Works by Viik, Jari

Results: 36

Regional impedance pneumography heterogeneity during airway opening pressure chirp oscillations.

Published in:

International Journal of Bioelectromagnetism, 2015, v. 17, n. 1, p. 42

By:

Gracia, Javier;
Seppä, Ville-Pekka;
Viik, Jari

Publication type:

Article

A Quantitative Method for Monitoring Wound Healing.

Published in:

International Journal of Bioelectromagnetism, 2015, v. 17, n. 1, p. 36

By:

Kekonen, Atte;
Bergelin, Mikael;
Eriksson, Jan-Erik;
Ylänen, Heimo;
Viik, Jari

Publication type:

Article

Combination of low blood pressure response, low exercise capacity and slow heart rate recovery during an exercise test significantly increases mortality risk.

Published in:

Annals of Medicine, 2019, v. 51, n. 7/8, p. 390, doi. 10.1080/07853890.2019.1684550

By:

Sipilä, Kalle;
Tikkakoski, Antti;
Alanko, Sanni;
Haarala, Atte;
Hernesniemi, Jussi;
Lyytikäinen, Leo-Pekka;
Viik, Jari;
Lehtimäki, Terho;
Nieminen, Tuomo;
Nikus, Kjell;
Kähönen, Mika

Publication type:

Article

Novel electrode configuration for highly linear impedance pneumography.

Published in:

Biomedical Engineering / Biomedizinische Technik, 2013, v. 58, n. 1, p. 35, doi. 10.1515/bmt-2012-0068

By:

Seppä, Ville-Pekka;
Hyttinen, Jari;
Uitto, Marko;
Chrapek, Wojciech;
Viik, Jari

Publication type:

Article

Perceived Mental Stress and Reactions in Heart Rate Variability—A Pilot Study Among Employees of an Electronics Company.

Published in:

International Journal of Occupational Safety & Ergonomics, 2008, v. 14, n. 3, p. 275, doi. 10.1080/10803548.2008.11076767

By:

Orsila, Reetta;
Virtanen, Matti;
Luukkaala, Tiina;
Tarvainen, Mika;
Karjalainen, Pasi;
Viik, Jari;
Savinainen, Minna;
Nygård, Clas-Håkan

Publication type:

Article

The Finnish Cardiovascular Study (FINCAVAS): characterising patients with high risk of cardiovascular morbidity and mortality.

Published in:

BMC Cardiovascular Disorders, 2006, v. 6, p. 9, doi. 10.1186/1471-2261-6-9

By:

Nieminen, Tuomo;
Lehtinen, Rami;
Viik, Jari;
Lehtimäki, Terho;
Niemel&#x00E, Kari;
Nikus, Kjell;
Niemi, Mari;
Kallio, Janne;
Kööbi, Tiit;
Turjanmaa, Väinö;
Kähönen, Mika

Publication type:

Article

Sympathetic activity-associated periodic repolarization dynamics predict mortality following myocardial infarction.

Published in:

2014

By:

Rizas, Konstantinos D;
Nieminen, Tuomo;
Barthel, Petra;
Zürn, Christine S;
Kähönen, Mika;
Viik, Jari;
Lehtimäki, Terho;
Nikus, Kjell;
Eick, Christian;
Greiner, Tim O;
Wendel, Hans P;
Seizer, Peter;
Schreieck, Jürgen;
Gawaz, Meinrad;
Schmidt, Georg;
Bauer, Axel

Publication type:

journal article

Sympathetic activity--associated periodic repolarization dynamics predict mortality following myocardial infarction.

Published in:

Journal of Clinical Investigation, 2014, v. 124, n. 4, p. 1770, doi. 10.1172/JCI70085

By:

Rizas, Konstantinos D.;
Nieminen, Tuomo;
Barthel, Petra;
Zürn, Christine S.;
Kähönen, Mika;
Viik, Jari;
Lehtimäki, Terho;
Nikus, Kjell;
Eick, Christian;
Greiner, Tim O.;
Wendel, Hans P.;
Seizer, Peter;
Schreieck, Jürgen;
Gawaz, Meinrad;
Schmidt, Georg;
Bauer, Axel

Publication type:

Article

Increased Cardiac Workload in the Upright Posture in Men: Noninvasive Hemodynamics in Men Versus Women.

Published in:

2016

By:

Kangas, Pauliina;
Tahvanainen, Anna;
Tikkakoski, Antti;
Koskela, Jenni;
Uitto, Marko;
Viik, Jari;
Kähönen, Mika;
Kööbi, Tiit;
Mustonen, Jukka;
Pörsti, Ilkka

Publication type:

journal article

Age and Gender Biases in Secondary Prevention of Coronary Heart Disease in a Finnish University Hospital Setting.

