Automatic Respiratory Event Scoring in Obstructive Sleep Apnea Using a Long Short-Term Memory Neural Network
Nikkonen, Sami, Korkalainen, Henri, Leino, Akseli, Myllymaa, Sami, Duce, Brett, Leppanen, Timo, Toyras, Juha
Published in IEEE journal of biomedical and health informatics (01.08.2021)
Published in IEEE journal of biomedical and health informatics (01.08.2021)
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Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history
Serajeddin Ebrahimian, Saara Sillanmäki, Salla Hietakoste, Brett Duce, Antti Kulkas, Juha Töyräs, Timo Leppänen, Jukka A. Lipponen, Samu Kainulainen
Published in PloS one (01.12.2022)
Published in PloS one (01.12.2022)
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Effect of Sweating on Electrode-Skin Contact Impedances and Artifacts in EEG Recordings With Various Screen-Printed Ag/Agcl Electrodes
Kalevo, Laura, Miettinen, Tomi, Leino, Akseli, Kainulainen, Samu, Korkalainen, Henri, Myllymaa, Katja, Toyras, Juha, Leppanen, Timo, Laitinen, Tiina, Myllymaa, Sami
Published in IEEE access (2020)
Published in IEEE access (2020)
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Comparison of EEG Signal Characteristics Between Polysomnography and Self Applied Somnography Setup in a Pediatric Cohort
Kainulainen, Samu, Korkalainen, Henri, Sigurdardottir, Sigriur, Myllymaa, Sami, Serwatko, Marta, Sigurdardottir, Sigurveig pora, Clausen, Michael, Leppanen, Timo, Arnardottir, Erna Sif
Published in IEEE access (2021)
Published in IEEE access (2021)
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Journal Article
Deep Learning Enables Accurate Automatic Sleep Staging Based on Ambulatory Forehead EEG
Leino, Akseli, Korkalainen, Henri, Kalevo, Laura, Nikkonen, Sami, Kainulainen, Samu, Ryan, Alexander, Duce, Brett, Sipila, Kirsi, Ahlberg, Jari, Sahlman, Johanna, Miettinen, Tomi, Westeren-Punnonen, Susanna, Mervaala, Esa, Toyras, Juha, Myllymaa, Sami, Leppanen, Timo, Myllymaa, Katja
Published in IEEE access (2022)
Published in IEEE access (2022)
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Journal Article
Technical Performance of Textile-Based Dry Forehead Electrodes Compared With Medical-Grade Overnight Home Sleep Recordings
Rusanen, Matias, Kainulainen, Samu, Korkalainen, Henri, Kalevo, Laura, Myllymaa, Katja, Leppanen, Timo, Toyras, Juha, Arnardottir, Erna Sif, Myllymaa, Sami
Published in IEEE access (2021)
Published in IEEE access (2021)
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Journal Article
Self-applied electrode set provides a clinically feasible solution enabling EEG recording in home sleep apnea testing
Kalevo, Laura, Miettinen, Tomi, Leino, Akseli, Westeren-Punnonen, Susanna, Sahlman, Johanna, Mervaala, Esa, Toyras, Juha, Leppanen, Timo, Myllymaa, Sami, Myllymaa, Katja
Published in IEEE access (01.01.2022)
Published in IEEE access (01.01.2022)
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Journal Article
Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat
Kalevo, Laura, Miettinen, Tomi, Leino, Akseli, Kainulainen, Samu, Myllymaa, Katja, Toyras, Juha, Leppanen, Timo, Myllymaa, Sami
Published in IEEE access (2019)
Published in IEEE access (2019)
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Journal Article
Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea
Korkalainen, Henri, Aakko, Juhani, Duce, Brett, Kainulainen, Samu, Leino, Akseli, Nikkonen, Sami, Afara, Isaac O, Myllymaa, Sami, Töyräs, Juha, Leppänen, Timo
Published in Sleep (New York, N.Y.) (01.11.2020)
Published in Sleep (New York, N.Y.) (01.11.2020)
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Journal Article
Artificial neural network analysis of the oxygen saturation signal enables accurate diagnostics of sleep apnea
Nikkonen, Sami, Afara, Isaac O., Leppänen, Timo, Töyräs, Juha
Published in Scientific reports (13.09.2019)
Published in Scientific reports (13.09.2019)
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Longer apneas and hypopneas are associated with greater ultra-short-term HRV in obstructive sleep apnea
Hietakoste, Salla, Korkalainen, Henri, Kainulainen, Samu, Sillanmäki, Saara, Nikkonen, Sami, Myllymaa, Sami, Duce, Brett, Töyräs, Juha, Leppänen, Timo
Published in Scientific reports (09.12.2020)
Published in Scientific reports (09.12.2020)
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Assessment of obstructive sleep apnea-related sleep fragmentation utilizing deep learning-based sleep staging from photoplethysmography
Huttunen, Riku, Leppänen, Timo, Duce, Brett, Oksenberg, Arie, Myllymaa, Sami, Töyräs, Juha, Korkalainen, Henri
Published in Sleep (New York, N.Y.) (01.10.2021)
Published in Sleep (New York, N.Y.) (01.10.2021)
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Prevalence and characteristics of positional obstructive sleep apnea (POSA) in patients with severe OSA
Oksenberg, Arie, Gadoth, Natan, Töyräs, Juha, Leppänen, Timo
Published in Sleep & breathing (01.06.2020)
Published in Sleep & breathing (01.06.2020)
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Obstructive Sleep Apnea: Do Positional Patients Become Nonpositional Patients With Time?
Oksenberg, Arie, Goizman, Vlada, Eitan, Edith, Nasser, Kitham, Gadoth, Natan, Leppänen, Timo
Published in The Laryngoscope (01.09.2020)
Published in The Laryngoscope (01.09.2020)
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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 S, Kulkas, Antti, Myllymaa, Sami, Töyräs, Juha, Leppänen, Timo
Published in The European respiratory journal (01.04.2020)
Published in The European respiratory journal (01.04.2020)
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Severity of individual obstruction events increases with age in patients with obstructive sleep apnea
Leppänen, Timo, Töyräs, Juha, Mervaala, Esa, Penzel, Thomas, Kulkas, Antti
Published in Sleep medicine (01.09.2017)
Published in Sleep medicine (01.09.2017)
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