Accurate deep learning-based sleep staging in a clinical population with suspected obstructive sleep apnea H Korkalainen, J Aakko, S Nikkonen, S Kainulainen, A Leino, B Duce, ... IEEE journal of biomedical and health informatics 24 (7), 2073-2081, 2019 | 96 | 2019 |
Severity of desaturations reflects OSA-related daytime sleepiness better than AHI S Kainulainen, J Töyräs, A Oksenberg, H Korkalainen, S Sefa, A Kulkas, ... Journal of Clinical Sleep Medicine 15 (8), 1135-1142, 2019 | 70 | 2019 |
Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea H Korkalainen, J Aakko, B Duce, S Kainulainen, A Leino, S Nikkonen, ... Sleep 43 (11), zsaa098, 2020 | 61 | 2020 |
Severity of desaturation events differs between hypopnea and obstructive apnea events and is modulated by their duration in obstructive sleep apnea A Kulkas, B Duce, T Leppänen, C Hukins, J Töyräs Sleep and Breathing 21, 829-835, 2017 | 51 | 2017 |
Severity of individual obstruction events increases with age in patients with obstructive sleep apnea T Leppänen, J Töyräs, E Mervaala, T Penzel, A Kulkas Sleep medicine 37, 32-37, 2017 | 51 | 2017 |
Artificial neural network analysis of the oxygen saturation signal enables accurate diagnostics of sleep apnea S Nikkonen, IO Afara, T Leppänen, J Töyräs Scientific reports 9 (1), 1-9, 2019 | 43 | 2019 |
Length of individual apnea events is increased by supine position and modulated by severity of obstructive sleep apnea T Leppänen, J Töyräs, A Muraja-Murro, S Kupari, P Tiihonen, E Mervaala, ... Sleep disorders 2016, 2016 | 42 | 2016 |
Severity of individual obstruction events is gender dependent in sleep apnea T Leppänen, A Kulkas, B Duce, E Mervaala, J Töyräs Sleep and Breathing 21, 397-404, 2017 | 35 | 2017 |
Effect of sweating on electrode-skin contact impedances and artifacts in EEG recordings with various screen-printed Ag/Agcl electrodes L Kalevo, T Miettinen, A Leino, S Kainulainen, H Korkalainen, K Myllymaa, ... IEEE Access 8, 50934-50943, 2020 | 34 | 2020 |
Severe desaturations increase psychomotor vigilance task-based median reaction time and number of lapses in obstructive sleep apnoea patients S Kainulainen, B Duce, H Korkalainen, A Oksenberg, A Leino, ... European Respiratory Journal 55 (4), 2020 | 30 | 2020 |
Effect of different oxygen desaturation threshold levels on hypopnea scoring and classification of severity of sleep apnea S Myllymaa, K Myllymaa, S Kupari, A Kulkas, T Leppänen, P Tiihonen, ... Sleep and Breathing 19, 947-954, 2015 | 28 | 2015 |
Increase in body mass index decreases duration of apneas and hypopneas in obstructive sleep apnea T Leppänen, A Kulkas, E Mervaala, J Töyräs Respiratory care 64 (1), 77-84, 2019 | 26 | 2019 |
Amount of weight loss or gain influences the severity of respiratory events in sleep apnea A Kulkas, T Leppänen, J Sahlman, P Tiihonen, E Mervaala, J Kokkarinen, ... Medical & biological engineering & computing 53, 975-988, 2015 | 26 | 2015 |
Prevalence and characteristics of positional obstructive sleep apnea (POSA) in patients with severe OSA A Oksenberg, N Gadoth, J Töyräs, T Leppänen Sleep and Breathing 24, 551-559, 2020 | 23 | 2020 |
Mortality‐risk‐based apnea–hypopnea index thresholds for diagnostics of obstructive sleep apnea H Korkalainen, J Töyräs, S Nikkonen, T Leppänen Journal of sleep research 28 (6), e12855, 2019 | 22 | 2019 |
Automatic respiratory event scoring in obstructive sleep apnea using a long short-term memory neural network S Nikkonen, H Korkalainen, A Leino, S Myllymaa, B Duce, T Leppänen, ... IEEE Journal of Biomedical and Health Informatics 25 (8), 2917-2927, 2021 | 21 | 2021 |
Neural network analysis of nocturnal SpO2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease A Leino, S Nikkonen, S Kainulainen, H Korkalainen, J Töyräs, S Myllymaa, ... Sleep Medicine 79, 71-78, 2021 | 21 | 2021 |
Gender differences in severity of desaturation events following hypopnea and obstructive apnea events in adults during sleep A Kulkas, B Duce, T Leppänen, C Hukins, J Töyräs Physiological Measurement 38 (8), 1490, 2017 | 20 | 2017 |
RemLogic plug-in enables clinical application of apnea-hypopnea index adjusted for severity of individual obstruction events T Leppänen, M Särkkä, A Kulkas, A Muraja-Murro, S Kupari, M Anttonen, ... Journal of medical engineering & technology 40 (3), 119-126, 2016 | 20 | 2016 |
Assessment of obstructive sleep apnea-related sleep fragmentation utilizing deep learning-based sleep staging from photoplethysmography R Huttunen, T Leppänen, B Duce, A Oksenberg, S Myllymaa, J Töyräs, ... Sleep 44 (10), zsab142, 2021 | 17 | 2021 |