Antti Kulkas

Affiliations

Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.
Department of Clinical Neurophysiology, Seinäjoki Central Hospital, Seinäjoki, Finland.

ORCID: 0000-0001-8252-3996

Publications (18)

Diabetes and cardiovascular diseases are associated with the worsening of intermittent hypoxaemia.

Journal of sleep research

Avec: Tuomas Karhu , Sami Myllymaa , Sami Nikkonen , Diego R Mazzotti , Antti Kulkas , Juha Töyräs , Timo Leppänen

Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history.

PloS one

Avec: Serajeddin Ebrahimian , Saara Sillanmäki , Salla Hietakoste , Brett Duce , Antti Kulkas , Juha Töyräs , Timo Leppänen , Jukka A Lipponen , Samu Kainulainen

Power spectral densities of nocturnal pulse oximetry signals differ in OSA patients with and without daytime sleepiness.

Sleep medicine

Avec: Samu Kainulainen , Juha Töyräs , Arie Oksenberg , Henri Korkalainen , Isaac O Afara , Akseli Leino , Laura Kalevo , Sami Nikkonen , Natan Gadoth , Antti Kulkas , Sami Myllymaa , Timo Leppänen

Increase in Body Mass Index Decreases Duration of Apneas and Hypopneas in Obstructive Sleep Apnea.

Respiratory care

Avec: Timo Leppänen , Antti Kulkas , Esa Mervaala , Juha Töyräs

Pulse Oximetry: The Working Principle, Signal Formation, and Applications.

Advances in experimental medicine and biology

Avec: Timo Leppänen , Samu Kainulainen , Henri Korkalainen , Saara Sillanmäki , Antti Kulkas , Juha Töyräs , Sami Nikkonen

Polysomnographic characteristics of severe obstructive sleep apnea vary significantly between hypertensive and normotensive patients of both genders.

Sleep & breathing = Schlaf & Atmung

Avec: T Leppänen , A Kulkas , J Töyräs , S Myllymaa , N Gadoth , A Oksenberg

Severity of Desaturations Reflects OSA-Related Daytime Sleepiness Better Than AHI.

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine

Avec: Samu Kainulainen , Juha Töyräs , Arie Oksenberg , Henri Korkalainen , Sandra Sefa , Antti Kulkas , Timo Leppänen

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

Avec: Samu Kainulainen , Brett Duce , Henri Korkalainen , Akseli Leino , Riku Huttunen , Laura Kalevo , Erna S Arnardottir , Antti Kulkas , Sami Myllymaa , Juha Töyräs , Timo Leppänen

Morbid obesity influences the nocturnal electrocardiogram wave and interval durations among suspected sleep apnea patients.

Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc

Avec: Samu Kainulainen , Aaron Suni , Jukka A Lipponen , Antti Kulkas , Brett Duce , Henri Korkalainen , Sami Nikkonen , Saara Sillanmäki

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

Avec: Antti Kulkas , Brett Duce , Juha Töyräs , Juha Seppä , Timo Leppänen

Gamma Power of Electroencephalogram Arousal Is Modulated by Respiratory Event Type and Severity in Obstructive Sleep Apnea.

IEEE transactions on bio-medical engineering

Avec: Henna Pitkanen , Brett Duce , Timo Leppanen , Samu Kainulainen , Antti Kulkas , Sami Myllymaa , Juha Toyras , Henri Korkalainen

Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients.

American journal of physiology. Heart and circulatory physiology

Avec: Serajeddin Ebrahimian , Saara Sillanmäki , Salla Hietakoste , Antti Kulkas , Juha Töyräs , Raquel Bailon , David Hernando , Carolina Lombardi , Ludger Grote , Maria R Bonsignore , Tarja Saaresranta , Jean-Louis Pépin , Timo Leppänen , Samu Kainulainen

Obstructive Sleep Apnea Patients With Atrial Arrhythmias Suffer From Prolonged Recovery From Desaturations.

IEEE transactions on bio-medical engineering

Avec: Marika Rissanen , Henri Korkalainen , Brett Duce , Saara Sillanmaki , Henna Pitkanen , Aaron Suni , Sami Nikkonen , Antti Kulkas , Juha Toyras , Timo Leppanen , Samu Kainulainen

Longer duration electroencephalogram arousals have a better relationship with impaired vigilance and health status in obstructive sleep apnoea.

