Predictive Value of Baseline Biochemical Parameters for Clinical Response of Macular Edema to Bevacizumab in Eyes With Central Retinal Vein Occlusion: A Retrospective Analysis

Asia-Pacific Journal of Ophthalmology
V G Madanagopalan, Bibha Kumari

Abstract

To evaluate the influence of baseline biochemical parameters on the improvement in best corrected visual acuity (BCVA) and reduction in central foveal thickness (CFT) in patients treated with intravitreal bevacizumab (IVB; Avastin, Genentech, Inc) for macular edema (ME) secondary to central retinal vein occlusion (CRVO). A retrospective study. Seventy eyes of 70 participants with CRVO who underwent IVB for ME and had at least 1 month of follow-up after the last injection were studied. Demographic variables, systolic and diastolic blood pressure (SBP and DBP), BCVA, CFT measured by optical coherence tomography (OCT), and biochemical investigations [hemoglobin, fasting and postprandial blood sugar (FBS and PPBS), lipid profile, blood urea (BU), serum creatinine (SC), glycosylated hemoglobin (HbA1c)] at baseline were noted. IVB need at every visit was based on clinical and OCT parameters. Changes in BCVA (ΔBCVA) and CFT (ΔCFT) from baseline to last injection were estimated. After IVB, there was a statistically significant reduction in mean CFT (P < 0.01). The group of patients with normal BU and SC had more than 2 lines of improvement compared with those with elevated values (P = 0.043 and 0.009, respectively). Other parameters li...Continue Reading

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