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Jyri Toikka

Research Profile

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Finland

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Tuomas O Kiviniemi; Juhani Knuuti; Juha W Koskenvuo; Subhadeep Paul; Tero Aittokallio; Jaakko J Hartiala; Sirpa Jalkanen; Tuula Janatuinen; Tapani Rönnemaa; Jyri O Toikka; Gennady G Yegutkin; Olli T Raitakari
Pravastatin-induced improvement in coronary reactivity and circulating ATP and ADP levels in young adults with type 1 diabetes.
Tuomas O Kiviniemi; Antti Saraste; Terho Lehtimäki; Jyri O Toikka; Markku Saraste; Olli T Raitakari; Jaakko Hartiala; Jorma Viikari; Juha W Koskenvuo
Decreased endothelin-1 levels after acute consumption of red wine and de-alcoholized red wine.
Tuomas O Kiviniemi; Antti Saraste; Terho Lehtimäki; Jyri O Toikka; Markku Saraste; Olli T Raitakari; Jussi P Pärkkä; Jaakko Hartiala; Jorma Viikari; Juha W Koskenvuo
High dose of red wine elicits enhanced inhibition of fibrinolysis.

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All Publications

2012: Tuomas O Kiviniemi; Juhani Knuuti; Juha W Koskenvuo; Subhadeep Paul; Tero Aittokallio; Jaakko J Hartiala; Sirpa Jalkanen; Tuula Janatuinen; Tapani Rönnemaa; Jyri O Toikka; Gennady G Yegutkin; Olli T Raitakari
Pravastatin-induced improvement in coronary reactivity and circulating ATP and ADP levels in young adults with type 1 diabetes.
Frontiers in physiology 2012;3():338.
2010: Tuomas O Kiviniemi; Antti Saraste; Terho Lehtimäki; Jyri O Toikka; Markku Saraste; Olli T Raitakari; Jaakko Hartiala; Jorma Viikari; Juha W Koskenvuo
Decreased endothelin-1 levels after acute consumption of red wine and de-alcoholized red wine.
Atherosclerosis 2010;211(1):283-6.
2009: Tuomas O Kiviniemi; Antti Saraste; Terho Lehtimäki; Jyri O Toikka; Markku Saraste; Olli T Raitakari; Jussi P Pärkkä; Jaakko Hartiala; Jorma Viikari; Juha W Koskenvuo
High dose of red wine elicits enhanced inhibition of fibrinolysis.
European journal of cardiovascular prevention and rehabilitation : official journal of the European Society of Cardiology, Working Groups on Epidemiology & Prevention and Cardiac Rehabilitation and Exercise Physiology 2009;16(2):161-3.
2008: Jenni Aittokallio; Olli Polo; Jukka Hiissa; Arho Virkki; Jyri O Toikka; Olli Raitakari; Tarja Saaresranta; Tero Aittokallio
Overnight variability in transcutaneous carbon dioxide predicts vascular impairment in women.
Experimental physiology 2008;93(7):880-91.
2008: Tuomas O Kiviniemi; Antti Saraste; Jyri O Toikka; Markku Saraste; Olli T Raitakari; Jussi P Pärkkä; Terho Lehtimäki; Jaakko J Hartiala; Jorma Viikari; Juha W Koskenvuo
Effects of cognac on coronary flow reserve and plasma antioxidant status in healthy young men.
Cardiovascular ultrasound 2008;6():25.
2007: Tuomas O Kiviniemi; Antti Saraste; Jyri O Toikka; Markku Saraste; Olli T Raitakari; Jussi P Pärkkä; Terho Lehtimäki; Jaakko Hartiala; Jorma Viikari; Juha W Koskenvuo
A moderate dose of red wine, but not de-alcoholized red wine increases coronary flow reserve.
Atherosclerosis 2007;195(2):e176-81.
2007: Helena Tuunanen; Johanna Kuusisto; Jyri O Toikka; Pertti Jääskeläinen; Päivi Marjamäki; Keijo Peuhkurinen; Tapio Viljanen; Petri Sipola; Kira Q Stolen; Jarna C Hannukainen; Pirjo Nuutila; Markku Laakso; Juhani Knuuti
