Results and Prognostic Factors for Visual Outcome Following Micro Incision Vitrectomy Surgery in Proliferative Diabetic Retinopathy.
Nippon Ganka Gakkai zasshi(2016)
Abstract
Purpose: To evaluate outcome of micro incision vitrectomy surgery (MIVS) for proliferative diabetic retinopathy (PDR).
Methods: One hundred seventy three eyes with PDR that underwent primary MIVS were classified into 3 groups by preoperative complications; group A consisted of 56 eyes with only vitreous hemorrhage (VH), group B was 97 eyes with retinal detachment (RD) outside the macula, and group C was 20 eyes with RD both in and out of the macular area. Perioperative factors and visual outcome were compared between 3 groups.
Results: Visual acuity (VA) improved in 117 eyes (68%), remained unchanged in 37 eyes (21%), and deteriorated in 19 eyes (11%). Postoperative VA was improved or not changed in 96% of group A, 88% of group B, and 75% of group C. Postoperative complications were VH (21%), neovascular glaucoma (6%), and RD (5%). Preoperative ocular hypertension, operation time, iatrogenic tear, tamponade, and postoperative complications were significantly more in unimproved eyes, and multivariable analysis revealed preoperative ocular hypertension (odds ratio=5.1) and RD (odds ratio=4.1) as factors of poor postoperative VA.
Conclusion: MIVS is effective for treatment of PDR, but visual outcome resulted from the preoperative conditions.
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Key words
micro incision vitrectomy surgery,proliferative diabetic retinopathy,visual outcome
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