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The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time
Children with Crouzon syndrome have a higher incidence of cerebellar tonsillar herniation (TH) and ventriculomegaly than the general population, or children with other craniosynostosis syndromes. OBJECTIVE: This retrospective cohort study aimed to determine how ventriculomegaly and TH develop and pr...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Lippincott Williams & Wilkins
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8785943/ https://www.ncbi.nlm.nih.gov/pubmed/35083101 http://dx.doi.org/10.1097/GOX.0000000000003979 |
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author | Doerga, Priya N. de Planque, Catherine A. Erler, Nicole S. van Veelen, Marie-Lise C. Mathijssen, Irene M.J. |
author_facet | Doerga, Priya N. de Planque, Catherine A. Erler, Nicole S. van Veelen, Marie-Lise C. Mathijssen, Irene M.J. |
author_sort | Doerga, Priya N. |
collection | PubMed |
description | Children with Crouzon syndrome have a higher incidence of cerebellar tonsillar herniation (TH) and ventriculomegaly than the general population, or children with other craniosynostosis syndromes. OBJECTIVE: This retrospective cohort study aimed to determine how ventriculomegaly and TH develop and progress over time, and determine associations between ventriculomegaly and TH in Crouzon patients, treated according to our center’s protocol. METHODS: Fronto-occipital horn ratio (FOHR) and TH were determined over time using brain-imaging. These data were used to fit a mixed-model to determine associations between them, and with clinical variables, head-circumference, and lambdoid suture synostosis. RESULTS: Sixty-three Crouzon patients were included in this study. Preoperatively, 28% had ventriculomegaly, and 11% had TH ≥ +5 mm. Postoperatively ventriculomegaly increased to 49%. Over time and with treatment, FOHR declined and stabilized around 5 years of age. TH ≥ +5 mm increased to 46% during follow-up. FOHR and TH were associated: expected FOHR with a TH of either 0 mm versus +8.6 mm at 0 years: 0.44 versus 0.49, and at 5 years: 0.34 versus 0.38; 10% increase of FOHR was associated with 1.6 mm increase in TH. Increased head-circumference was associated with increased FOHR. Lambdoid suture synostosis was associated with +6.9 mm TH increase. CONCLUSIONS: In Crouzon patients, FOHR was large at onset and decreased and stabilized with treatment and time. FOHR was associated with head-circumference and TH. TH was strongly associated with lambdoid suture synostosis and FOHR. Increased head-circumference was associated with an increased FOHR, and closed lambdoid sutures before 1 year of age were associated with a +6.92 mm increase in tonsil position. |
format | Online Article Text |
id | pubmed-8785943 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Lippincott Williams & Wilkins |
record_format | MEDLINE/PubMed |
spelling | pubmed-87859432022-01-25 The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time Doerga, Priya N. de Planque, Catherine A. Erler, Nicole S. van Veelen, Marie-Lise C. Mathijssen, Irene M.J. Plast Reconstr Surg Glob Open Craniofacial/Pediatric Children with Crouzon syndrome have a higher incidence of cerebellar tonsillar herniation (TH) and ventriculomegaly than the general population, or children with other craniosynostosis syndromes. OBJECTIVE: This retrospective cohort study aimed to determine how ventriculomegaly and TH develop and progress over time, and determine associations between ventriculomegaly and TH in Crouzon patients, treated according to our center’s protocol. METHODS: Fronto-occipital horn ratio (FOHR) and TH were determined over time using brain-imaging. These data were used to fit a mixed-model to determine associations between them, and with clinical variables, head-circumference, and lambdoid suture synostosis. RESULTS: Sixty-three Crouzon patients were included in this study. Preoperatively, 28% had ventriculomegaly, and 11% had TH ≥ +5 mm. Postoperatively ventriculomegaly increased to 49%. Over time and with treatment, FOHR declined and stabilized around 5 years of age. TH ≥ +5 mm increased to 46% during follow-up. FOHR and TH were associated: expected FOHR with a TH of either 0 mm versus +8.6 mm at 0 years: 0.44 versus 0.49, and at 5 years: 0.34 versus 0.38; 10% increase of FOHR was associated with 1.6 mm increase in TH. Increased head-circumference was associated with increased FOHR. Lambdoid suture synostosis was associated with +6.9 mm TH increase. CONCLUSIONS: In Crouzon patients, FOHR was large at onset and decreased and stabilized with treatment and time. FOHR was associated with head-circumference and TH. TH was strongly associated with lambdoid suture synostosis and FOHR. Increased head-circumference was associated with an increased FOHR, and closed lambdoid sutures before 1 year of age were associated with a +6.92 mm increase in tonsil position. Lippincott Williams & Wilkins 2022-01-24 /pmc/articles/PMC8785943/ /pubmed/35083101 http://dx.doi.org/10.1097/GOX.0000000000003979 Text en Copyright © 2022 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of The American Society of Plastic Surgeons. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND) (https://creativecommons.org/licenses/by-nc-nd/4.0/) , where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. |
spellingShingle | Craniofacial/Pediatric Doerga, Priya N. de Planque, Catherine A. Erler, Nicole S. van Veelen, Marie-Lise C. Mathijssen, Irene M.J. The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time |
title | The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time |
title_full | The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time |
title_fullStr | The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time |
title_full_unstemmed | The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time |
title_short | The Course and Interaction of Ventriculomegaly and Cerebellar Tonsillar Herniation in Crouzon Syndrome over Time |
title_sort | course and interaction of ventriculomegaly and cerebellar tonsillar herniation in crouzon syndrome over time |
topic | Craniofacial/Pediatric |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8785943/ https://www.ncbi.nlm.nih.gov/pubmed/35083101 http://dx.doi.org/10.1097/GOX.0000000000003979 |
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