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Evaluation of the efficacy of vitrectomy for persistent diabetic macular edema and associated factors predicting outcome

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Authors
Song, Su Jeong; Sohn, Joon Hong; Park, Kyu Hyung
Issue Date
2007-09-07
Publisher
Korean Journal of Ophthalmology
Citation
Korean J Ophthalmol. 2007 Sep;21(3):146-50.
Keywords
AdultAgedDiabetic Retinopathy/*surgery/therapyFemaleHumansInjectionsLaser CoagulationMacular Edema/*surgery/therapyMaleMiddle AgedRetreatmentRetrospective StudiesTreatment OutcomeTriamcinolone/administration & dosage/therapeutic use*VitrectomyVitreous Body
Abstract
PURPOSE: To evaluate the efficacy of vitrectomy for persistent diabetic macular edema after laser photocoagulation or intravitreal triamcinolone injections and to determine the demographic and ocular factors that influence functional and anatomical outcomes. METHODS: We retrospectively evaluated 55 eyes (51 patients) that had persistent diffuse macular edema after laser photocoagulation or intravitreal triamcinolone injections. We compared preoperative and postoperative best corrected visual acuity and macular thickness by Optical Coherence Tomography and investigated factors including patient's age, presence of vitreomacular traction, grade of diabetic retinopathy, and intraoperative internal limiting membrane removal that may influence the surgical results. RESULTS: The mean preoperative BCVA (log MAR) was 0.91+/-0.40 (0.8-1.2). The BCVA improved to 0.72+/-0.39 (0.3-1.2). The mean preoperative macular thickness was 440+/-130 (202-805) micrometer and the mean macular thickness decreased to 306+/-97 (136-580) micrometer postoperatively. The eyes showed statistically significant improvement in BCVA and central macular thickness (p<0.001). Preoperative better BCVA was associated with an improved postoperative visual acuity. (p=0.04). No other covariates were found to be statistically significant factors for prognosis of postoperative BCVA. CONCLUSIONS: In eyes with persistent diabetic macular edema after laser or IVTA injections, vitrectomy was effective for decreasing macular thickness and improvement of vision. The visual improvement after vitrectomy was associated with the preoperative better BCVA.
ISSN
1011-8942 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17804919

http://hdl.handle.net/10371/16459
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College of Medicine/School of Medicine (의과대학/대학원)Ophthalmology (안과학전공)Journal Papers (저널논문_안과학전공)
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