Aqueous humor levels of topically applied levofloxacin in human eyes.

Abstract:

PURPOSE:To evaluate transcorneal penetration of topically applied 0.5% levofloxacin into the aqueous humor in human eyes. METHODS:Twenty cataract patients (14 females, 6 males) received 3 drops of 0.5% levofloxacin at 15 min intervals from 90 minutes before the surgery. At the beginning of the cataract surgery, 50 microL of aqueous humor was aspirated from the anterior chamber and stored at -80 degrees C until analysis. The drug concentration of the samples was analyzed using high-performance liquid chromatography. RESULTS:A mean aqueous humor level of levofloxacin was 1.00 +/- 0.48 microg/mL (mean +/- standard deviation, n = 20), ranging from 0.30 microg/mL to 2.32 microg/mL. CONCLUSIONS:The mean concentration of levofloxacin in the aqueous humor was higher than the MIC(90) values against some common pathogens of postoperative endophthalmitis, although a great degree of interpatient variability was present.

journal_name

Curr Eye Res

journal_title

Current eye research

authors

Yamada M,Mochizuki H,Yamada K,Kawai M,Mashima Y

doi

10.1076/ceyr.24.5.403.8517

subject

Has Abstract

pub_date

2002-05-01 00:00:00

pages

403-6

issue

5

eissn

0271-3683

issn

1460-2202

journal_volume

24

pub_type

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