Timo Leppanen (Timo Leppänen)

ORCID

Publication Activity (10 Years)

Years Active: 2016-2024
Publications (10 Years): 39

Top Venues

Journal of sleep research

Sleep

ERJ open research

American journal of physiology. Heart and circulatory physiology

University of Eastern Finland

University of Eastern Finland (PHD)

This page only lists publications with an associated author ORCID identifier.

Affiliation History

University of Eastern Finland

Finland

Senior Researcher :: Department of Applied Physics

Kuopio University Hospital

Finland

Researcher :: Diagnostic Imaging Center

Education History

University of Eastern Finland

Finland

PHD :: Department of Applied Physics

University of Eastern Finland

Finland

MSC :: Department of Applied Physics

University of Eastern Finland

Finland

BSC :: Department of Applied Physics

Publications

Mieli Luukinen, Henna Pitkanen, Timo Leppanen, Juha Töyräs, Anna Sigridur Islind, Samu Kainulainen, Henri Korkalainen
Variation in the Photoplethysmogram Response to Arousal From Sleep Depending on the Cause of Arousal and the Presence of Desaturation. IEEE journal of translational engineering in health and medicine 12 (2024)
Katrin Y Fridgeirsdottir, Kristín A Ólafsdóttir, Anna Sigridur Islind, Timo Leppanen, Erna Sif Arnardóttir, Jose M Saavedra
The role of physical activity on obstructive sleep apnea severity and hypoxic load, and the mismatch between subjective and objective physical activity assessments. Journal of sleep research (2024)
Eric Staykov, Dwayne L Mann, Timo Leppanen, Juha Töyräs, Samu Kainulainen, Ali Azarbarzin, Brett Duce, Scott A Sands, Philip I Terrill, null null
Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study. Sleep 47 (6) (2024)
Purbanka Pahari, Henri Korkalainen, Erna Sif Arnardóttir, Anna Sigridur Islind, Elias August, Arie Oksenberg, Juha Töyräs, Timo Leppanen, Sami Nikkonen
Prolonged lung-to-finger circulation time indicates an increased risk of intermittent hypoxaemia in sleep apnoea patients. ERJ open research 10 (4) (2024)
Eric Staykov, Dwayne L Mann, Timo Leppanen, Juha Töyräs, Samu Kainulainen, Ali Azarbarzin, Brett Duce, Scott A Sands, Philip I Terrill, null null
Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study. Sleep (2024)
Mieli Luukinen, Henna Pitkanen, Timo Leppanen, Juha Töyräs, Anna Sigridur Islind, Samu Kainulainen, Henri Korkalainen
Variation in the Photoplethysmogram Response to Arousal From Sleep Depending on the Cause of Arousal and the Presence of Desaturation. IEEE journal of translational engineering in health and medicine 12 (2024)
Eric Staykov, Dwayne L Mann, Timo Leppanen, Juha Töyräs, Samu Kainulainen, Ali Azarbarzin, Brett Duce, Scott A Sands, Philip I Terrill, null null
Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study. Sleep 47 (6) (2024)
Serajeddin Ebrahimian Hadi Kiashari, Saara Sillanmäki, Salla Hietakoste, Antti Kulkas, Juha Töyräs, Raquel Bailón, David Hernando, Carolina Lombardi, Ludger Grote, Maria Rosaria Bonsignore, Tarja Saaresranta, Jean Louis Pépin, Timo Leppanen, Samu Kainulainen
Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients. American journal of physiology. Heart and circulatory physiology 326 (5) (2024)
Serajeddin Ebrahimian Hadi Kiashari, Saara Sillanmäki, Salla Hietakoste, Antti Kulkas, Juha Töyräs, Raquel Bailón, David Hernando, Carolina Lombardi, Ludger Grote, Maria Rosaria Bonsignore, Tarja Saaresranta, Jean Louis Pépin, Timo Leppanen, Samu Kainulainen
Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients. American journal of physiology. Heart and circulatory physiology 326 (5) (2024)
Purbanka Pahari, Henri Korkalainen, Erna Sif Arnardóttir, Anna Sigridur Islind, Elias August, Arie Oksenberg, Juha Töyräs, Timo Leppanen, Sami Nikkonen
Prolonged lung-to-finger circulation time indicates an increased risk of intermittent hypoxaemia in sleep apnoea patients. ERJ open research 10 (4) (2024)
Serajeddin Ebrahimian Hadi Kiashari, Saara Sillanmäki, Salla Hietakoste, Antti Kulkas, Juha Töyräs, Raquel Bailón, David Hernando, Carolina Lombardi, Ludger Grote, Maria Rosaria Bonsignore, Tarja Saaresranta, Jean Louis Pépin, Timo Leppanen, Samu Kainulainen
Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients. American journal of physiology. Heart and circulatory physiology 326 (5) (2024)
Henna Pitkanen, Sami Nikkonen, Marika Rissanen, Anna Sigridur Islind, Heidur Gretarsdottir, Erna Sif Arnardóttir, Timo Leppanen, Henri Korkalainen
Multi-centre arousal scoring agreement in the Sleep Revolution. Journal of sleep research 33 (4) (2023)
Walter T McNicholas, Erna Sif Arnardóttir, Timo Leppanen, Sophia Schiza, Winfried J Randerath, null null
CPAP therapy for obstructive sleep apnoea: persisting challenges in outcome assessment. The European respiratory journal 62 (1) (2023)
Gabriel Natan Pires, Erna Sif Arnardóttir, Anna Sigridur Islind, Timo Leppanen, Walter T McNicholas
Consumer sleep technology for the screening of obstructive sleep apnea and snoring: current status and a protocol for a systematic review and meta-analysis of diagnostic test accuracy. Journal of sleep research (2023)
Purbanka Pahari, Henri Korkalainen, Tuomas Karhu, Erna Sif Arnardóttir, Juha Töyräs, Timo Leppanen, Sami Nikkonen
Reaction time in psychomotor vigilance task is related to hypoxic load in males with sleep apnea. Journal of sleep research (2023)
Matias Rusanen, Henri Korkalainen, Heidur Gretarsdottir, Tiina Siilak, Kristin Anna Olafsdottir, Juha Töyräs, Sami Myllymaa, Erna Sif Arnardóttir, Timo Leppanen, Samu Kainulainen
Self-applied somnography: technical feasibility of electroencephalography and electro-oculography signal characteristics in sleep staging of suspected sleep-disordered adults. Journal of sleep research (2023)
Henna Pitkanen, Sami Nikkonen, Marika Rissanen, Anna Sigridur Islind, Heidur Gretarsdottir, Erna Sif Arnardóttir, Timo Leppanen, Henri Korkalainen
Multi-centre arousal scoring agreement in the Sleep Revolution. Journal of sleep research (2023)
Sami Nikkonen, Pranavan Somaskandhan, Henri Korkalainen, Samu Kainulainen, Philip I Terrill, Heidur Gretarsdottir, Sigridur Sigurdardottir, Kristin Anna Olafsdottir, Anna Sigridur Islind, María Óskarsdóttir, Erna Sif Arnardóttir, Timo Leppanen
Multicentre sleep-stage scoring agreement in the Sleep Revolution project. Journal of sleep research (2023)
Mikke Varis, Tuomas Karhu, Timo Leppanen, Sami Nikkonen
Utilizing Envelope Analysis of a Nasal Pressure Signal for Sleep Apnea Severity Estimation. Diagnostics (Basel, Switzerland) 13 (10) (2023)
Minna Pitkänen, Rajdeep Kumar Nath, Henri Korkalainen, Sami Nikkonen, Alaa Mahamid, Arie Oksenberg, Brett Duce, Juha Töyräs, Samu Kainulainen, Timo Leppanen
Respiratory event index underestimates severity of sleep apnea compared to apnea-hypopnea index. Sleep advances : a journal of the Sleep Research Society 5 (1) (2023)
Henna Pitkanen, Sami Nikkonen, Marika Rissanen, Anna Sigridur Islind, Heidur Gretarsdottir, Erna Sif Arnardóttir, Timo Leppanen, Henri Korkalainen
Multi-centre arousal scoring agreement in the Sleep Revolution. Journal of sleep research 33 (4) (2023)
Minna Pitkänen, Rajdeep Kumar Nath, Henri Korkalainen, Sami Nikkonen, Alaa Mahamid, Arie Oksenberg, Brett Duce, Juha Töyräs, Samu Kainulainen, Timo Leppanen
Respiratory event index underestimates severity of sleep apnea compared to apnea-hypopnea index. Sleep advances : a journal of the Sleep Research Society 5 (1) (2023)
Fábio Mendonça, Sheikh Shanawaz Mostafa, Ankit Gupta, Erna Sif Arnardottir, Timo Leppanen, Fernando Morgado-Dias, Antonio G Ravelo-García
API: an Alternative View for Sleep Stability Analysis based on Automatic Detection of the A-Phases from the Cyclic Alternating Pattern. Sleep (2022)
Fjola D Sigurdardottir, Caroline Tonje Øverby, Sami Nikkonen, Tuomas Karhu, Toril Dammen, Inger Hilde Nordhus, Thea Thorshov, Gunnar Einvik, Samu Kainulainen, Timo Leppanen, Erna Sif Arnardottir, Juha Töyräs, Torbjørn Omland, Harald Hrubos-Strøm
Novel oxygen desaturation parameters are associated with cardiac troponin I: Data from the Akershus Sleep Apnea Project. Journal of sleep research 31 (5) (2022)