Published in:

Clinical Drug Investigation, 2007, v. 27, n. 10, p. 673, doi. 10.2165/00044011-200727100-00002

By:

Michou, Sanna-Maria;
Kähönen, Mika;
Lehtimäki, Terho;
Nikus, Kjell;
Viik, Jari;
Niemelä, Kari;
Kallio, Janne;
Lehtinen, Rami;
Kööbi, Tiit;
Turjanmaa, Väinö;
Nieminen, Tuomo

Publication type:

Article

Allelic variant of NOS1AP effects on cardiac alternans of repolarization during exercise testing.

Published in:

Scandinavian Journal of Clinical & Laboratory Investigation, 2012, v. 72, n. 2, p. 100, doi. 10.3109/00365513.2011.638725

By:

Koskela, Jenni;
Kähönen, Mika;
Nieminen, Tuomo;
Lehtinen, Rami;
Viik, Jari;
Nikus, Kjell;
Niemelä, Kari;
Kööbi, Tiit;
Tobin, Martin D.;
Samani, Nilesh J.;
Turjanmaa, Väinö;
Pörsti, Ilkka;
Lehtimäki, Terho

Publication type:

Article

Increased cardiac workload in the upright posture in male subjects: non-invasive hemodynamics in men versus women.

Published in:

Artery Research, 2016, v. 16, p. 56, doi. 10.1016/j.artres.2016.10.027

By:

Kangas, Pauliina;
Tahvanainen, Anna;
Tikkakoski, Antti;
Koskela, Jenni;
Uitto, Marko;
Viik, Jari;
Kahonen, Mika;
Koobi, Tiit;
Jukka Mustonen, Emeritus;
Porsti, Ilkka

Publication type:

Article

Gender and effects of a common genetic variant in the NOS1 regulator NOS1AP on cardiac repolarization in 3761 individuals from two independent populations.

Published in:

International Journal of Epidemiology, 2008, v. 37, n. 5, p. 1132, doi. 10.1093/ije/dyn091

By:

Martin D Tobin;
Mika Kähönen;
Peter Braund;
Tuomo Nieminen;
Cother Hajat;
Maciej Tomaszewski;
Jari Viik;
Rami Lehtinen;
G Andre Ng;
Peter W Macfarlane;
Paul R Burton;
Terho Lehtimäki;
Nilesh J Samani

Publication type:

Article

QRS-T morphology measured from exercise electrocardiogram as a predictor of cardiac mortality.

Published in:

EP: Europace, 2011, v. 13, n. 5, p. 701, doi. 10.1093/europace/euq461

By:

Kenttä, Tuomas;
Karsikas, Mari;
Junttila, M. Juhani;
Perkiömäki, Juha S.;
Seppänen, Tapio;
Kiviniemi, Antti;
Nieminen, Tuomo;
Lehtimäki, Terho;
Nikus, Kjell;
Lehtinen, Rami;
Viik, Jari;
Kähönen, Mika;
Huikuri, Heikki V.

Publication type:

Article

Best Electrode Locations for a Small Bipolar ECG Device: Signal Strength Analysis of Clinical Data.

Published in:

Annals of Biomedical Engineering, 2009, v. 37, n. 2, p. 331, doi. 10.1007/s10439-008-9604-y

By:

Merja Puurtinen;
Jari Viik;
Jari Hyttinen

Publication type:

Article

To the Editor:.

Published in:

2009

By:

Minkkinen, Mikko;
Kähönen, Mika;
Viik, Jari;
Nikus, Kjell;
Lehtimäki, Terho;
Lehtinen, Rami;
Kööbi, Tiit;
Turjanmaa, Väinö;
Kaiser, Willi;
Verrier, Richard L.;
Nieminen, Tuomo

Publication type:

Letter

Enhanced Predictive Power of Quantitative TWA during Routine Exercise Testing in the Finnish Cardiovascular Study.

Published in:

Journal of Cardiovascular Electrophysiology, 2009, v. 20, n. 4, p. 408, doi. 10.1111/j.1540-8167.2008.01325.x

By:

MINKKINEN, MIKKO;
KÄHÖNEN, MIKA;
VIIK, JARI;
NIKUS, KJELL;
LEHTIMÄKI, TERHO;
LEHTINEN, RAMI;
KÖÖBI, TIIT;
TURJANMAA, VÄINÖ;
KAISER, WILLI;
VERRIER, RICHARD L.;
NIEMINEN, TUOMO

Publication type:

Article

Effect of heart rate correction on pre- and post-exercise heart rate variability to predict risk of mortality-an experimental study on the FINCAVAS cohort.

