Journal
OPHTHALMOLOGY
Volume 120, Issue 8, Pages 1665-1671Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ophtha.2013.01.028
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Funding
- National Institutes of Health [P30EY001931, T32EY014537, R01EY017607]
- E. Matilda Ziegler Foundation for the Blind
- RD and Linda Peters Foundation
- Research to Prevent Blindness
- National Center for Research Resources, National Institutes of Health [C06 RR016511]
- VitreoRetinal Surgery Foundation
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Objective: To evaluate subclinical macular findings in premature patients at risk of retinopathy of prematurity (ROP) with the use of handheld spectral-domain optical coherence tomography (SD-OCT). Design: Prospective, observational case series. Participants: Forty-nine prematurely born neonates. Methods: Forty-nine infants were imaged using a handheld SD-OCT. Images were acquired in nonsedated infants in the neonatal intensive care unit (NICU). Some patients were followed and reimaged over the course of several weeks. A total of 300 total images were acquired and evaluated for cystoid macular edema (CME) and persistence of inner retinal layers. Main Outcome Measures: In vivo determination of foveal retinal lamination, image analysis, and clinical observation. Results: A total of 241 (80%) of the images from 46 patients were usable (defined as having scans passing through the fovea with clearly identifiable retinal layers). Persistence of 1 or more inner retinal layers was seen in 43 of the patients with usable images (93%). Of the patients with at least 1 persistent layer, 17, 4, 8, 12, and 1, had a maximum ROP stage of 0, 1, 2, 3, and 4A, respectively. Cystoid macular edema was seen in 25 of the 46 patients (54%) during 1 or more imaging sessions. Cystoid macular edema was present in 9, 1, 5, 9, and 1 patient with maximum ROP stage of 0, 1, 2, 3, and 4A, respectively. Conclusions: Our data suggest there is persistence of inner retinal layers in premature infants regardless of maximal ROP stage. Subclinical CME is seen in premature infants; however, CME does not appear to be correlated with ROP stage. This suggests that there may be other causes for the CME seen in this patient population. Hand-held SD-OCT imaging is a viable technique for evaluating subclinical macular findings in premature infants, although larger datasets are needed from multiple centers to further evaluate the generalizability of these findings. (C) 2013 by the American Academy of Ophthalmology.
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