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Opitz (G) syndrome
Insights
Opitz syndrome (G syndrome) is a rare genetic disorder causing congenital malformations and severe aspiration. Early recognition is crucial due to life-threatening airway obstruction and swallowing difficulties.
Area of Science:
- Genetics
- Pediatrics
- Otolaryngology
Background:
- Opitz syndrome, also known as G syndrome, is characterized by congenital anomalies including hypertelorism and hypospadias.
- It is often associated with recurrent aspiration due to impaired swallowing mechanisms.
- The inheritance pattern is suggested to be autosomal dominant with a male predominance.
Observation:
- This report details an infant diagnosed with Opitz syndrome.
- The infant experienced progressive airway obstruction necessitating multiple endotracheal intubations.
- A laryngeal granuloma developed post-extubation, requiring tracheostomy and surgical removal.
Findings:
- Persistent aspiration was a significant and ongoing issue for the patient.
- No vocal cord paralysis or structural laryngeal abnormalities were identified.
- Aspiration was attributed to neural incoordination affecting laryngeal and pharyngoesophageal motor functions.
Implications:
- The findings highlight the critical role of neural dysregulation in the aspiration associated with Opitz syndrome.
- Early diagnosis of Opitz syndrome is imperative for managing life-threatening complications like airway obstruction and aspiration.
- This case underscores the need for comprehensive respiratory and swallowing assessments in affected infants.
Abstract:
Opitz syndrome, or G syndrome, is a composite of congenital malformations including hypertelorism, hypospadias, and recurrent aspiration secondary to a disordered swallowing mechanism. The mode of inheritance is probably autosomal dominant with male predominance. This paper describes an infant with this syndrome who developed progressive airway obstruction requiring several endotracheal intubations. After extubation a laryngeal granuloma developed and required tracheostomy and excision. A hallmark of the patient's life has been persistent aspiration. No vocal cord paralysis or anatomic laryngeal anomaly was present. The aspiration was apparently due to neural incoordination of laryngeal and pharyngoesophageal motor activity. Because of the threat to life posed by aspiration, early recognition of this syndrome is imperative.