Sleep & breathing = Schlaf & Atmung

Avec: Brett Duce , Antti Kulkas , Juha Töyräs , Philip Terrill , Craig Hukins

Severe desaturations increase psychomotor vigilance task-based median reaction time and number of lapses in obstructive sleep apnoea patients.

The European respiratory journal

Avec: Samu Kainulainen , Brett Duce , Henri Korkalainen , Arie Oksenberg , Akseli Leino , Erna S Arnardottir , Antti Kulkas , Sami Myllymaa , Juha Töyräs , Timo Leppänen

QTc prolongation is associated with severe desaturations in stroke patients with sleep apnea.

BMC pulmonary medicine

Avec: Saara Sillanmäki , Jukka A Lipponen , Henri Korkalainen , Antti Kulkas , Timo Leppänen , Sami Nikkonen , Juha Töyräs , Brett Duce , Aaron Suni , Samu Kainulainen

Review and perspective on sleep-disordered breathing research and translation to clinics.

Sleep medicine reviews

Avec: Henri Korkalainen , Samu Kainulainen , Anna Sigridur Islind , María Óskarsdóttir , Christian Strassberger , Sami Nikkonen , Juha Töyräs , Antti Kulkas , Ludger Grote , Jan Hedner , Reijo Sund , Harald Hrubos-Strom , Jose M Saavedra , Kristín Anna Ólafsdóttir , Jón S Ágústsson , Philip I Terrill , Walter T McNicholas , Erna Sif Arnardóttir , Timo Leppänen , Auteur inconnu

Power spectral analysis of the sleep electroencephalogram in positional obstructive sleep apnea.

Sleep medicine

Avec: Brett Duce , Antti Kulkas , Arie Oksenberg , Juha Töyräs , Craig Hukins

Réseau de co-auteurs

Juha Töyräs 14 collaborations

Timo Leppänen 12 collaborations

Samu Kainulainen 12 collaborations

Brett Duce 10 collaborations

Henri Korkalainen 10 collaborations

Sami Nikkonen 7 collaborations

Sami Myllymaa 5 collaborations

Saara Sillanmäki 5 collaborations

Arie Oksenberg 4 collaborations

Jukka A Lipponen 3 collaborations

Akseli Leino 3 collaborations

Aaron Suni 3 collaborations

Serajeddin Ebrahimian 2 collaborations

Salla Hietakoste 2 collaborations

Laura Kalevo 2 collaborations

Erna S Arnardottir 2 collaborations

Henna Pitkanen 2 collaborations

Timo Leppanen 2 collaborations

Juha Toyras 2 collaborations

Ludger Grote 2 collaborations

Craig Hukins 2 collaborations

Tuomas Karhu 1 collaboration

Diego R Mazzotti 1 collaboration

Isaac O Afara 1 collaboration

Natan Gadoth 1 collaboration

Esa Mervaala 1 collaboration

T Leppänen 1 collaboration

A Kulkas 1 collaboration

J Töyräs 1 collaboration

S Myllymaa 1 collaboration

N Gadoth 1 collaboration

A Oksenberg 1 collaboration

Sandra Sefa 1 collaboration

Riku Huttunen 1 collaboration

Juha Seppä 1 collaboration

Raquel Bailon 1 collaboration

David Hernando 1 collaboration

Carolina Lombardi 1 collaboration

Maria R Bonsignore 1 collaboration

Tarja Saaresranta 1 collaboration

Jean-Louis Pépin 1 collaboration

Marika Rissanen 1 collaboration

Saara Sillanmaki 1 collaboration

Philip Terrill 1 collaboration

Anna Sigridur Islind 1 collaboration

María Óskarsdóttir 1 collaboration

Christian Strassberger 1 collaboration

Jan Hedner 1 collaboration

Reijo Sund 1 collaboration

Harald Hrubos-Strom 1 collaboration

Jose M Saavedra 1 collaboration

Kristín Anna Ólafsdóttir 1 collaboration

Jón S Ágústsson 1 collaboration

Philip I Terrill 1 collaboration

Walter T McNicholas 1 collaboration

Erna Sif Arnardóttir 1 collaboration

None None 1 collaboration