Search Results - "Toyras, Juha"

Characterization of connective tissues using near-infrared spectroscopy and imaging by Afara, Isaac O., Shaikh, Rubina, Nippolainen, Ervin, Querido, William, Torniainen, Jari, Sarin, Jaakko K., Kandel, Shital, Pleshko, Nancy, Töyräs, Juha

“…Near-infrared (NIR) spectroscopy is a powerful analytical method for rapid, non-destructive and label-free assessment of biological materials. Compared to…”
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Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea by Korkalainen, Henri, Aakko, Juhani, Duce, Brett, Kainulainen, Samu, Leino, Akseli, Nikkonen, Sami, Afara, Isaac O, Myllymaa, Sami, Töyräs, Juha, Leppänen, Timo

“…Abstract Study Objectives Accurate identification of sleep stages is essential in the diagnosis of sleep disorders (e.g. obstructive sleep apnea [OSA]) but…”
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Severity of Desaturations Reflects OSA-Related Daytime Sleepiness Better Than AHI by Kainulainen, Samu, Töyräs, Juha, Oksenberg, Arie, Korkalainen, Henri, Sefa, Sandra, Kulkas, Antti, Leppänen, Timo

“…The aim was to investigate how the severity of apneas, hypopneas, and related desaturations is associated with obstructive sleep apnea (OSA)-related daytime…”
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The Influence of Wearables on Health Care Outcomes in Chronic Disease: Systematic Review by Mattison, Graeme, Canfell, Oliver, rester, Doug, Dobbins, Chelsea, Smith, Daniel, Töyräs, Juha, Sullivan, Clair

“…Background Chronic diseases contribute to high rates of disability and mortality. Patient engagement in chronic disease self-management is an essential…”
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Severe desaturations increase psychomotor vigilance task-based median reaction time and number of lapses in obstructive sleep apnoea patients by Kainulainen, Samu, Duce, Brett, Korkalainen, Henri, Oksenberg, Arie, Leino, Akseli, Arnardottir, Erna S, Kulkas, Antti, Myllymaa, Sami, Töyräs, Juha, Leppänen, Timo

“…Current diagnostic parameters estimating obstructive sleep apnoea (OSA) severity have a poor connection to the psychomotor vigilance of OSA patients. Thus, we…”
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Tailored Synthesis of PEGylated Bismuth Nanoparticles for X‑ray Computed Tomography and Photothermal Therapy: One-Pot, Targeted Pyrolysis, and Self-Promotion by Xu, Wujun, Cui, Pang, Happonen, Emilia, Leppänen, Jukka, Liu, Lizhi, Rantanen, Jimi, Majda, Dorota, Saukko, Annina, Thapa, Rinez, Nissinen, Tuomo, Tynkkynen, Tuulia, Töyräs, Juha, Fan, Li, Liu, Wenchao, Lehto, Vesa-Pekka

“…Complex experimental design is a common problem in the preparation of theranostic nanoparticles, resulting in poor reaction control, expensive production cost,…”
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Automatic Respiratory Event Scoring in Obstructive Sleep Apnea Using a Long Short-Term Memory Neural Network by Nikkonen, Sami, Korkalainen, Henri, Leino, Akseli, Myllymaa, Sami, Duce, Brett, Leppanen, Timo, Toyras, Juha

“…The diagnosis of obstructive sleep apnea is based on daytime symptoms and the frequency of respiratory events during the night. The respiratory events are…”
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Quantitative susceptibility mapping of articular cartilage: Ex vivo findings at multiple orientations and following different degradation treatments by Nykänen, Olli, Rieppo, Lassi, Töyräs, Juha, Kolehmainen, Ville, Saarakkala, Simo, Shmueli, Karin, Nissi, Mikko J.

“…Purpose We investigated the feasibility of quantitative susceptibility mapping (QSM) for assessing degradation of articular cartilage by measuring ex vivo…”
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Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history by Ebrahimian, Serajeddin, Sillanmäki, Saara, Hietakoste, Salla, Duce, Brett, Kulkas, Antti, Töyräs, Juha, Leppänen, Timo, Lipponen, Jukka A, Kainulainen, Samu

“…Obstructive sleep apnea (OSA) is related to the progression of cardiovascular diseases (CVD); it is an independent risk factor for stroke and is also prevalent…”
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Increased Flow Limitation During Sleep Is Associated With Increased Psychomotor Vigilance Task Lapses in Individuals With Suspected OSA by Staykov, Eric, Mann, Dwayne L., Duce, Brett, Kainulainen, Samu, Leppänen, Timo, Töyräs, Juha, Azarbarzin, Ali, Georgeson, Thomas, Sands, Scott A., Terrill, Philip I.

