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Nasal airway in breathing and speech
D W Warren1, A F Drake, J U Davis
1University of North Carolina Craniofacial Center, Department of Dental Ecology, Chapel Hill 27599-7455.
Summary
Cleft lip and palate often cause nasal airway impairment, affecting breathing and speech. Surgical interventions can further reduce airway size, particularly in unilateral cleft cases.
Area of Science:
- Plastic Surgery
- Otolaryngology
- Speech-Language Pathology
Background:
- Cleft lip and palate frequently lead to nasal deformities and reduced nasal airway size.
- Approximately 70% of individuals with clefts experience nasal airway impairment, with 80% exhibiting some degree of mouth breathing.
- Surgical corrections for clefts can potentially compromise respiratory function.
Purpose of the Study:
- To investigate the impact of cleft lip and palate on nasal airway dimensions.
- To explore the relationship between nasal airway compromise and speech function in the cleft population.
- To analyze how different types of clefts and surgical interventions affect airway size.
Main Methods:
- Review of existing literature on cleft lip and palate, nasal airway dimensions, and speech.
- Analysis of patient data correlating cleft type, surgical history, and respiratory/speech assessments.
- Comparative study of airway size in different cleft classifications (e.g., unilateral vs. bilateral).
Main Results:
- Unilateral clefts are associated with the smallest nasal airway dimensions.
- Surgical procedures, including pharyngeal flap surgery, can further reduce airway size.
- Pre-existing airway compromise may influence the perceived impact of surgical interventions on breathing.
Conclusions:
- Nasal airway compromise is a significant issue in cleft lip and palate patients, impacting both breathing and speech.
- The anatomy of the nose in cleft patients presents challenges for both respiration and speech production.
- Understanding these relationships is crucial for optimizing surgical and therapeutic outcomes.