Journal
EYE
Volume 23, Issue 9, Pages 1812-1818Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/eye.2008.388
Keywords
bevacizumab; avastin; intreavitreal VEGF; cystoid macular oedema; treatment
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Purpose Clinical data suggest a role for VEGF in uveitic cystoid macular oedema (CME), even though the data on intravitreal VEGF levels in these eyes is still inconclusive. We determined intravitreal VEGF levels and treated uveitis patients with intravitreal bevacizumab. Methods Intravitreal VEGF levels were measured in eight uveitis patients and 10 controls using cytometric bead array technology. In 11 eyes of a second group of uveitis patients, CME was treated using 1.25 mg bevacizumab intravitreally. Re-injections of bevacizumab were given in patients showing a transient positive effect, defined as an increase of the best-corrected vision of at least two lines on a snellen chart. Alternatively, triamcinolone was given in patients, not responding to bevacizumab. Results Mean intravitreal VEGF concentration was 82.75 +/- 171.71 pg/ml (+/- SD) (range, 0.0-502.1 pg/ml), and below the detection levels in controls. A significant reduction of retinal thickness was seen at weeks 2 (P = 0.001) and 4 (P = 0.007). A significant improvement in VA was seen at week 2 (P = 0.02). Patients presenting with a CME in baseline fluorescein-angiogram responded well towards bevacizumab treatment, unless an extensive leakage from the choroid or a leakage of the optic disk was detectable. In these patients, only intravitreally administered triamcinolone led to a reduction of the CME. Conclusions Our data suggest that patients presenting with a diffuse leakage from the choroid in the fluorescein angiogram or an extensive leakage of the optic disk should be treated with intravitreal triamcinolone, whereas in patients presenting only a cystoid macular oedema bevacizumab treatment seems like a good choice. Eye (2009) 23, 1812-1818; doi:10.1038/eye.2008.388; published online 23 January 2009
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