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Updated: Aug 23, 2026

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
Published on: November 4, 2025
Undiagnosed obstructive sleep apnea syndrome in children with syndromal craniofacial synostosis
Marloes Pijpers1, Patrick J P Poels, J Michiel Vaandrager
1Departments of Pediatric Intensive Care, Erasmus Medical Center-Sophia, Rotterdam, The Netherlands.
Insights
Children with syndromal craniofacial synostosis frequently develop obstructive sleep apnea syndrome. A questionnaire revealed higher suspicion rates than medical records, highlighting the need for regular screening.
Area of Science:
- Pediatric medicine
- Genetics
- Sleep medicine
Background:
- Syndromal craniofacial synostosis (Apert, Crouzon, Pfeiffer syndromes) is associated with a high risk of obstructive sleep apnea syndrome (OSAS).
- Understanding the natural history and clinical presentation of OSAS in these children is crucial for early diagnosis and management.
- Limited data exists on the lifelong development and characteristics of OSAS in syndromal craniofacial synostosis.
Purpose of the Study:
- To investigate the clinical history and treatment of OSAS from birth to adulthood in children with syndromal craniofacial synostosis.
- To compare the prevalence of OSAS suspicion between retrospective medical record analysis and patient/parent questionnaires.
- To identify factors associated with OSAS presentation and severity in this population.
Main Methods:
- Retrospective analysis of medical records for children with Apert, Crouzon, or Pfeiffer syndromes (born 1984-2001).
- Assessment of OSAS symptoms and history via medical records and a standardized questionnaire.
- Evaluation of treatment modalities including adenotonsillectomy, continuous positive airway pressure (CPAP), and Le Fort III surgery.
Main Results:
- OSAS suspicion was reported in 26% of medical records versus 53% via questionnaire.
- OSAS presentation and severity were not age-dependent.
- Cold exacerbations of OSAS symptoms were noted in nearly half of the children; specific symptoms correlated with high OSAS suspicion.
Conclusions:
- Questionnaire-based screening significantly increases the detection rate of OSAS suspicion in children with syndromal craniofacial synostosis compared to medical records.
- Regular screening using standardized questionnaires can improve the early identification of OSAS in this high-risk pediatric population.
- Prompt diagnosis and management of OSAS are essential to mitigate associated morbidity.
Abstract:
Children with syndromal craniofacial synostosis have a high risk for obstructive sleep apnea syndrome. Early diagnosis and treatment can relieve symptoms and morbidity. Little is known about the development and natural history of obstructive sleep apnea syndrome through life. The aim of this study was to investigate our experience of clinical history and treatment modalities concerning obstructive sleep apnea syndrome from birth until the current age in children with syndromal craniofacial synostosis. Children with one of the three syndromal craniofacial synostoses (Apert, Crouzon, or Pfeiffer) born between 1984 and 2001 were evaluated. The medical history and symptoms of obstructive sleep apnea syndrome were assessed by retrospective analysis of the medical records. The present and past complaints were explored by means of a questionnaire. Retrospective analysis of the medical records showed a suspicion for obstructive sleep apnea syndrome in 26% of the children compared with 53% in the questionnaire. The severity and presentation of obstructive sleep apnea syndrome were not related to the age of the child. Obstructive sleep apnea syndrome symptoms occurred in almost half of the children during colds. Several symptoms were significantly more common in children with a high suspicion for obstructive sleep apnea syndrome. Treatment modalities consisted of adenotonsillectomies, continuous positive airway pressure, and Le Fort III surgery. Use of a standard questionnaire showed that the suspicion for obstructive sleep apnea syndrome in children with syndromal craniofacial synostosis is much higher than reported in the medical records. Regular screening for obstructive sleep apnea syndrome with a standard questionnaire could be of additional value for the detection of obstructive sleep apnea syndrome in children with syndromal craniofacial synostosis.
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