Published in:

Frontiers in Physiology, 2014, v. 5, p. 1, doi. 10.3389/fphys.2014.00208

By:

Pradhapan, Paruthi;
Tarvainen, Mika P.;
Nieminen, Tuomo;
Lehtinen, Rami;
Nikus, Kjell;
Lehtimäki, Terho;
Kähönen, Mika;
Viik, Jari

Publication type:

Article

Heart rate variability changes at 2400 m altitude predicts acute mountain sickness on further ascent at 3000-4300 m altitudes.

Published in:

Frontiers in Physiology, 2012, v. 3, p. 1, doi. 10.3389/fphys.2012.00336

By:

Karinen, Heikki M.;
Uusitalo, Arja;
Vähä-Ypyä, Henri;
Kähönen, Mika;
Peltonen, Juha E.;
Stein, Phyllis K.;
Viik, Jari;
Tikkanen, Heikki O.

Publication type:

Article

Heart rate variability changes at 2400 m altitude predicts acute mountain sickness on further ascent at 3000-4300 m altitudes.

Published in:

Frontiers in Physiology, 2012, v. 3, p. 1, doi. 10.3389/fphys.2012.00336

By:

Karinen, Heikki M.;
Uusitalo, Arja;
Vähä-Ypyä, Henri;
Kähönen, Mika;
Peltonen, Juha E.;
Stein, Phyllis K.;
Viik, Jari;
Tikkanen, Heikki O.

Publication type:

Article

The type of the functional cardiovascular response to upright posture is associated with arterial stiffness: a cross-sectional study in 470 volunteers.

Published in:

2016

By:

Tahvanainen, Anna M.;
Tikkakoski, Antti J.;
Koskela, Jenni K.;
Nordhausen, Klaus;
Viitala, Jani M.;
Leskinen, Miia H.;
Kähönen, Mika A. P.;
Kööbi, Tiit;
Uitto, Marko T.;
Viik, Jari;
Mustonen, Jukka T.;
Pörsti, Ilkka H.

Publication type:

journal article

Metabolic syndrome is associated with decreased heart rate variability in a sex‐dependent manner: a comparison between 252 men and 249 women.

Published in:

Clinical Physiology & Functional Imaging, 2019, v. 39, n. 2, p. 160, doi. 10.1111/cpf.12551

By:

Kangas, Pauliina;
Tikkakoski, Antti;
Uitto, Marko;
Viik, Jari;
Bouquin, Heidi;
Niemelä, Onni;
Mustonen, Jukka;
Pörsti, Ilkka

Publication type:

Article

Femoral neck cross-sectional geometry and exercise loading.

Published in:

Clinical Physiology & Functional Imaging, 2013, v. 33, n. 4, p. 258, doi. 10.1111/cpf.12022

By:

Narra, Nathaniel;
Nikander, Riku;
Viik, Jari;
Hyttinen, Jari;
Sievänen, Harri

Publication type:

Article

Value of leads V4R and CM5 in the detection of coronary artery disease during exercise electrocardiographic test.

Published in:

Clinical Physiology & Functional Imaging, 2010, v. 30, n. 4, p. 308, doi. 10.1111/j.1475-097X.2010.00942.x

By:

Puurtinen, Merja;
Nieminen, Tuomo;
Kähönen, Mika;
Lehtimäki, Terho;
Lehtinen, Rami;
Nikus, Kjell;
Hyttinen, Jari;
Viik, Jari

Publication type:

Article

Short and longer term repeatability of ballistocardiography in a sitting position with EMFi sensor.

Published in:

Medical & Biological Engineering & Computing, 2011, v. 49, n. 8, p. 881, doi. 10.1007/s11517-011-0746-y

By:

Alametsä, Jarmo;
Palomäki, Ari;
Viik, Jari

Publication type:

Article

Evaluation of the QRS score for diagnosing coronary artery disease in women: A Finnish cardiovascular study.

Published in:

Annals of Noninvasive Electrocardiology, 2022, v. 27, n. 4, p. 1, doi. 10.1111/anec.12968

By:

Beyene, Serkalem D.;
Nikus, Kjell C.;
Lehtimäki, Terho J.;
Kähönen, Mika A. P.;
Viik, Jari J.

Publication type:

Article

Effects of Using Guided Deep Breathing Exercises in a Virtual Natural Environment to Reduce Stress during Pediatric Treatment.

