Development and Course of Scars in the Comparison of Age-Related Macular Degeneration Treatments Trials.
Development and Course of Scars in the Comparison of Age-Related Macular Degeneration Treatments Trials.
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DOI:
10.1016/j.ophtha.2018.01.004
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发表时间:
2018-07
期刊:
影响因子:
13.7
通讯作者:
Comparison of Age-related Macular Degeneration Treatments Trials
中科院分区:
文献类型:
--
作者:
Daniel E;Pan W;Ying GS;Kim BJ;Grunwald JE;Ferris FL 3rd;Jaffe GJ;Toth CA;Martin DF;Fine SL;Maguire MG;Comparison of Age-related Macular Degeneration Treatments Trials
To describe risk factors for scar formation and changes to fibrotic scar through five years in the Comparison of Age-related Macular Degeneration Treatments Trials (CATT). Multicenter, prospective cohort study. 1061 subjects in CATT. Color photographic and fluorescein angiographic images from baseline and 1, 2, and 5 years were evaluated. Incidence of scar formation was estimated with Kaplan-Meier curves. Risk factors were assessed with Cox regression models. Scar formation, fibrotic scar area and macular atrophy associated with fibrotic scar (“atrophy”). Cumulative proportion of eyes with scar was 32%, 46% and 56% at year 1, 2 and 5, respectively. Baseline factors associated with increased risk (adjusted hazards ratio (aHR) and 95% CI) were classic CNV (aHR 4.49, 95% C.I 3.34, 6.04) vs occult, hemorrhage > 1 disc area (2.28, 95% C.I. 1.49, 3.47) vs no hemorrhage, retinal thickness >212 um (2.58, 95% C.I. 1.69, 3.94) vs <120 um, subretinal tissue complex thickness >275 um (2.64, 95% CI.1.81, 3.84) vs <=75um, subretinal fluid thickness >25um (1.31, 95% CI 0.97, 1.75) vs no fluid, visual acuity in fellow eye 20/20 (1.72, 95% CI 1.25, 2.36) vs 20/50 or worse, RPE elevation absence (1.71, 95% C.I 1.21, 2.41) and subretinal hyperreflective material (1.72, 95% CI 1.25, 2.36). Among 68 eyes that developed fibrotic scar at year 1, visual acuity decreased by a mean of additional 13 letters between year 1 and 5. Mean scar area was 1.2, 1.2 and 1.9 DAs at 1, 2 and 5 years, respectively. Atrophy was present in 18%, 24%, and 54% of these eyes at year 1, 2 and 5, mean areas being 1.6, 2.0 and 3.1 DAs, respectively. Atrophy replaced fibrotic scar in 8 eyes at year 5. There was no significant correlation between scar growth and atrophy growth. The rate of growth for both was similar between the clinical trial and observation periods. Several morphological features, including classic CNV and large hemorrhage, are associated with scar formation. Rate of new scar formation declined after two years. Most fibrotic scars and accompanying macular atrophy expanded over time, reducing visual acuity.
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影响因子:
4.6
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Miura M;Makita S;Sugiyama S;Hong YJ;Yasuno Y;Elsner AE;Tamiya S;Tsukahara R;Iwasaki T;Goto H
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