“…Impaired daytime vigilance is an important consequence of OSA, but several studies have reported no association between objective measurements of vigilance and…”
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Near Infrared Spectroscopy Enables Differentiation of Mechanically and Enzymatically Induced Cartilage Injuries by Nippolainen, Ervin, Shaikh, Rubina, Virtanen, Vesa, Rieppo, Lassi, Saarakkala, Simo, Töyräs, Juha, Afara, Isaac O.

“…This study evaluates the feasibility of near infrared (NIR) spectroscopy to distinguish between different cartilage injury types associated with post-traumatic…”
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Longer and Deeper Desaturations Are Associated With the Worsening of Mild Sleep Apnea: The Sleep Heart Health Study by Karhu, Tuomas, Myllymaa, Sami, Nikkonen, Sami, Mazzotti, Diego R, Töyräs, Juha, Leppänen, Timo

“…Obesity, older age, and male sex are recognized risk factors for sleep apnea. However, it is unclear whether the severity of hypoxic burden, an essential…”
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Assessment of the suitability of using a forehead EEG electrode set and chin EMG electrodes for sleep staging in polysomnography by Myllymaa, Sami, Muraja‐Murro, Anu, Westeren‐Punnonen, Susanna, Hukkanen, Taina, Lappalainen, Reijo, Mervaala, Esa, Töyräs, Juha, Sipilä, Kirsi, Myllymaa, Katja

“…Summary Recently, a number of portable devices designed for full polysomnography at home have appeared. However, current scalp electrodes used for…”
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Rapid CT-based Estimation of Articular Cartilage Biomechanics in the Knee Joint Without Cartilage Segmentation by Mohammadi, Ali, Myller, Katariina A. H., Tanska, Petri, Hirvasniemi, Jukka, Saarakkala, Simo, Töyräs, Juha, Korhonen, Rami K., Mononen, Mika E.

“…Knee osteoarthritis (OA) is a painful joint disease, causing disabilities in daily activities. However, there is no known cure for OA, and the best treatment…”
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Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study by Staykov, Eric, Mann, Dwayne L, Leppänen, Timo, Töyräs, Juha, Kainulainen, Samu, Azarbarzin, Ali, Duce, Brett, Sands, Scott A, Terrill, Philip I

“…Key words: flow limitation; vigilance; response speed; sleepiness; ventilatory burden; apnea-hypopnea index; hypoxic burden; polysomnography; obstructive sleep…”
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Site-specific elastic and viscoelastic biomechanical properties of healthy and osteoarthritic human knee joint articular cartilage by Linus, Awuniji, Tanska, Petri, Nippolainen, Ervin, Tiitu, Virpi, Töyras, Juha, Korhonen, Rami K., Afara, Isaac O., Mononen, Mika E.

“…Articular cartilage exhibits site-specific biomechanical properties. However, no study has comprehensively characterized site-specific cartilage properties…”
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Acute cardiorespiratory coupling impairment in worsening sleep apnea-related intermittent hypoxemia by Hietakoste, Salla, Armanac-Julian, Pablo, Karhu, Tuomas, Bailon, Raquel, Sillanmaki, Saara, Toyras, Juha, Leppanen, Timo, Myllymaa, Sami, Kainulainen, Samu

“…Objective: Hypoxic load is one of the main characteristics of obstructive sleep apnea (OSA) contributing to sympathetic overdrive and weakened…”
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Obstructive sleep apnea‐related intermittent hypoxaemia is associated with impaired vigilance by Pahari, Purbanka, Korkalainen, Henri, Karhu, Tuomas, Rissanen, Marika, Arnardottir, Erna Sif, Hrubos‐Strøm, Harald, Duce, Brett, Töyräs, Juha, Leppänen, Timo, Nikkonen, Sami

“…Summary Obstructive sleep apnea (OSA)‐related intermittent hypoxaemia is a potential risk factor for different OSA comorbidities, for example cardiovascular…”
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Near-Infrared Spectroscopy for Mapping of Human Meniscus Biochemical Constituents by Ala-Myllymäki, Juho, Paakkonen, Tommi, Joukainen, Antti, Kröger, Heikki, Lehenkari, Petri, Töyräs, Juha, Afara, Isaac O.

“…Degenerative changes in meniscus are diagnosed during surgery by means of mechanical testing and visual evaluation. This method is qualitative and highly…”
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Obstructive Sleep Apnea Patients with Atrial Arrhythmias Suffer from Prolonged Recovery from Desaturations by Rissanen, Marika, Korkalainen, Henri, Duce, Brett, Sillanmaki, Saara, Pitkanen, Henna, Suni, Aaron, Nikkonen, Sami, Kulkas, Antti, Toyras, Juha, Leppanen, Timo, Kainulainen, Samu

“…Objective: We aimed to investigate how acute and long-term effects of atrial arrhythmias affect the desaturation severity and characteristics determined from…”
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