Published in:

Healthcare (2227-9032), 2023, v. 11, n. 24, p. 3140, doi. 10.3390/healthcare11243140

By:

Jyskä, Ilmari;
Turunen, Markku;
Chaychi Maleki, Arash;
Karppa, Elina;
Palmu, Sauli;
Viik, Jari;
Mäkelä, John;
Puura, Kaija

Publication type:

Article

Cardiomyocyte MEA Data Analysis (CardioMDA) – A Novel Field Potential Data Analysis Software for Pluripotent Stem Cell Derived Cardiomyocytes.

Published in:

PLoS ONE, 2013, v. 8, n. 9, p. 1, doi. 10.1371/journal.pone.0073637

By:

Pradhapan, Paruthi;
Kuusela, Jukka;
Viik, Jari;
Aalto-Setälä, Katriina;
Hyttinen, Jari

Publication type:

Article

Resting heart rate predicts cardiac autonomic modulation during passive head-up tilt in subjects without cardiovascular diseases.

Published in:

Scandinavian Cardiovascular Journal, 2022, v. 56, n. 1, p. 138, doi. 10.1080/14017431.2022.2079713

By:

Koskela, Jenni K.;
Tahvanainen, Anna;
Tikkakoski, Antti J.;
Kangas, Pauliina;
Uitto, Marko;
Viik, Jari;
Kähönen, Mika;
Mustonen, Jukka;
Pörsti, Ilkka

Publication type:

Article

Bioimpedance Sensor Array for Long-Term Monitoring of Wound Healing from Beneath the Primary Dressings and Controlled Formation of H2O2 Using Low-Intensity Direct Current.

Published in:

Sensors (14248220), 2019, v. 19, n. 11, p. 2505, doi. 10.3390/s19112505

By:

Kekonen, Atte;
Bergelin, Mikael;
Johansson, Max;
Kumar Joon, Narender;
Bobacka, Johan;
Viik, Jari

Publication type:

Article

IL-18 gene polymorphism, cardiovascular mortality and coronary artery disease.

Published in:

European Journal of Clinical Investigation, 2010, v. 40, n. 11, p. 994, doi. 10.1111/j.1365-2362.2010.02356.x

By:

Hernesniemi, Jussi A.;
Anttila, Kaisa;
Nieminen, Tuomo;
Kähönen, Mika;
Mononen, Nina;
Nikus, Kjell;
Turjanmaa, Väin;
Viik, Jari;
Lehtinen, Rami;
Lehtimäki, Terho

Publication type:

Article

Bioimpedance Measurement for Monitoring Chronic Wounds: A Systematic Review.

Published in:

International Wound Journal, 2025, v. 22, n. 6, p. 1, doi. 10.1111/iwj.70707

By:

Antoszewska, Magdalena;
Połomska, Katarzyna;
Spychalski, Piotr;
Kekonen, Atte;
Viik, Jari;
Barańska‐Rybak, Wioletta

Publication type:

Article

Bioimpedance sensor array for monitoring chronic wounds: Validation of method feasibility.

Published in:

International Wound Journal, 2024, v. 21, n. 8, p. 1, doi. 10.1111/iwj.14899

By:

Antoszewska, Magdalena;
Spychalski, Piotr;
Kekonen, Atte;
Viik, Jari;
Barańska‐Rybak, Wioletta

Publication type:

Article

Reduced expiratory variability index (EVI) is associated with controller medication withdrawal and symptoms in wheezy children aged 1‐5 years.

Published in:

Pediatric Allergy & Immunology, 2020, v. 31, n. 5, p. 489, doi. 10.1111/pai.13234

By:

Seppä, Ville‐Pekka;
Paassilta, Marita;
Kivistö, Juho;
Hult, Anton;
Viik, Jari;
Gracia‐Tabuenca, Javier;
Karjalainen, Jussi;
Kalaycı, Ömer

Publication type:

Article

Impaired exercise capacity predicts sudden cardiac death in a low-risk population: Enhanced specificity with heightened T-wave alternans.

Published in:

Annals of Medicine, 2009, v. 41, n. 5, p. 380, doi. 10.1080/07853890902802971

By:

Minkkinen, Mikko;
Nieminen, Tuomo;
Verrier, Richard L.;
Leino, Johanna;
Lehtimäki, Terho;
Viik, Jari;
Lehtinen, Rami;
Nikus, Kjell;
Kööbi, Tiit;
Turjanmaa, Väinö;
Kähönen, Mika

Publication type:

Article

Are some neutral liners more neutral than others? An ex vivo morphological analysis of acetabular liners classified as "neutral".

Published in:

Acta Orthopaedica, 2024, v. 95, p. 586, doi. 10.2340/17453674.2024.41946

By:

OCHOA, José Á.;
NEUVONEN, Perttu S.;
HYTTINEN, Jari;
VIIK, Jari;
ESKELINEN, Antti P.

Publication type:

Article