The relationship between parasomnias and sleep respiratory events in children with epilepsy
Background: Both sleep respiratory events (apneas, hypopneas, desaturations) and parasomnias consist frequent sleep problems in children with epilepsy. Studies have also shown that sleep apneas predispose to poor seizure control. Objective: Our aim is to investigate the possible relationship between parasomnias and sleep respiratory events in these children. Methods: Totally 40 children (20 girls-20 boys, mean age 2.69±2.43 years) with idiopathic epilepsy underwent overnight polysomnography and sleep respiratory parameters were recorded. Parasomnias were diagnosed by sleep questionnaires. Statistically analysis was performed with SPSS. Results: Totally 31 children (77.5%) had ≥ 1 parasomnias. Bruxism was diagnosed in 7 children (17.5%), sleep talking in 21 children (52.5%), confusional arousals in 7 children (17.5%) and sleep walking in 4 children (10%). Children with confusional arousals had a significant higher mean value of both the Obstructive Apnea-Hypopnea Index (2.63±1.26 VS 1.67±0.69, p=0.01) and the Central Apnea Index (0.47±0.46 VS 0.23±0.18, p=0.040 in comparison to children without confusional arousals. Mean age and Body Mass Index were similar in these two groups. Moreover, the mean value of the desaturation index was significantly higher in children with sleep talking (1.58±1.05 VS 0.74±0.52, p<0.01). Bruxism and sleep walking did not predispose to sleep respiratory events. Conclusion: Diagnosis of confusional arousals can be easily made by sleep questionnaires and medical history. An epileptic child with confusional arousals during sleep should also be screened for respiratory sleep problems, especially if poor disease control or anatomical risk factors are present.
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Επιστημών Υγείας, Τμήμα Ιατρικής
European Respiratory Journal, vol.48 no.60(S)  p.4355
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