Salla Hietakoste
Visiting Researcher
Junior researcher and Ph.D. student in the field of obstructive sleep apnea
Department of Technical Physics, Faculty of Science, Forestry and Technology
Research groups
Publications
12/12 items-
Nocturnal short-term HRV reflects impaired daytime vigilance better than overnight HRV in suspected OSA patients
Hietakoste, Salla; Karhu, Tuomas; Lombardi, Carolina; Armañac-Julián, Pablo; Bailón, Raquel; Duce, Brett; Sillanmäki, Saara; Töyräs, Juha; Leppänen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2025. Sleep. 48: A1 Journal article (refereed), original research -
The interaction between comorbidities and sleep stages influences oxygen re‐saturation characteristics
Howarth, Timothy P; Hietakoste, Salla; Ebrahimian, Serajeddin; Rissanen, Marika; Kainulainen, Samu; Karhu, Tuomas. 2025. Journal of sleep research. [First published: 04 February 2025]: A1 Journal article (refereed), original research -
A comparative analysis of unsupervised machine‐learning methods in PSG‐related phenotyping
Ghorvei, Mohammadreza; Karhu, Tuomas; Hietakoste, Salla; Ferreira‐Santos, Daniela; Hrubos‐Strøm, Harald; Islind, Anna Sigridur; Biedebach, Luka; Nikkonen, Sami; Leppänen, Timo; Rusanen, Matias. 2024. Journal of sleep research. [First published: 24 October 2024]: 1-13 A1 Journal article (refereed), original research -
Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients
Ebrahimian, Serajeddin; Sillanmäki, Saara; Hietakoste, Salla; Kulkas, Antti; Töyräs, Juha; Bailón, Raquel; Hernando, David; Lombardi, Carolina; Grote, Ludger; Bonsignore, Maria R; Saaresranta, Tarja; Pépin, Jean-Louis; Leppänen, Timo; Kainulainen, Samu. 2024. American journal of physiology : heart and circulatory physiology. 326: H1094-H1104 A1 Journal article (refereed), original research -
Hypoxaemic load in sleep apnoea is associated with acute changes in T-wave amplitude
Sillanmäki, Saara; Ebrahimian, Serajeddin; Hietakoste, Salla; Hernando, David; Bailon, Raquel; Leppänen, Timo; Kainulainen, Samu. 2024. ERJ open research. 10: A1 Journal article (refereed), original research -
Nocturnal heart rate variability in obstructive sleep apnea: Novel digital biomarker for acutely increased cardiac workload
Hietakoste, Salla. 2024. Publications of the University of Eastern Finland. Dissertations in Science, Forestry and Technology G5 Doctoral dissertation (article) -
Worsening hypoxic load impairs cardiorespiratory coupling
Hietakoste, Salla; Armanac-Julian, Pablo; Karhu, Tuomas; Bailon, Raquel; Sillanmaki, Saara; Toyras, Juha; Leppanen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2024. abstract -
Acute cardiorespiratory coupling impairment in worsening sleep apnea-related intermittent hypoxemia
Hietakoste, Salla; Armanac-Julian, Pablo; Karhu, Tuomas; Bailon, Raquel; Sillanmäki, Saara; Töyräs, Juha; Leppänen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2023. IEEE transactions on biomedical engineering. 2024; 71: 326-333 A1 Journal article (refereed), original research -
Inter-sleep stage variations in corrected QT interval differ between obstructive sleep apnea patients with and without stroke history
Ebrahimian, Serajeddin; Sillanmäki, Saara; Hietakoste, Salla; Duce, Brett; Kulkas, Antti; Töyräs, Juha; Leppänen, Timo; Lipponen, Jukka A.; Kainulainen, Samu. 2022. PLoS ONE. 17: A1 Journal article (refereed), original research -
OSA-related respiratory events and desaturation severity are associated with the cardiac response
Hietakoste, Salla; Karhu, Tuomas; Sillanmäki, Saara; Bailón, Raquel; Penzel, Thomas; Töyräs, Juha; Leppänen, Timo; Myllymaa, Sami; Kainulainen, Samu. 2022. ERJ open research. 8: A1 Journal article (refereed), original research