Blood tubes potassium ethylenediaminetetraacetic acid in comparison to calcium disodium ethylenediaminetetraacetic acid and disodium ethylenediaminetetraacetic acid for calcific band keratopathy

Abstract

Abstract: This study aims to report a case of dense calcific band keratopathy (CBK) treated with calcium disodium ethylenediaminetetraacetic acid (CaNa2EDTA) and dipotassium ethylenediaminetetraacetic acid (K2EDTA). A 12-year-old female with chronic Vogt-Koyanagi-Harada (VKH) syndrome and glaucoma presented with dense CBK in her right eye (OD). We used CaNa2EDTA followed by K2EDTA to enhance the chelation process. No adverse events were observed, and 1-year posttreatment, the patient showed no recurrence. Our findings suggest that K2EDTA can complement and enhance the effect of CaNa2EDTA, offering a cost-effective and readily available alternative. We acknowledge that the simultaneous use of two chelating agents in the same case may limit the conclusiveness of our findings regarding their individual efficacy. However, based on previous reports, we believe the significant clearing effect observed is primarily attributable to K2EDTA rather than a combined effect.