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Article Dans Une Revue Journal of Clinical Sleep Medicine Année : 2019

Sleep in ADCY5-Related Dyskinesia: Prolonged Awakenings Caused by Abnormal Movements

Résumé

STUDY OBJECTIVES: ADCY5 mutations cause early-onset hyperkinetic movement disorders comprising diurnal and nocturnal paroxysmal dyskinesia, and patient-reported sleep fragmentation. We aimed to characterize all movements occurring during sleep and in the transition from sleep to awakening, to ascertain if there is a primary sleep disorder, or if the sleep disturbance is rather a consequence of the dyskinesia. METHODS: Using video polysomnography, we evaluated the nocturnal motor events and abnormal movements in 7 patients with ADCY5-related dyskinesia and compared their sleep measures with those of 14 age- and sex-matched healthy controls. RESULTS: We observed an increased occurrence of abnormal movements during wake periods compared to sleep in patients with ADCY5-related dyskinesia. While asleep, abnormal movements occurred more frequently during stage N2 and REM sleep, in contrast with stage N3 sleep. Abnormal movements were also more frequent during morning awakenings compared to wake periods before falling asleep. The pattern of the nocturnal abnormal movements mirrored those observed during waking hours. Compared to controls, patients with ADCY5-related dyskinesia had lower sleep efficiencies due to prolonged awakenings secondary to the abnormal movements, but no other differences in sleep measures. Notably, sleep onset latency was short and devoid of violent abnormal movements. CONCLUSIONS: In this series of patients with ADCY5-related dyskinesia, nocturnal paroxysmal dyskinesia were not associated with drowsiness or delayed sleep onset, but emerged during nighttime awakenings with subsequent delayed sleep, whereas sleep architecture was normal.

Dates et versions

hal-03698380 , version 1 (17-06-2022)

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Citer

Aurélie Meneret, Emmanuel Roze, Jean-Baptiste Maranci, Pauline Dodet, Diane Doummar, et al.. Sleep in ADCY5-Related Dyskinesia: Prolonged Awakenings Caused by Abnormal Movements. Journal of Clinical Sleep Medicine, 2019, 15 (7), pp.1021-1029. ⟨10.5664/jcsm.7886⟩. ⟨hal-03698380⟩
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