Paramacular temporal atrophy in sickle cell disease occurs early in childhood. 2019

Gilles C Martin, and Eliane Albuisson, and Valentine Brousse, and Mariane de Montalembert, and Dominique Bremond-Gignac, and Matthieu P Robert
Ophthalmology Department and Rare Ophthalmological Diseases Reference Centre, Necker-Enfants Malades University Hospital, APHP, Paris, France gilles.martin@aphp.fr.

Initially reported in a few patients with homozygous sickle cell disease (SCD), atrophic areas of the retina temporal from the macula are now known to be present in about 48% of eyes of adult patients with SS-SCD and in 35% of eyes of adult patients with SC-SCD. The aim of this study is to describe this paramacular atrophy in children affected with SCD. In this retrospective series, spectral-domain optical coherence tomography images of 81 children with SCD, acquired with specific patterns including one evaluating the retina temporal to the macula, were reviewed, in order to look for retinal atrophy. Fundus examination status for SCD peripheral retinopathy was also reviewed. Mean age was 12.0 years (SD: 3.56). The genotype distribution was: 64 HbSS (79%), 10 HbSC (12%) and 7 HbS/β0 thalassaemia (9%). Using a usual fovea-centred programme, retinal atrophy was found in 38% of eyes (52% of children). Using a specific temporal pattern, retinal atrophy was found in 53% of eyes (64% of children), with no significant difference in the prevalence between HbSS and HbSC genotype (p=0.92), and no effect of age (mean 12.3 years (SD=3.61) vs11.9 (3.56), p=0.65). Peripheral retinopathy was found in 11% of children, with a significant relation between the HbSC genotype and the severity of the retinopathy (p=0.003). Paramacular temporal atrophy occurs early in the course of SCD, which suggests distinct mechanisms from those of peripheral retinopathy.

UI MeSH Term Description Entries
D008266 Macula Lutea An oval area in the retina, 3 to 5 mm in diameter, usually located temporal to the posterior pole of the eye and slightly below the level of the optic disk. It is characterized by the presence of a yellow pigment diffusely permeating the inner layers, contains the fovea centralis in its center, and provides the best phototropic visual acuity. It is devoid of retinal blood vessels, except in its periphery, and receives nourishment from the choriocapillaris of the choroid. (From Cline et al., Dictionary of Visual Science, 4th ed) Lutea, Macula,Luteas, Macula,Macula Luteas
D008297 Male Males
D012164 Retinal Diseases Diseases involving the RETINA. Disease, Retinal,Diseases, Retinal,Retinal Disease
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000755 Anemia, Sickle Cell A disease characterized by chronic hemolytic anemia, episodic painful crises, and pathologic involvement of many organs. It is the clinical expression of homozygosity for hemoglobin S. Hemoglobin S Disease,HbS Disease,Sickle Cell Anemia,Sickle Cell Disease,Sickle Cell Disorders,Sickling Disorder Due to Hemoglobin S,Anemias, Sickle Cell,Cell Disease, Sickle,Cell Diseases, Sickle,Cell Disorder, Sickle,Cell Disorders, Sickle,Disease, Hemoglobin S,Hemoglobin S Diseases,Sickle Cell Anemias,Sickle Cell Diseases,Sickle Cell Disorder
D001284 Atrophy Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes. Atrophies

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