Abstract
Purpose
To describe the frequency, characteristics, and treatment outcome of persistent fetal vasculature (PFV) in children undergoing surgery for congenital and infantile cataract in the first 2 years of life.
Patients and methods
Observational population-based cohort study with case identification through active surveillance and standardised data collection via a national clinical network, the British Isles Congenital Cataract Interest Group (BCCIG).
Results
The IoLunder2 cohort comprises 246 children undergoing surgery for bilateral and unilateral congenital and infantile cataract in the first 2 years of life. A total of 58/246 (24%) children had PFV (%): overall, 46/95 (46%) with unilateral cataract, and 12/141 (8%) with bilateral disease. Anterior segment vascular remnants were more common in bilateral than unilateral disease (75 vs 11%, P=0.01). At 1 year after surgery, 20% of children with bilateral PFV and 24% with unilateral had achieved normal vision for age within the operated eye. The prevalence of post-operative glaucoma was 9% (of children with bilateral disease) and 4% (unilateral).
Conclusion
PFV is significantly more common than previously reported, and outcomes are comparable to that for congenital and infantile cataract overall.
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Acknowledgements
This work was undertaken at UCL Institute of Child Health/Great Ormond Street Hospital for Children, which received a proportion of funding from the Department of Health’s NIHR Biomedical Research Centres funding scheme. Lola Solebo is funded, and Jugnoo Rahi is supported in part by the National Institute for Health Research (NIHR) Biomedical Research Centre based at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology. Lola Solebo was supported by a personal fellowship awarded by the Ulverscroft Vision Research Group. The views expressed are those of the author(s) and not necessarily those of the funders, the NHS, the NIHR, or the Department of Health.
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Solebo, A., Russell-Eggitt, I., Cumberland, P. et al. Congenital cataract associated with persistent fetal vasculature: findings from IoLunder2. Eye 30, 1204–1209 (2016). https://doi.org/10.1038/eye.2016.159
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DOI: https://doi.org/10.1038/eye.2016.159
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