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Current Smoking Is Associated with a Poor Visual Acuity Improvement after Intravitreal Ranibizumab Therapy in Patients with Exudative Age-Related Macular Degeneration
Journal of Korean Medical Science ; : 769-774, 2013.
Article in English | WPRIM | ID: wpr-80569
ABSTRACT
In this study, the risk factors that may influence visual improvement after intravitreal ranibizumab (IVR) treatment for exudative age-related macular degeneration (AMD) were examined. From 2008 to 2012, 420 patients (448 eyes) with exudative AMD were prospectively registered at Seoul National University Hospital. From this group of patients, 125 eyes were included in this study. All patients were treated with 3 consecutive IVR injections. The visual acuity (VA) was evaluated at baseline and 1 month after the third ranibizumab injection. To evaluate the risk factors associated with VA improvement after IVR, patient demographic data and systemic risk factors were analyzed. Patients were divided into a poor VA improvement group and a good VA improvement group, with reference to the median visual improvement in all eyes. Among 125 eyes, 66 eyes (52.8%) were included in the responder group and 59 eyes (47.2%) in the non-responder group. The median VA improvement after 3 monthly ranibizumab injections was -0.05 logMAR. Multivariate analyses revealed that current smoking (adjusted OR, 7.540; 95% CI, 1.732-32.823) was independently associated with poor VA improvement after IVR treatment for exudative AMD. In conclusion, cigarette smoking is an independent risk factor for lower VA gains with IVR treatment for exudative AMD.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Smoking / Visual Acuity / Odds Ratio / Multivariate Analysis / Prospective Studies / Risk Factors / Tomography, Optical Coherence / Intravitreal Injections / Antibodies, Monoclonal, Humanized / Macular Degeneration Type of study: Etiology study / Observational study / Risk factors Limits: Aged / Female / Humans / Male Language: English Journal: Journal of Korean Medical Science Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Smoking / Visual Acuity / Odds Ratio / Multivariate Analysis / Prospective Studies / Risk Factors / Tomography, Optical Coherence / Intravitreal Injections / Antibodies, Monoclonal, Humanized / Macular Degeneration Type of study: Etiology study / Observational study / Risk factors Limits: Aged / Female / Humans / Male Language: English Journal: Journal of Korean Medical Science Year: 2013 Type: Article