吉林市正常老年人群结膜囊细菌分布及术前用药的研究

目的 对吉林市正常老年人群结膜囊细菌分布进行研究,通过4种常用药物的结膜囊处理结果得出适合吉林市老年人术前使用的药物.方法 对608位正常老年人结膜囊分泌物进行细菌培养.选择培养阳性的200人分组,使用4种药物进行每日6次点眼,连续3 d后再次培养.结果 首次培养阳性率为38.98%.发现阳性细菌11种,葡萄球菌为主要细菌,其中表皮葡萄球菌占优势为56.96%.4种药物处理后再次培养,细菌数量均减少.结论 术前应用抗生素眼药水可以明显减少结膜囊内细菌数量,左氧氟沙星效果最好.

Study of bacterium distribution in the conjunctival sac and preoperative medication in the normal aged people in Jilin City

Objective To research bacterium distribution in the conjunctival sac in the normal aged people in Jilin City and search for the proper preoperative medicine by applying four kinds of medicines in common use in the conjunctival sac.Methods The secretion of the conjunctival sac from 608 normal aged people was collected and bacteria were cultured.Persons with positive results were selected and divided into four groups.Four kinds of medicines were used for the eyedrop application six times per day during 3 days,then bacteria were cultured again.Results The positive rate was 38.98% in the first bacterial culture,and 11 positive bacteria were found and Staphylococci was the major one during which Staphylococcus epidermidis occupied 56.96%.Bacteria were cultured again after the application with four kinds of medicines,the quantity of bacteria was all declined.Conclusion The preoperative application of antibiotic eyedrop could remarkably decrease the quantity bacteria in the conjunctival sac.Levofloxacin eye drop was better than others as a preoperative application medicine for inside eye operation.