DANIEL ARAUJO FERRAZ

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LIM/33 - Laboratório de Oftalmologia, Hospital das Clínicas, Faculdade de Medicina

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  • article 8 Citação(ões) na Scopus
    Short-term effects of intravitreal bevacizumab in contrast sensitivity of patients with diabetic macular edema and optimizing glycemic control
    (2019) MOTTA, Augusto A. L.; BONANOMI, Maria Teresa B. C.; FERRAZ, Daniel A.; PRETI, Rony C.; SOPHIE, Raafay; ABALEM, Maria F.; QUEIROZ, Marcia S.; PIMENTEL, Sergio L. G.; TAKAHASHI, Walter Y.; DAMICO, Francisco M.
    Aims: To analyze contrast sensitivity of intravitreal bevacizumab injections with optimizing glycemic control versus optimizing glycemic control (in combination with sham injections) in eyes with Diabetic Macular Edema (DME). Design: Prospective, interventional, masked, randomized controlled trial. Methods: Forty-one eyes of 34 patients with type 2 diabetes mellitus and DME with glycated hemoglobin (HbA1c) < 11% received either intravitreal bevacizumab injection (Group 1) or sham injection (Group 2) at 0 and 6 weeks along with optimizing glycemic control. Mean change in best-corrected visual acuity (BCVA), contrast sensitivity (CS), optical coherence tomography (OCT)-measured by central macular thickness (CMT) were compared and correlated at baseline, 2, 6 and 12 weeks. Results: The study showed a mean CS improved in group 1 from 1.14 +/- 0.36 logCS to 1.32 +/- 0.24 logCS and also in group 2 from 1.11 +/- 0.29 logCS to 1.18 +/- 0.29 logCS at 12 weeks (P = 0.12). CS and CMT promptly decreased in group 1 compared to group 2 at 2 weeks (Delta CS = 0.15 +/- 0.25 vs. 0.03 +/- 0.15 logCS; P = 0.04; Delta CMT = 116 +/- 115 vs. 17 +/- 71 mu m; P = 0.01). There was a mean reduction of approximately 0.5% in HbA1c levels in both groups at 12 weeks (P = 0.002). Conclusion: The use of bevacizumab in combination with optimizing glycemic control results in earlier improvement of contrast sensitivity in type 2 diabetes patients with DME. However, the optimizing glycemic control itself has shown also to be effective at 12 weeks.