Premium
Evaluation of choroidal thickness depending on the stage of diabetic retinopathy by SD‐OCT
Author(s) -
CHAKER N,
MGHAIETH F,
DALLELI F,
CHEBIL A,
BOURAOUI R,
MRABET A,
EL MATRI L
Publication year - 2013
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/j.1755-3768.2013.f031.x
Subject(s) - medicine , diabetic retinopathy , ophthalmology , choroid , diabetes mellitus , retinal , visual acuity , stage (stratigraphy) , retinopathy , ultrasonography , retina , surgery , endocrinology , physics , optics , paleontology , biology
Purpose To evaluate the choroidal thickness in diabetes and study its variation with different stages of diabetic retinopathy (DR). Methods Retrospective study of 155 eyes of 83 diabetic patients treated between June 2011 and October 2012. All patients benefited from a complete ophthalmologic examination, laboratory tests conventional A‐scan ultrasonography,choroidal and retinal tomography Results The mean age patients was 57,54 with. There was not diabetic retinopathy DR(‐) in 36,77% of cases. There was a minimal noproliferative diabetic retinopathy NPDR in 17,41%, moderate NPDR in 15%, moderate preproliferative PPDR in 5,8%, severe PPDR in 11,6%, moderate PDR in 6,45%, severe PDR 4,51% and 2,58% in complicated PDR. The tomographic study objectified a thinner choroid in diabetic patients, with mean choroidal thickness (MCT=263+30µm) and subfoveal thickness (SFVCT=261.4+33.8µm). In the group with RD (+), choroid thickness (p=0,04), significantly decreased compared to DR (‐) group, but not correlate with the severity of DR. There was, however, a statistically significant difference between the different stages of DR for the following variables: HBA1C, visual acuity and near VA (p<10‐3). The SD‐OCT has objectified a macular retinal thickening which increased significantly with the severity of DR (p<10‐3). Moreover, the choroidal thickness varied little between the various stages of DR. We found a statistically significant correlation between SFVCT: duration of hypertension, the rate group. While the MCT was significantly correlated with ser Conclusion SD‐OCT now possible to explore the choroid, measure its thickness and assess its variation with the DR stages