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  • Title: Polysomnographic outcome of adenotonsillectomy for obstructive sleep apnea in children under 5 years old.
    Author: Walker P, Whitehead B, Gulliver T.
    Journal: Otolaryngol Head Neck Surg; 2008 Jul; 139(1):83-6. PubMed ID: 18585566.
    Abstract:
    OBJECTIVE: To determine success rates after adenotonsillectomy for obstructive sleep apnea (OSA); postoperative polysomnogram (PSG) results were compared with preoperative results in children younger than 5 years. METHODS: Thirty-four children with a preoperative respiratory disturbance index (RDI) greater than 5 in rapid eye movement (REM) sleep underwent both preoperative and postoperative PSG with at least five of seven parameters recorded. RESULTS: Preoperatively, mean total RDI was 15.5, mean REM RDI was 39.6, and 25 (74%) had severe OSA (REM RDI > 20). Postoperatively, mean total RDI improved to 3 (P < 0.001), mean REM RDI to 7.4 (P < 0.001), and 4 remained severe. Overall 22 (65%) showed REM RDI in the normal range (<5), including all with a preoperative REM RDI less than 30. CONCLUSION: On PSG criteria, most children with OSA significantly improved after adenotonsillectomy, but a number had persisting abnormalities. Postoperative PSG should be considered to identify unresolved OSA.
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