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Fletta eftir höfundi "Töyräs, Juha"

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Deep learning-based algorithm accurately classifies sleep stages in preadolescent children with sleep-disordered breathing symptoms and age-matched controls

Somaskandhan, Pranavan; Leppänen, Timo; Terrill, Philip I; Sigurdardottir, Sigridur; Arnardóttir, Erna Sif; Ólafsdóttir, Kristín Anna; Serwatko, Marta; Sigurðardóttir, Sigurveig Þ; Clausen, Michael Valur; Töyräs, Juha; Korkalainen, Henri (2023-04-14)

INTRODUCTION: Visual sleep scoring has several shortcomings, including inter-scorer inconsistency, which may adversely affect diagnostic decision-making. Although automatic sleep staging in adults has been extensively studied, it is uncertain whether ...
Novel oxygen desaturation parameters are associated with cardiac troponin I : Data from the Akershus Sleep Apnea Project

Sigurdardottir, Fjola D.; Øverby, Caroline Tonje; Nikkonen, Sami; Karhu, Tuomas; Dammen, Toril; Nordhus, Inger Hilde; Thorshov, Thea; Einvik, Gunnar; Kainulainen, Samu; Leppänen, Timo; Arnardóttir, Erna Sif; Töyräs, Juha; Omland, Torbjørn; Hrubos-Strøm, Harald (2022-03-15)

Novel diagnostic markers for obstructive sleep apnea beyond the apnea–hypopnea index (AHI) have been introduced. There are no studies on their association with markers of subclinical myocardial injury. We assessed the association between novel desaturation ...
Self-applied somnography : technical feasibility of electroencephalography and electro-oculography signal characteristics in sleep staging of suspected sleep-disordered adults

Rusanen, Matias; Korkalainen, Henri; Grétarsdóttir, Heiður; Siilak, Tiina; Olafsdottir, Kristin Anna; Töyräs, Juha; Myllymaa, Sami; Arnardóttir, Erna Sif; Leppänen, Timo; Kainulainen, Samu (2023-07-03)

Sleep recordings are increasingly being conducted in patients’ homes where patients apply the sensors themselves according to instructions. However, certain sensor types such as cup electrodes used in conventional polysomnography are unfeasible for ...
Severe desaturations increase psychomotor vigilance task-based median reaction time and number of lapses in obstructive sleep apnoea patients

Kainulainen, Samu; Duce, Brett; Korkalainen, Henri; Oksenberg, Arie; Leino, Akseli; Arnardottir, Erna Sif; Kulkas, Antti; Myllymaa, Sami; Töyräs, Juha; Leppänen, Timo (European Respiratory Society (ERS), 2020-04)

Current diagnostic parameters estimating obstructive sleep apnoea (OSA) severity have a poor connection to the psychomotor vigilance of OSA patients. Thus, we aimed to investigate how the severity of apnoeas, hypopnoeas and intermittent hypoxaemia is ...

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Fletta eftir höfundi "Töyräs, Juha"

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