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Distribution and shifting trends of bacterial keratitis in north China (1989-98)
1Eye Microbiology Department, Beijing Institute of Ophthalmology, Beijing 100005, China. sunxuguang@yahoo.com
Aims:
To study the distribution and shifting trends of bacterial keratitis.
Methods:
The data of 2220 corneal isolates from 1 January 1989 to 31 December 1998 were reviewed retrospectively.
Results:
Positive culture was recovered in 490 isolates. Gram positive cocci and Gram negative bacilli represented 51% and 39.4%, respectively. Pseudomonas aeruginosa was the most common pathogen (32.2%). A gradual increase in the percentage of Gram positive cocci coupled with a decrease of Gram negative bacilli.
Conclusion:
Pseudomonas aeruginosa and coaculase negative Staphylococcus were the most common pathogens in bacterial keratitis in north China.
