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Antibacterial effect of povidone iodine disinfectant and antibiotic eye drops before cataract surgery

Discussion of Clinical Cases 2022年第3期9卷 5-12页

作者： Qin Zhao Department of Ophthalmology Baogang HospitalBaotouInner MongoliaChina

Objective:Investigate the distribution of bacteria in the conjunctival sac of two groups of cataract patients with different preoperative aseptic treatments,and compare the clinical effects of 0.5%povidone-iodine(PI)and antibiotic eye drops on killing conjunctival sac ***:400 cases of patients(400 eyes)who underwent cataract surgery in the Department of Ophthalmology of Baogang Hospital in Inner Mongolia from October 2019 to October 2020 were selected in a randomized controlled *** were randomly divided into the experimental group(group A)and the control group(group B),with 200 cases in each *** A:the patients were given Gatiﬂoxacin Eye Gel(3 times/day,1 drop/time)combined with Diclofenac Sodium Eye Drops(4 times/day,1 drop/time)before the operation;0.5%PI was administered to irrigate the conjunctival sac,with 0.9%Sodium Chloride Injection washing after 3 min;0.5%PI was administered to irrigate the conjunctival sac after *** corneal epithelium was observed after each *** B:the patients were given Gatiﬂoxacin Eye Gel(3 times/day,1 drop/time)combined with Diclofenac Sodium Eye Drops(4 times/day,1 drop/time)2 days and 1 day before the operation;0.9%Sodium Chloride Injection was administered to irrigate the conjunctival sac before and after surgical *** sac specimens were collected for bacterial culture 2 hours before the operation,after irrigation,and after the *** positive rate and the distribution of bacteria were compared between the two ***:The difference in the positive rate of bacteria in the conjunctival sac between the two groups at different time points had a statistical significance(χ^(2)=11.498,pconjunctival sac specimens were collected on admission and 2 hours before the *** was no significant difference in the pathogens with positive results between the two groups(p=.955;p=.073);there was a substantial difference in the distribution of positive

关键词： Cataract extraction Povidone-iodine conjunctival sac irrigation Bacterial culture Corneal epithelium

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