The Effect of Tonsillectomy and Adenoidectomy on Inattention and Impulsivity as Measured by the Test of Variables of Attention (TOVA) in Children with Obstructive Sleep Apnea Syndrome

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Abstract
OBJECTIVE: To evaluate children with obstructive sleep apnea syndrome (OSAS) for features of attention deficit disorder (ADD) using an objective test of inattention and impulsivity: Test of Variables of Attention (TOVA) and then to determine whether tonsillectomy and adenoidectomy (T+A) results in an improvement in TOVA scores. STUDY DESIGN AND SETTING: This study was a prospective interventional comparative trial in a tertiary care children's hospital. Nineteen children ages 5 to 14 years with OSAS, and otherwise healthy, with a clinical indication for T+A. Preoperative and 2 months postoperative OSA-18, CBCL questionnaires, and TOVA scores were evaluated. RESULTS: The preoperative TOVA scores were in the abnormal range in 12/19 (63%) of the children. The mean preoperative TOVA score was −2.9 (± 3.1). The mean postoperative TOVA score was −0.4 (±2.8). The improvement in the TOVA scores was significant (P < 0.0001, t-test). CONCLUSION: This preliminary data suggests that treatment of OSAS with T+A results in significant improvement in objective parameters of inattention and impulsivity. SIGNIFICANCE: These findings may be important in understanding the impact of OSAS and therapeutic interventions on behavioral problems in children.