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Visually Significant Cystoid Macula Edema After Glaucoma Drainage Implant Surgery.

ABSTRACT: PURPOSE:This study examines the incidence of visually significant cystoid macular edema (CME) after glaucoma drainage implant (GDI) surgery and analyses risk factors associated with developing CME and prognosis with treatment. MATERIALS AND METHODS:In total, 185 eyes from 185 glaucoma patients (mean age, 72.46±13.94?y) who underwent GDI surgery at a tertiary eye institute were recruited. Patients were classified based on the presence (CME) or absence (No-CME) of CME. Pre-GDI and post-GDI best-corrected visual acuity, number of intraocular pressure (IOP)-lowering medications, IOP, standard automated perimetry and post-GDI complications, were recorded and compared between the 2 groups. Optical coherence tomography (OCT) was used to quantify retinal thickness and monitor CME. RESULTS:In total, 41 (22.2%) eyes developed visually significant CME after GDI surgery. Patients with CME had a higher incidence of pre-GDI nonsteroidal anti-inflammatory drug (P<0.01) use and higher number of prior glaucoma surgeries (P<0.01). CME patients had a higher (P<0.01) incidence of iritis, epiretinal membrane, and hypotony. CME eyes responded well to steroids, with resolving macular edema (458.4±151.9 vs. 322.0±92.0?µm, P<0.01) and improving visual acuity (0.73±0.48 vs. 0.56±0.56?logarithm of minimum angle of resolution, P<0.01). Both CME and non-CME groups had equivalent lowering of IOP and post-GDI glaucoma medications; with no significant elevation in IOP in the steroid-treated CME group. CONCLUSIONS:Post-GDI surgery visually significant CME rates are potentially higher in a real hospital scenario compared with controlled clinical trials. With diligent treatment, CME resolves effectively restoring visual acuity and central macular thickness.

SUBMITTER: Bhakta AS

PROVIDER: S-EPMC5790635 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Visually Significant Cystoid Macula Edema After Glaucoma Drainage Implant Surgery.

Bhakta Amitabha S AS Fortun Jorge J Thomas Julien J Greer Anthony A Kishor Krishna K Maharaj Arindel A

Journal of glaucoma 20180201 2

<h4>Purpose</h4>This study examines the incidence of visually significant cystoid macular edema (CME) after glaucoma drainage implant (GDI) surgery and analyses risk factors associated with developing CME and prognosis with treatment.<h4>Materials and methods</h4>In total, 185 eyes from 185 glaucoma patients (mean age, 72.46±13.94 y) who underwent GDI surgery at a tertiary eye institute were recruited. Patients were classified based on the presence (CME) or absence (No-CME) of CME. Pre-GDI and p ...[more]

PMID: 29271812

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Project description:Purpose:To evaluate retinal functional improvement by means of visual acuity and retinal sensibility examination after intravitreal dexamethasone implant in patients affected by cystoid macular edema secondary to retinal vein occlusion. Methods:Twenty-six consecutive patients affected by retinal vein occlusion complicated by cystoid macular edema were enrolled in this prospective interventional study. All patients underwent a baseline complete ophthalmological evaluation as well as retinal angiography, OCT examination, and microperimetry evaluation. Each patient was treated with intravitreal injection of a long-term steroid implant (Ozurdex, Allergan). Follow-up evaluations were performed at months 1, 3, and 6 and completed by OCT and MP1 examination. Clinical data underwent statistical analysis. Results:Baseline functional evaluation showed mean visual acuity of 0,63±0,42 LogMAR and retinal sensitivity of 7,93±4,73?dB (mean±standard deviation); after treatment, at day 30 we found, respectively, 0,43±0,38 LogMAR (p<0.05, compared to baseline) and 10,15±4,410?dB (p<0.05); at day 90, we found 0,44±0,32 (p<0.05) and 9.61±4,29?dB (p<0.05); at day 180, we found 0,41±0,31 (p<0.05) and 9,95±3,79?dB (p<0.05). Fixation pattern improved significantly (p<0.05), showing a stable fixation in 30% of patients at baseline, increasing to 77% of patients at day 180. Baseline morphological evaluation showed a central retinal thickness (CRT) of 398,21±181,65??m after treatment; we found a CRT of 222,64±95,21??m at day 30 (p<0.05, compared to baseline), 307,50±120,25??m (p<0.05) at day 90, and 294,93±135,86??m (p<0.05) at day 180. About 15,3% patients showed already at month 3 a recurrence of macular edema. They underwent a retreatment before month 6 as for treatment guidelines. Conclusion:Our detailed analysis showed the significative increase in retinal function in the early phases of the follow-up. Retinal sensibility showed a stronger correlation than VA in macular edema reabsorption, better underlying the progressive functional recovery and increase in quality of vision and life for the patients. This trial is registered with ClinicalTrials.gov NCT03559491.

Dataset Information

Visually Significant Cystoid Macula Edema After Glaucoma Drainage Implant Surgery.

Publications

Visually Significant Cystoid Macula Edema After Glaucoma Drainage Implant Surgery.

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