:

Tan SZ,et al. Twelve-year analysis of microbial keratitis trends at a UK tertiary hospital. Eye (Lond). 2017 Apr 28. doi: 10.1038/eye.2017.55.

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    2017-05-06 snowpeakxu
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