Tonsillar Hypertrophy Management
Tonsillar Grading and Evaluation
- The Brodsky scale grades tonsils from 0-4 based on the percentage of oropharyngeal airway obstruction, with Grade 1: <25% obstruction, Grade 2: 25-50% obstruction, Grade 3: 50-75% obstruction, and Grade 4: >75% obstruction, as recommended by the European Respiratory Society 1
- When there is discordance between tonsillar size on physical examination and reported severity of sleep-disordered breathing (SDB), polysomnography (PSG) should be advocated to clarify diagnosis and guide treatment decisions, according to the American Academy of Otolaryngology-Head and Neck Surgery 2, 3
Management Approach
- Adenotonsillectomy is recommended as first-line treatment for children with obstructive sleep apnea syndrome (OSAS) who have clinical examination consistent with adenotonsillar hypertrophy, as stated by the American Academy of Pediatrics 4
- Tonsillectomy as a single intervention is recommended for treatment of adult OSA in the presence of significant tonsillar hypertrophy, according to the European Respiratory Society 7
- For patients with mild to moderate OSA who fail CPAP therapy, tonsil size should be objectively assessed as it correlates with both snoring index and apnea/hypopnea index, and mandibular advancement devices (MADs) may be considered as an alternative to surgery, as suggested by the European Respiratory Society 1
Special Considerations and Follow-up
- Complete resolution of OSA after adenotonsillectomy occurs in 60-70% of normal-weight children but only 10-25% of obese children, highlighting the multifactorial nature of the condition, as reported by the American Academy of Otolaryngology-Head and Neck Surgery 6
- Post-operative polysomnography should be considered in patients with persistent symptoms after surgery, severe preoperative OSA, or obesity or other risk factors for persistent SDB, as recommended by the European Respiratory Society and the American Academy of Pediatrics 4, 7