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J Pediatr Hematol Oncol. 2017 Nov;39(8):618-625. doi: 10.1097/MPH.0000000000000919.

New Ways to Detect Pediatric Sickle Cell Retinopathy: A Comprehensive Review.

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1
*Departments of Pediatrics †Ophthalmology, Columbia University Medical Center, New York, NY.

Abstract

Sickle retinopathy reflects disease-related vascular injury of the eye, which can potentially result in visual loss from vitreous hemorrhage or retinal detachment. Here we review sickle retinopathy among children with sickle cell disease, describe the epidemiology, pediatric risk factors, pathophysiology, ocular findings, and treatment. Newer, more sensitive ophthalmological imaging modalities are available for retinal imaging, including ultra-widefield fluorescein angiography, spectral-domain optical coherence tomography, and optical coherence tomography angiography. Optical coherence tomography angiography provides a noninvasive view of retinal vascular layers that could previously not be imaged and can be quantified for comparative or prospective analyses. Ultra-widefield fluorescein angiography provides a more comprehensive view of the peripheral retina than traditional imaging techniques. Screening for retinopathy by standard fundoscopic imaging modalities detects a prevalence of approximately 10%. In contrast, these more sensitive methods allow for more sensitive examination that includes the retina perimeter where sickle retinopathy is often first detectable. Use of these new imaging modalities may detect a higher prevalence of early sickle pathology among children than has previously been reported. Earlier detection may help in better understanding the pathogenesis of sickle retinopathy and guide future screening and treatment paradigms.

PMID:
28737601
PMCID:
PMC5656515
[Available on 2018-11-01]
DOI:
10.1097/MPH.0000000000000919
[Indexed for MEDLINE]

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