Myocardial perfusion, oxidative metabolism, and free fatty acid uptake in patients with hypertrophic cardiomyopathy attributable to the Asp175Asn mutation in the alpha-tropomyosin gene: a positron emission tomography study.
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology 2007;14(3):354-65.
2007: Jarna C Hannukainen; Tuula Janatuinen; Jyri O Toikka; Mikko J Järvisalo; Olli Heinonen; Jukka Kapanen; Kjell Någren; Pirjo Nuutila; Urho M Kujala; Jaakko Kaprio; Juhani Knuuti; Kari K Kalliokoski
Myocardial and peripheral vascular functional adaptation to exercise training.
Scandinavian journal of medicine & science in sports 2007;17(2):139-47.
2007: Antti Saraste; Juha W Koskenvuo; Markku Saraste; Jussi P Pärkkä; Jyri O Toikka; Alexandru Naum; Heikki Ukkonen; Juhani Knuuti; Juhani Airaksinen; Jaakko Hartiala
Coronary artery flow velocity profile measured by transthoracic Doppler echocardiography predicts myocardial viability after acute myocardial infarction.
Heart (British Cardiac Society) 2007;93(4):456-7.
2007: Tuomas O Kiviniemi; Jyri O Toikka; Juha W Koskenvuo; Antti Saraste; Markku Saraste; Jussi P Pärkkä; Olli T Raitakari; Jaakko Hartiala
Vasodilation of epicardial coronary artery can be measured with transthoracic echocardiography.
Ultrasound in medicine & biology 2007;33(3):362-70.
2006: Tuomas O Kiviniemi; Amir Snapir; Markku Saraste; Jyri O Toikka; Olli T Raitakari; Markku Ahotupa; Jaakko Hartiala; Mika Scheinin; Juha W Koskenvuo
Determinants of coronary flow velocity reserve in healthy young men.
American journal of physiology. Heart and circulatory physiology 2006;291(2):H564-9.
2006: Jussi P Pärkkä; Pekka Niemi; Antti Saraste; Juha W Koskenvuo; Markku Komu; Vesa Oikonen; Jyri O Toikka; Tuomas O Kiviniemi; Juhani Knuuti; Hajime Sakuma; Jaakko Hartiala
Comparison of MRI and positron emission tomography for measuring myocardial perfusion reserve in healthy humans.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2006;55(4):772-9.
2006: Riikka Lautamäki; K E Juhani Airaksinen; Marko Seppänen; Jyri O Toikka; Risto Härkönen; Matti Luotolahti; Ronald Borra; Jan Sundell; Juhani Knuuti; Pirjo Nuutila
Insulin improves myocardial blood flow in patients with type 2 diabetes and coronary artery disease.
Diabetes 2006;55(2):511-6.
2005: Riikka Lautamäki; K E Juhani Airaksinen; Marko Seppänen; Jyri O Toikka; Matti Luotolahti; Elizabeth Ball; Ronald Borra; Risto Härkönen; Patricia Iozzo; Murray Stewart; Juhani Knuuti; Pirjo Nuutila
Rosiglitazone improves myocardial glucose uptake in patients with type 2 diabetes and coronary artery disease: a 16-week randomized, double-blind, placebo-controlled study.
Diabetes 2005;54(9):2787-94.
2005: Jarna C Hannukainen; Urho M Kujala; Jyri O Toikka; Olli Heinonen; Jukka Kapanen; Tero Vahlberg; Jaakko Kaprio; Kari K Kalliokoski
Cardiac structure and function in monozygotic twin pairs discordant for physical fitness.
Journal of applied physiology (Bethesda, Md. : 1985) 2005;99(2):535-41.
2005: Markku Saraste; Risto K Vesalainen; Antti Ylitalo; Antti Saraste; Juha W Koskenvuo; Jyri O Toikka; Mari-Anne Vaittinen; Jaakko Hartiala; K E Juhani Airaksinen
Transthoracic Doppler echocardiography as a noninvasive tool to assess coronary artery stenoses--a comparison with quantitative coronary angiography.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2005;18(6):679-85.
2004: Tuula Janatuinen; Juhani Knuuti; Jyri O Toikka; Markku Ahotupa; Pirjo Nuutila; Tapani Rönnemaa; Olli T Raitakari
