Abstract
Purpose:
To determine the amount of moxifloxacin remaining in the anterior chamber (AC), immediately after its injection using 3 current injection methods, assuming mixing and fluid exchange with the AC contents during injection of the drug, and to determine the most desirable injection method.
Setting:
Department of Ophthalmology and Vision Sciences and Institute of Biomedical Engineering, University of Toronto, Toronto, Canada.
Design:
Mathematical modeling.
Methods:
Mathematical modeling using first-order mixing methods were used to assess mixing.
Results:
The Kaiser method of injecting 0.5 mL × 100 μg/0.1 mL does not achieve the desired 500 μg level of moxifloxacin in the AC. The “straight from the bottle” method of injecting 0.1 mL × 500 μg/0.1 mL is fraught with potential error, yielding a relatively unreliable final amount in the AC. Injecting 0.5 to 0.6 mL × 150 μg/0.1 mL yields a result closest to the desired goal.
Conclusions:
Based on the calculation, the most accurate of current methods to deliver 500 μg moxifloxacin intracamerally is the method of 150 μg/0.1 mL × 0.5 to 0.6 mL.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Sensory Systems,Ophthalmology,Surgery
Cited by
2 articles.
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