Abstract:
:Purpose. To compare fluorescein angiography (FA) and optical coherence tomography angiography (OCTA) images of foveal avascular zone (FAZ) in patients with diabetic retinopathy (DR) with and without diabetic macular ischemia (DMI). Methods. The Wilcoxon signed-rank test was used to compare area measurements and p values of <0.05 were considered statistically significant. FA and OCTA images were independently graded by 2 observers that reached agreement regarding quantitative DMI according established protocols. The ischemic area was divided into "large" macular ischemia (superior to 0.32 mm2) and "small" (inferior to 0.32 mm2) groups. Quantitative analyses of the FAZ were performed using custom software. Results. Thirty-four eyes from 34 diabetic patients were enrolled. Subjects with DMI presented a mean area on FA and OCTA of 0.68 ± 0.53 mm2 and 0.58 ± 0.35 mm2, respectively (p = 0.1374). Patients without DMI presented a mean area on FA and OCTA of 0.19 ± 0.67 mm2 and 0.20 ± 0.79 mm2, respectively (p = 0.9594). The ICC for the FAZ measurements between the 2 observers on FA and OCTA was 0.96 and 0.92, respectively. Conclusion. OCTA represents a novel technique for the diagnosis of DMI and it may become an alternative to FA for this purpose.
journal_name
J Ophthalmoljournal_title
Journal of ophthalmologyauthors
Garcia JM,Lima TT,Louzada RN,Rassi AT,Isaac DL,Avila Mdoi
10.1155/2016/3989310subject
Has Abstractpub_date
2016-01-01 00:00:00pages
3989310eissn
2090-004Xissn
2090-0058journal_volume
2016pub_type
杂志文章abstract:Purpose:To evaluate intraoperative complications and utilization of adjunctive devices between microscope and intracameral illuminations during cataract surgery in the elderly over 75 years. Design:A retrospective, consecutive, interventional case series Participants. Two hundred eighty-six eyes of 184 patients older ...
journal_title:Journal of ophthalmology
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abstract::[This corrects the article DOI: 10.1155/2016/3690140.]. ...
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