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MRI of the pharynx in young patients with sleep disordered breathing
1Department of Radiology, Tottori University School of Medicine, Yonago, Japan.
Abstract:
15 patients, aged 1-14 years, with sleep disordered breathing underwent turbo fast low angle shot MRI during drug-induced sleep. The site of obstruction within the pharynx was identified. Data from MRI were compared with fibroscopic findings. The degree of hypertrophy of the palatine tonsils as determined by MRI was also compared with that determined by visual inspection while awake. MRI was completed in all cases, whereas fibroscopy was completed in only six of the 10 cases examined. MRI findings agreed with those of fibroscopy in all the patients who underwent both investigations. On MRI, the pharynx was obstructed in 12 of the 15 cases examined (80%); the palatine tonsils were involved in all of these while both the palatine tonsils and nasopharynx were obstructed in three of the 12 cases. One of the 12 patients was graded as Grade I of Mackenzie's scale. One of the cases graded as Grade II showed no obstruction. In conclusion, fast MRI proved useful in identifying the site of pharyngeal obstruction in young patients with sleep disordered breathing.
Insights
Fast MRI effectively identifies pharyngeal obstruction in children with sleep disordered breathing. This imaging technique aids in pinpointing airway issues, crucial for diagnosing and treating pediatric sleep apnea.
Area of Science:
- Pediatric Pulmonology
- Medical Imaging
- Sleep Medicine
Background:
- Sleep disordered breathing (SDB) is a significant concern in pediatric populations.
- Accurate identification of airway obstruction is critical for effective SDB management in children.
- Traditional diagnostic methods may have limitations in pediatric SDB assessment.
Purpose of the Study:
- To evaluate the utility of turbo fast low angle shot Magnetic Resonance Imaging (MRI) in identifying pharyngeal obstruction in children with SDB.
- To compare MRI findings with fibroscopic examinations and visual inspection of palatine tonsil hypertrophy.
- To assess the diagnostic accuracy of fast MRI in pediatric SDB.
Main Methods:
- Fifteen pediatric patients (aged 1-14 years) with SDB underwent drug-induced sleep MRI.
- MRI data were compared with fibroscopy and awake visual inspection of palatine tonsils.
- The site and degree of pharyngeal obstruction were analyzed using MRI.
Main Results:
- MRI successfully identified the site of pharyngeal obstruction in 80% (12/15) of patients.
- MRI findings correlated well with fibroscopic results in all comparable cases.
- Palatine tonsil hypertrophy was a common finding, with combined palatine and nasopharyngeal obstruction noted in some cases.
Conclusions:
- Turbo fast low angle shot MRI is a valuable tool for diagnosing pharyngeal obstruction in pediatric SDB.
- Fast MRI offers a reliable, non-invasive method for visualizing airway anatomy during sleep.
- This imaging modality can aid clinicians in the diagnosis and management of SDB in children.
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