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Paediatric Fabry disease: prognostic significance of ocular changes for disease severity


Kalkum, Gisela; Pitz, Susanne; Karabul, Nesrin; Beck, Michael; Pintos-Morell, Guillem; Parini, Rossella; Rohrbach, Marianne; Bizjajeva, Svetlana; Ramaswami, Uma (2016). Paediatric Fabry disease: prognostic significance of ocular changes for disease severity. BMC Ophthalmology, 16(202):online.

Abstract

BACKGROUND: Ocular signs of Fabry disease can be seen in the first decade of life.
METHODS: We examined the occurrence of ocular signs in 232 paediatric patients in the Fabry Outcome Survey (FOS) international registry and looked for relationships between the presence of eye findings and disease severity as measured by the FOS Mainz severity score index (FOS-MSSI).
RESULTS: At least one ocular sign was found in 55/101 (54.5%) girls and 62/131 (47.3%) boys: cornea verticillata in 53/101 (52.5%) girls and 55/131 (42.0%) boys, vessel tortuosity in 17/98 (17.3%) girls and 32/131 (24.4%) boys, and posterior spoke-like lens opacities in 3/97 (3.1%) girls and 2/130 (1.5%) boys. Summary statistics showed higher median (range) age-adjusted FOS-MSSI total score indicating more severe disease in children with eye findings versus those without eye findings (0.5 [-11.0, 20.7] versus -2.3 [-11.1, 18.8]). At least one eye finding was observed in 59.1% of treated and 37.9% of untreated children.
CONCLUSIONS: We conclude that the presence of ocular signs, particularly cornea verticillata, correlates with more severe disease as indicated by FOS-MSSI scores in paediatric patients with Fabry disease. Ocular signs appear in roughly half of school-aged children with Fabry disease and are well-recognised as a valuable tool for diagnosis of Fabry disease in children; they also may help identify patients who are at risk for developing early severe manifestations of Fabry disease and who should be further evaluated and closely followed up.

Abstract

BACKGROUND: Ocular signs of Fabry disease can be seen in the first decade of life.
METHODS: We examined the occurrence of ocular signs in 232 paediatric patients in the Fabry Outcome Survey (FOS) international registry and looked for relationships between the presence of eye findings and disease severity as measured by the FOS Mainz severity score index (FOS-MSSI).
RESULTS: At least one ocular sign was found in 55/101 (54.5%) girls and 62/131 (47.3%) boys: cornea verticillata in 53/101 (52.5%) girls and 55/131 (42.0%) boys, vessel tortuosity in 17/98 (17.3%) girls and 32/131 (24.4%) boys, and posterior spoke-like lens opacities in 3/97 (3.1%) girls and 2/130 (1.5%) boys. Summary statistics showed higher median (range) age-adjusted FOS-MSSI total score indicating more severe disease in children with eye findings versus those without eye findings (0.5 [-11.0, 20.7] versus -2.3 [-11.1, 18.8]). At least one eye finding was observed in 59.1% of treated and 37.9% of untreated children.
CONCLUSIONS: We conclude that the presence of ocular signs, particularly cornea verticillata, correlates with more severe disease as indicated by FOS-MSSI scores in paediatric patients with Fabry disease. Ocular signs appear in roughly half of school-aged children with Fabry disease and are well-recognised as a valuable tool for diagnosis of Fabry disease in children; they also may help identify patients who are at risk for developing early severe manifestations of Fabry disease and who should be further evaluated and closely followed up.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:16 November 2016
Deposited On:30 Jan 2017 15:54
Last Modified:07 Aug 2017 00:54
Publisher:BioMed Central
ISSN:1471-2415
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1186/s12886-016-0374-2
PubMed ID:27852300

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