Childhood Adenotonsillectomy Trial

6.6.9 PSG Exclusion Criteria

Children with PSG results that do not meet OAI/AHI saturation criteria after central review are ineligible for participation regardless of the local clinical interpretation of the PSG data. PSG exclusion criteria are:

• Severe OSAS or significant hypoxemia requiring immediate AT as defined by:
  • OAI > 20 or
  • AHI > 30,
  • Desaturation defined as SaO2 <90% for more than 2% sleep time
• Apnea hypopnea indices in the normal range (OAI < 1 and AHI < 2).
• Evidence of clinically significant cardiac arrhythmia on PSG:
  • Non-sustained ventricular tachycardia
  • Atrial fibrillation
  • Second degree AV block
    • Sustained bradycardia < 40 bpm (>2 minutes)
    • Sustained tachycardia > 140 bpm (>2 minutes)