Longer and Deeper Desaturations Are Associated With the Worsening of Mild Sleep Apnea: The Sleep Heart Health Study

by Tuomas Karhu, Tuomas Karhu, Sami Myllymaa, Sami Myllymaa, Sami Nikkonen, Sami Nikkonen, Diego R. Mazzotti, Juha Töyräs, Juha Töyräs, Juha Töyräs, Timo Leppänen, Timo Leppänen
Published 2021-04-01

An In-Laboratory Comparison of FocusBand EEG Device and Textile Electrodes Against a Medical-Grade System and Wet Gel Electrodes

by Matias Rusanen, Sami Myllymaa, Laura Kalevo, Katja Myllymaa, Juha Toyras, Timo Leppanen, Samu Kainulainen
Published 2021-01-01

Length of Individual Apnea Events Is Increased by Supine Position and Modulated by Severity of Obstructive Sleep Apnea

by Timo Leppänen, Juha Töyräs, Anu Muraja-Murro, Salla Kupari, Pekka Tiihonen, Esa Mervaala, Antti Kulkas
Published 2016-01-01

Improved Sweat Artifact Tolerance of Screen-Printed EEG Electrodes by Material Selection-Comparison of Electrochemical Properties in Artificial Sweat

by Laura Kalevo, Tomi Miettinen, Akseli Leino, Samu Kainulainen, Katja Myllymaa, Juha Toyras, Timo Leppanen, Sami Myllymaa
Published 2019-01-01

Longer apneas and hypopneas are associated with greater ultra-short-term HRV in obstructive sleep apnea

by Salla Hietakoste, Henri Korkalainen, Samu Kainulainen, Saara Sillanmäki, Sami Nikkonen, Sami Myllymaa, Brett Duce, Juha Töyräs, Timo Leppänen
Published 2020-12-01

Biomechanical, biochemical, and near infrared spectral data of bovine knee ligaments and patellar tendon

by Aapo Ristaniemi, Jari Torniainen, Tommi Paakkonen, Lauri Stenroth, Mikko A.J. Finnilä, Petri Tanska, Juha Töyräs, Rami K. Korhonen
Published 2021-06-01

Effect of Sweating on Electrode-Skin Contact Impedances and Artifacts in EEG Recordings With Various Screen-Printed Ag/Agcl Electrodes

by Laura Kalevo, Tomi Miettinen, Akseli Leino, Samu Kainulainen, Henri Korkalainen, Katja Myllymaa, Juha Toyras, Timo Leppanen, Tiina Laitinen, Sami Myllymaa
Published 2020-01-01

Increased nocturnal arterial pulsation frequencies of obstructive sleep apnoea patients is associated with an increased number of lapses in a psychomotor vigilance task

by Samu Kainulainen, Brett Duce, Henri Korkalainen, Akseli Leino, Riku Huttunen, Laura Kalevo, Erna S. Arnardottir, Antti Kulkas, Sami Myllymaa, Juha Töyräs, Timo Leppänen
Published 2020-11-01

Optical coherence tomography enables accurate measurement of equine cartilage thickness for determination of speed of sound

by Pia H Puhakka, Nikae C R te Moller, Petri Tanska, Simo Saarakkala, Virpi Tiitu, Rami K Korhonen, Harold Brommer, Tuomas Virén, Jukka S Jurvelin, Juha Töyräs
Published 2016-07-01

Quantitative dual contrast photon-counting computed tomography for assessment of articular cartilage health

by Petri Paakkari, Satu I. Inkinen, Miitu K. M. Honkanen, Mithilesh Prakash, Rubina Shaikh, Miika T. Nieminen, Mark W. Grinstaff, Janne T. A. Mäkelä, Juha Töyräs, Juuso T. J. Honkanen
Published 2021-03-01

Quantification of porcine myocardial perfusion with modified dual bolus MRI – a prospective study with a PET reference

by Minna Husso, Mikko J. Nissi, Antti Kuivanen, Paavo Halonen, Miikka Tarkia, Jarmo Teuho, Virva Saunavaara, Pauli Vainio, Petri Sipola, Hannu Manninen, Seppo Ylä-Herttuala, Juhani Knuuti, Juha Töyräs
Published 2019-07-01

Ultrasound Arthroscopy of Hip in Treatment of Osteochondritis Dissecans

by Antti Joukainen, M.D., Ph.D., Tuomas Virén, Ph.D., Pekko Penttilä, M.D., Jukka Liukkonen, Ph.D., Pia Henriikka Puhakka, Ph.D., Heikki Kröger, M.D., Ph.D., Juha Töyräs, Ph.D.
Published 2017-08-01

Diagnosis of Knee Osteochondral Lesions With Ultrasound Imaging

by Pekko Penttilä, M.D., Jukka Liukkonen, M.Sc., Antti Joukainen, M.D., Ph.D., Tuomas Virén, M.Sc., Ph.D., Jukka S. Jurvelin, Ph.D., Juha Töyräs, Ph.D., Heikki Kröger, M.D., Ph.D.
Published 2015-10-01