Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome

<p><strong>Background:</strong> Pfeiffer syndrome is associated with a genetic mutation of the FGFR2 (or more rarely, FGFR1) gene, and features the combination of craniosynostosis, midface hypoplasia, broad thumbs and broad great toes. Previous research has identified a wide spectr...

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Main Authors: Kilcoyne, S, Potter, KR, Gordon, Z, Overton, S, Brockbank, S, Jayamohan, J, Magdum, S, Smith, M, Johnson, D, Wall, S, Wilkie, AOM
Format: Journal article
Language:English
Published: Lippincott, Williams and Wilkins 2021
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author Kilcoyne, S
Potter, KR
Gordon, Z
Overton, S
Brockbank, S
Jayamohan, J
Magdum, S
Smith, M
Johnson, D
Wall, S
Wilkie, AOM
author_facet Kilcoyne, S
Potter, KR
Gordon, Z
Overton, S
Brockbank, S
Jayamohan, J
Magdum, S
Smith, M
Johnson, D
Wall, S
Wilkie, AOM
author_sort Kilcoyne, S
collection OXFORD
description <p><strong>Background:</strong> Pfeiffer syndrome is associated with a genetic mutation of the FGFR2 (or more rarely, FGFR1) gene, and features the combination of craniosynostosis, midface hypoplasia, broad thumbs and broad great toes. Previous research has identified a wide spectrum of clinical phenotypes in patients with Pfeiffer syndrome. This study aimed to investigate the multifactorial considerations for speech, language, hearing and feeding development in patients with severe genetically-confirmed Pfeiffer syndrome.</p> <p><strong>Methods:</strong> A 23-year retrospective case-note review of patients attending the Oxford Craniofacial Unit was undertaken. Patients were categorized according to genotype. Patients with mutations located in FGFR1, or outside the FGFR2 IgIII domain-hotspot, or representing known Crouzon/Pfeiffer overlap substitutions were excluded. Twelve patients with severe FGFR2-associated Pfeiffer syndrome were identified.</p> <p><strong>Results:</strong> Patients most commonly had pansynostosis (n = 8) followed by bicoronal (n = 3), and bicoronal and sagittal synostosis (n = 1). Seven patients had a Chiari I malformation. Four patients had a diagnosis of epilepsy. Ten patients had with hydrocephalus necessitating ventriculoperitoneal shunt insertion.</p> <p>Feeding difficulties were common (n = 10/12) and multifactorial. In 5/12 cases, they were associated with pansynostosis, hydrocephalus, tracheostomy and tube feeding in infancy.</p> <p>Hearing data were available for 10 patients, of whom 9 had conductive hearing loss, and 8 required hearing aids. Results indicated that 3/4 patients had expressive language difficulties, 3/4 had appropriate receptive language skills. 6/12 patients had a speech sound disorder and abnormal resonance.</p> <p><strong>Conclusion:</strong> This study has identified important speech, language, hearing and feeding issues in patients with severe FGFR2-associated Pfeiffer syndrome. Results indicate that a high rate of motor-based oral stage feeding difficulties, and pharyngeal stage swallowing difficulties necessitating regular review by specialist craniofacial speech and language therapists.</p>
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spelling oxford-uuid:6ee0dc4f-a63d-41e7-936b-a597b588a9d02022-05-20T12:47:07ZFeeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndromeJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:6ee0dc4f-a63d-41e7-936b-a597b588a9d0EnglishSymplectic ElementsLippincott, Williams and Wilkins2021Kilcoyne, SPotter, KRGordon, ZOverton, SBrockbank, SJayamohan, JMagdum, SSmith, MJohnson, DWall, SWilkie, AOM<p><strong>Background:</strong> Pfeiffer syndrome is associated with a genetic mutation of the FGFR2 (or more rarely, FGFR1) gene, and features the combination of craniosynostosis, midface hypoplasia, broad thumbs and broad great toes. Previous research has identified a wide spectrum of clinical phenotypes in patients with Pfeiffer syndrome. This study aimed to investigate the multifactorial considerations for speech, language, hearing and feeding development in patients with severe genetically-confirmed Pfeiffer syndrome.</p> <p><strong>Methods:</strong> A 23-year retrospective case-note review of patients attending the Oxford Craniofacial Unit was undertaken. Patients were categorized according to genotype. Patients with mutations located in FGFR1, or outside the FGFR2 IgIII domain-hotspot, or representing known Crouzon/Pfeiffer overlap substitutions were excluded. Twelve patients with severe FGFR2-associated Pfeiffer syndrome were identified.</p> <p><strong>Results:</strong> Patients most commonly had pansynostosis (n = 8) followed by bicoronal (n = 3), and bicoronal and sagittal synostosis (n = 1). Seven patients had a Chiari I malformation. Four patients had a diagnosis of epilepsy. Ten patients had with hydrocephalus necessitating ventriculoperitoneal shunt insertion.</p> <p>Feeding difficulties were common (n = 10/12) and multifactorial. In 5/12 cases, they were associated with pansynostosis, hydrocephalus, tracheostomy and tube feeding in infancy.</p> <p>Hearing data were available for 10 patients, of whom 9 had conductive hearing loss, and 8 required hearing aids. Results indicated that 3/4 patients had expressive language difficulties, 3/4 had appropriate receptive language skills. 6/12 patients had a speech sound disorder and abnormal resonance.</p> <p><strong>Conclusion:</strong> This study has identified important speech, language, hearing and feeding issues in patients with severe FGFR2-associated Pfeiffer syndrome. Results indicate that a high rate of motor-based oral stage feeding difficulties, and pharyngeal stage swallowing difficulties necessitating regular review by specialist craniofacial speech and language therapists.</p>
spellingShingle Kilcoyne, S
Potter, KR
Gordon, Z
Overton, S
Brockbank, S
Jayamohan, J
Magdum, S
Smith, M
Johnson, D
Wall, S
Wilkie, AOM
Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome
title Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome
title_full Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome
title_fullStr Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome
title_full_unstemmed Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome
title_short Feeding, communication, hydrocephalus, and intracranial hypertension in patients with severe FGFR2-associated Pfeiffer syndrome
title_sort feeding communication hydrocephalus and intracranial hypertension in patients with severe fgfr2 associated pfeiffer syndrome
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