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Drusen Volume as a Predictor of Disease Progression in Patients With Late Age-Related Macular Degeneration in the Fellow Eye.

Publication ,  Journal Article
Abdelfattah, NS; Zhang, H; Boyer, DS; Rosenfeld, PJ; Feuer, WJ; Gregori, G; Sadda, SR
Published in: Invest Ophthalmol Vis Sci
April 2016

PURPOSE: Increasing drusen volume was proposed to be a predictor of disease progression in age-related macular degeneration (AMD). In patients with late AMD in one eye, the fellow eyes without neovascularization are known to be at higher risk of developing exudative AMD. We evaluated the relationship between drusen volume in these fellow eyes and their progression to late AMD. METHODS: A retrospective analysis included fellow eyes with drusen associated with nonexudative AMD. All eyes with neovascular AMD were treated with intravitreal ranibizumab, aflibercept, and/or bevacizumab and followed for 2 years. All eyes were scanned with the Cirrus HD-OCT using a 512 × 128 scan pattern. Optical coherence tomography (OCT) data at baseline, month 12, and month 24 were collected using the advanced RPE analysis tool to quantify drusen volume within 3- and 5-mm-diameter circles centered on the fovea. Optical coherence tomography scans were also evaluated for the development of geographic atrophy (GA) or macular neovascularization (MNV). RESULTS: Eighty-nine patients who had neovascular AMD in only one eye were studied. Optical coherence tomography drusen volume in the absence of MNV could be measured in 61 participants (68.5%). After 12 months, 4 eyes (4.5%) developed MNV and 15 eyes (16.9%) developed GA. By 24 months of follow-up, an additional 5 eyes (7.1%) developed MNV and an additional 10 eyes (14.3%) developed GA. At month 24, the eyes that developed GA or MNV had baseline drusen volumes that were significantly larger than in eyes that did not develop late AMD. Patients with a drusen volume over 0.03 mm3 had a greater than 4-fold increased risk for developing late AMD compared with those with lower drusen volumes. CONCLUSIONS: Baseline drusen volume appears to be an important predictor for the development of late AMD within 2 years in eyes that have fellow eyes being actively treated for MNV. This suggests that OCT-derived drusen volume measurements may be a useful biomarker to identify eyes at the highest risk for progression to late AMD.

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Published In

Invest Ophthalmol Vis Sci

DOI

EISSN

1552-5783

Publication Date

April 2016

Volume

57

Issue

4

Start / End Page

1839 / 1846

Location

United States

Related Subject Headings

  • Tomography, Optical Coherence
  • Time Factors
  • Retrospective Studies
  • Retinal Drusen
  • Recombinant Fusion Proteins
  • Receptors, Vascular Endothelial Growth Factor
  • Ranibizumab
  • Prognosis
  • Ophthalmology & Optometry
  • Middle Aged
 

Citation

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Abdelfattah, N. S., Zhang, H., Boyer, D. S., Rosenfeld, P. J., Feuer, W. J., Gregori, G., & Sadda, S. R. (2016). Drusen Volume as a Predictor of Disease Progression in Patients With Late Age-Related Macular Degeneration in the Fellow Eye. Invest Ophthalmol Vis Sci, 57(4), 1839–1846. https://doi.org/10.1167/iovs.15-18572
Abdelfattah, Nizar Saleh, Hongyang Zhang, David S. Boyer, Philip J. Rosenfeld, William J. Feuer, Giovanni Gregori, and SriniVas R. Sadda. “Drusen Volume as a Predictor of Disease Progression in Patients With Late Age-Related Macular Degeneration in the Fellow Eye.Invest Ophthalmol Vis Sci 57, no. 4 (April 2016): 1839–46. https://doi.org/10.1167/iovs.15-18572.
Abdelfattah NS, Zhang H, Boyer DS, Rosenfeld PJ, Feuer WJ, Gregori G, et al. Drusen Volume as a Predictor of Disease Progression in Patients With Late Age-Related Macular Degeneration in the Fellow Eye. Invest Ophthalmol Vis Sci. 2016 Apr;57(4):1839–46.
Abdelfattah, Nizar Saleh, et al. “Drusen Volume as a Predictor of Disease Progression in Patients With Late Age-Related Macular Degeneration in the Fellow Eye.Invest Ophthalmol Vis Sci, vol. 57, no. 4, Apr. 2016, pp. 1839–46. Pubmed, doi:10.1167/iovs.15-18572.
Abdelfattah NS, Zhang H, Boyer DS, Rosenfeld PJ, Feuer WJ, Gregori G, Sadda SR. Drusen Volume as a Predictor of Disease Progression in Patients With Late Age-Related Macular Degeneration in the Fellow Eye. Invest Ophthalmol Vis Sci. 2016 Apr;57(4):1839–1846.

Published In

Invest Ophthalmol Vis Sci

DOI

EISSN

1552-5783

Publication Date

April 2016

Volume

57

Issue

4

Start / End Page

1839 / 1846

Location

United States

Related Subject Headings

  • Tomography, Optical Coherence
  • Time Factors
  • Retrospective Studies
  • Retinal Drusen
  • Recombinant Fusion Proteins
  • Receptors, Vascular Endothelial Growth Factor
  • Ranibizumab
  • Prognosis
  • Ophthalmology & Optometry
  • Middle Aged