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Sohaib R. Rufai, Richard Bowman, Catey Bunce, Vasiliki Panteli, Rebecca J. McLean, Seema Teli, Irene Gottlob, Mervyn G. Thomas, Noor ul Owase Jeelani, Frank A. Proudlock; Feasibility and Repeatability of Handheld Optical Coherence Tomography in Children With Craniosynostosis. Trans. Vis. Sci. Tech. 2021;10(8):24. doi: https://doi.org/10.1167/tvst.10.8.24.
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To determine whether handheld optical coherence tomography (OCT) is feasible and repeatable in children with craniosynostosis.
This was a prospective cross-sectional study. Children with syndromic and non-syndromic craniosynostosis 0 to 18 years of age were recruited between February 13, 2020, and October 1, 2020. Main outcome measures included feasibility (patient recruitment and handheld OCT success rates) and repeatability, which were assessed using intraclass correlation coefficients (ICCs) where repeated images of the optic nerve head (ONH) within the same visit were available. ONH parameters used for repeatability analysis included cup depth, width, and area; disc width; rim height; retinal thickness; retinal nerve fiber layer thickness; and Bruch's membrane opening minimum rim width.
Fifty children were approached, and all 50 (100%) were successfully recruited. Median age was 51.1 months (range, 1.9–156.9; interquartile range, 37.0–74.2), and 33 of the children (66%) were male. At least one ONH image was obtained in 43 children (86%), and bilateral ONH imaging was successful in 38 children (76%). Factors boosting the likelihood of success included good understanding and cooperation of the child and parent/guardian and availability of an assistant. Repeatability analysis was performed in 20 children, demonstrating good repeatability (ICC range, 0.77–0.99; the majority exceeded 0.90). OCT correctly identified two cases of intracranial hypertension, one of which was undetected by prior fundoscopy.
Handheld OCT is feasible and repeatable in children with syndromic and non-syndromic forms of craniosynostosis.
Our handheld OCT approach could be used for the clinical surveillance of children with craniosynostosis.
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