Erna Sif Arnardóttir, Anna Sigridur Islind, María Óskarsdóttir, Kristín A Ólafsdóttir, Elias August, Lára Jónasdóttir, Harald Hrubos-Strøm, Jose M Saavedra, Ludger Grote, Jan Hedner, Sveinbjörn Höskuldsson, Jón Skírnir Ágústsson, Kamilla Rún Jóhannsdóttir, Walter T McNicholas, Dirk A Pevernagie, Reijo Sund, Juha Töyräs, Timo Leppanen, null null
The Sleep Revolution project: the concept and objectives. Journal of sleep research 31 (4) (2022)
Sami Nikkonen, Henri Korkalainen, Juha Töyräs, Timo Leppanen
STAR sleep recording export software for automatic export and anonymization of sleep studies. Scientific reports 12 (1) (2022)
Purbanka Pahari, Henri Korkalainen, Tuomas Karhu, Marika Rissanen, Erna Sif Arnardóttir, Harald Hrubos-Strøm, Brett Duce, Juha Töyräs, Timo Leppanen, Sami Nikkonen
Obstructive sleep apnea-related intermittent hypoxaemia is associated with impaired vigilance. Journal of sleep research (2022)
Salla Hietakoste, Tuomas Karhu, Saara Sillanmäki, Raquel Bailón, Thomas Penzel, Juha Töyräs, Timo Leppanen, Sami Myllymaa, Samu Kainulainen
Obstructive sleep apnoea-related respiratory events and desaturation severity are associated with the cardiac response. ERJ open research 8 (4) (2022)
Tuomas Karhu, Sami Myllymaa, Sami Nikkonen, Diego R Mazzotti, Antti Kulkas, Juha Töyräs, Timo Leppanen
Diabetes and cardiovascular diseases are associated with the worsening of intermittent hypoxaemia. Journal of sleep research (2021)
Riku Huttunen, Timo Leppanen, Brett Duce, Arie Oksenberg, Sami Myllymaa, Juha Töyräs, Henri Korkalainen
Assessment of obstructive sleep apnea-related sleep fragmentation utilizing deep learning-based sleep staging from photoplethysmography. Sleep 44 (10) (2021)
Timo Leppanen, Sami Myllymaa, Antti Kulkas, Juha Töyräs
Beyond the apnea-hypopnea index: alternative diagnostic parameters and machine learning solutions for estimation of sleep apnea severity. Sleep 44 (9) (2021)
Arie Oksenberg, Vlada Goizman, Edith Eitan, Kitham Nasser, Natan Gadoth, Timo Leppanen
How sleepy patients differ from non-sleepy patients in mild obstructive sleep apnea? Journal of sleep research (2021)
Samu Kainulainen, Brett Duce, Henri Korkalainen, Akseli Leino, Riku Huttunen, Laura Kalevo, Erna Sif Arnardóttir, Antti Kulkas, Sami Myllymaa, Juha Töyräs, Timo Leppanen
Increased nocturnal arterial pulsation frequencies of obstructive sleep apnoea patients is associated with an increased number of lapses in a psychomotor vigilance task. ERJ open research 6 (4) (2020)
Samu Kainulainen, Brett Duce, Henri Korkalainen, Arie Oksenberg, Akseli Leino, Erna Sif Arnardóttir, Antti Kulkas, Sami Myllymaa, Juha Töyräs, Timo Leppanen
Severe desaturations increase psychomotor vigilance task-based median reaction time and number of lapses in obstructive sleep apnoea patients. The European respiratory journal 55 (4) (2020)
Antti Kulkas, Brett Duce, Juha Töyräs, Juha Seppä, Timo Leppanen
Comparison of the effect of weight change, simulated computational continuous positive airway pressure treatment and positional therapy on severity of sleep apnea. Journal of sleep research 30 (2) (2020)
Henri Korkalainen, Juha Töyräs, Sami Nikkonen, Timo Leppanen
Mortality-risk-based apnea-hypopnea index thresholds for diagnostics of obstructive sleep apnea. Journal of sleep research 28 (6) (2019)
Arie Oksenberg, Vlada Goizman, Edith Eitan, Kitham Nasser, Natan Gadoth, Timo Leppanen
Obstructive Sleep Apnea: Do Positional Patients Become Nonpositional Patients With Time? The Laryngoscope 130 (9) (2019)
Timo Leppanen, Juha Töyräs, Anu Muraja-Murro, Salla Kupari, Pekka Tiihonen, Esa Mervaala, Antti Kulkas
Length of Individual Apnea Events Is Increased by Supine Position and Modulated by Severity of Obstructive Sleep Apnea. Sleep disorders 2016 (2016)
Timo Leppanen, Antti Kulkas, Brett Duce, Esa Mervaala, Juha Töyräs
Severity of individual obstruction events is gender dependent in sleep apnea. Sleep & breathing = Schlaf & Atmung 21 (2) (2016)

Timo Leppanen.css-eqlu8i{font-size:small;padding-left:4px;} (Timo Leppänen)

Publication Activity (10 Years)

Top Topics

Top Venues

Timo Leppanen (Timo Leppänen)