Helle Leonthin

Artificial intelligence or sleep experts: comparing polysomnographic sleep staging in children and adolescents

Mathias Perslev, Cecilie Paulsrud, Steffen Ullitz Thorsen, Helle Leonthin et autres

STUDY OBJECTIVES: The manual annotation of polysomnography (PSG) hypnograms is difficult and time-consuming. U-Sleep is an alternative, fast, and publicly available, automated sleep staging system evaluated in adult PSGs. In this study, we compare the staging done by sleep experts and U-sleep …

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Validation of the newly developed Sleep Screening Questionnaire Children and Adolescents (SSQ-CA) with objective sleep measures

Cecilie Paulsrud, Steffen Ullitz Thorsen, P Helms, Mia Sofie F. Weis et autres

OBJECTIVES: Objectively validated pediatric sleep questionnaires covering a broader age range and different sleep disturbances are lacking, therefore we developed the Sleep Screening Questionnaire Children and Adolescents (SSQ-CA) and compared it with objective sleep parameters. METHODS: This child-reported questionnaire was developed by …

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Subjective sleep assessment compared to polysomnography in mechanically ventilated critically ill ICU patients

Jakob Oxlund, Torben Knudsen, Helle Leonthin, Palle Toft et autres

Sleep deprivation is expected in the intensive care unit (ICU) and is associated with delirium and increased mortality. Polysomnography (PSG) is the gold standard for sleep assessment, but practical issues limit the method. Hence, many ICUs worldwide use subjective sleep assessment (SSA) …

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Two nights of home polysomnography in healthy 7-14-year-old children – Feasibility and intraindividual variability

Malthe Jessen Pedersen, Helle Leonthin, Birgitte Mahler, Søren Rittig et autres

OBJECTIVE: Attended polysomnography (PSG) is the gold standard for childhood sleep evaluation. There is, however, only limited information regarding repeated ambulatory PSG in children. We aimed to test whether in hospital attached level 2 home PSG is feasible and reproducible in healthy …

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Validation of an eye movement detector and inter-rater variability of the manual scoring of different types of nocturnal eye movements

Fabio Pizza, Matteo Cesari, Elena Antelmi, Helle Leonthin et autres

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Novel method for evaluation of eye movements in patients with narcolepsy

Julie Anja Engelhard Christensen, Lykke Kempfner, Helle Leonthin, Mathias Hvidtfelt Hansen et autres

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P409: Automatic MSLT sleep/wake detection using novelty feature scaling

Jacob Kempfner, M. Nikolič, Helle Leonthin, Poul Jennum

Decreased sleep spindle density in patients with idiopathic REM sleep behavior disorder and patients with Parkinson’s disease

Julie Anja Engelhard Christensen, Jacob Kempfner, Marielle Zoetmulder, Helle Leonthin et autres

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Narcolepsy and pregnancy: a retrospective E uropean evaluation of 249 pregnancies

Eszter Maurovich‐Horvat, David Kemlink, Birgit Högl, Birgit Frauscher et autres

In a retrospective cohort study undertaken in 12 European countries, 249 female narcoleptic patients with cataplexy (n = 216) and without cataplexy (n = 33) completed a self-administrated questionnaire regarding pregnancy and childbirth. The cohort was divided further into patients whose symptoms …

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Validation of a novel automatic sleep spindle detector with high performance during sleep in middle aged subjects

Sabrina Lyngbye Wendt, Julie Anja Engelhard Christensen, Jacob Kempfner, Helle Leonthin et autres

Many of the automatic sleep spindle detectors currently used to analyze sleep EEG are either validated on young subjects or not validated thoroughly. The purpose of this study is to develop and validate a fast and reliable sleep spindle detector with high …

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Research Design of Ambulant Sleep Experiments: DCSM User Manual 2011

Jacob Kempfner, Gertrud Laura Sørensen, Helle Leonthin, Helge B. D. Sørensen et autres

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Decreased sleep spindle density in patients with idiopathic REM sleep behaviour disorder and patients with Parkinson's disease

Julie Anja Engelhard Christensen, Poul Jennum, Jacob Kempfner, Marielle Zoetmulder et autres

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