The use of OCT to detect signs of intracranial hypertension in patients with sagittal suture synostosis: Reference values and correlations

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Abstract

Purpose: To obtain pediatric normative reference values and determine whether optical coherence tomography (OCT) corresponds better with clinical signs of intracranial hypertension (ICH) compared to the traditional screening method fundoscopy in a large cohort of one type of single suture craniosynostosis. Methods: Control subjects without optic nerve diseases and isolated sagittal synostosis patients aged 3–10 years who underwent fundoscopy and OCT were included in this prospective cohort study. Normative reference values were obtained through bootstrap analysis. Main outcome was the association between peripapillary total retinal thickness (TRT) and total retinal volume (TRV) and appearance on fundoscopy. Signs and symptoms suggestive of ICH, including skull growth arrest, fingerprinting, and headache, were scored. Results: Sixty-four healthy controls and 93 isolated sagittal synostosis patients were included. Normative cut-off values for mean TRT are < 256 μm and > 504 μm and for mean TRV < 0.21 mm3 and > 0.39 mm3. TRT was increased in 16 (17%) and TRV in 15 (16%) of 93 patients, compared to only 4 patients with papilledema on fundoscopy (4%). Both parameters were associated with papilledema on fundoscopy (OR = 16.7, p = 0.02, and OR = 18.2, p = 0.01). Skull growth arrest was significantly associated with abnormal OCT parameters (OR = 13.65, p < 0.01). Conclusions: The established cut-off points can be applied to screen for ICH in pediatrics. The present study detected abnormalities with OCT more frequent than with fundoscopy, which were associated with skull growth arrest. Therefore, a combination of OCT, fundoscopy, and skull growth arrest can improve clinical decision-making in craniosynostosis.

Original languageEnglish
Pages (from-to)1937-1947
Number of pages11
JournalChild's Nervous System
Volume38
Issue number10
DOIs
Publication statusPublished - Oct 2022

Bibliographical note

Funding Information:
This study was funded by the foundation “Stichting Lijf en Leven” (Krimpen aan de IJssel, the Netherlands, Grant no. 16–155).

Publisher Copyright: © 2022, The Author(s).

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