Effect of pravastatin on low-density lipoprotein oxidation and myocardial perfusion in young adults with type 1 diabetes.
Arteriosclerosis, thrombosis, and vascular biology 2004;24(7):1303-8.
2004: Mikko J Järvisalo; Maria Raitakari; Jyri O Toikka; Anne Putto-Laurila; Riikka Rontu; Seppo Laine; Terho Lehtimäki; Tapani Rönnemaa; Jorma Viikari; Olli T Raitakari
Endothelial dysfunction and increased arterial intima-media thickness in children with type 1 diabetes.
Circulation 2004;109(14):1750-5.
2004: Jan Sundell; Tuula Janatuinen; Tapani Rönnemaa; Olli T Raitakari; Jyri O Toikka; Pirjo Nuutila; Juhani Knuuti
Diabetic background retinopathy is associated with impaired coronary vasoreactivity in people with Type 1 diabetes.
Diabetologia 2004;47(4):725-31.
2004: Tuomas O Kiviniemi; Markku Saraste; Juha W Koskenvuo; K E Juhani Airaksinen; Jyri O Toikka; Antti Saraste; Jussi P Pärkkä; Jaakko Hartiala
Coronary artery diameter can be assessed reliably with transthoracic echocardiography.
American journal of physiology. Heart and circulatory physiology 2004;286(4):H1515-20.
2004: Jyri O Toikka; Juha W Koskenvuo
[Erectile dysfunction].
Duodecim; lääketieteellinen aikakauskirja 2004;120(18):2223, 2225.
2004: Kira Q Stolen; Jukka Kemppainen; Kari K Kalliokoski; Hannu Karanko; Jyri O Toikka; Tuula Janatuinen; Olli T Raitakari; K E Juhani Airaksinen; Pirjo Nuutila; Juhani Knuuti
Myocardial perfusion reserve and peripheral endothelial function in patients with idiopathic dilated cardiomyopathy.
The American journal of cardiology 2004;93(1):64-8.
2003: Amir Snapir; Juha W Koskenvuo; Jyri O Toikka; Marju Orho-Melander; Susanna Hinkka; Markku Saraste; Jaakko Hartiala; Mika Scheinin
Effects of common polymorphisms in the alpha1A-, alpha2B-, beta1- and beta2-adrenoreceptors on haemodynamic responses to adrenaline.
Clinical science (London, England : 1979) 2003;104(5):509-20.
2003: Juha W Koskenvuo; Markku Saraste; Pekka Niemi; Juhani Knuuti; Hajime Sakuma; Jyri O Toikka; Markku Komu; Mikko J Järvisalo; Jaakko Hartiala
Correlation of transthoracic Doppler echocardiography and magnetic resonance imaging in measuring left anterior descending artery flow velocity and time-course of dipyridamole-induced coronary flow increase.
Scandinavian journal of clinical and laboratory investigation 2003;63(1):65-72.
2002: Laura Jartti; Tapani Rönnemaa; Jaakko Kaprio; Mikko J Järvisalo; Jyri O Toikka; Jukka Marniemi; Niklas Hammar; L Alfredsson; M Saraste; Jaakko Hartiala; Markku Koskenvuo; Olli T Raitakari
Population-based twin study of the effects of migration from Finland to Sweden on endothelial function and intima-media thickness.
Arteriosclerosis, thrombosis, and vascular biology 2002;22(5):832-7.
2002: Jyri O Toikka; Pekka Niemi; Markku Ahotupa; Harri Niinikoski; Tapani Rönnemaa; Jorma S A Viikari; Jaakko Hartiala; Olli T Raitakari
Decreased large artery distensibility in borderline hypertension is related to increased in vivo low-density lipoprotein oxidation.
Scandinavian journal of clinical and laboratory investigation 2002;62(4):301-6.
2002: Laura Jartti; Olli T Raitakari; Jaakko Kaprio; Mikko J Järvisalo; Jyri O Toikka; Jukka Marniemi; Niklas Hammar; Matti Luotolahti; Markku Koskenvuo; Tapani Rönnemaa
Increased carotid intima-media thickness in men born in east Finland: a twin study of the effects of birthplace and migration to Sweden on subclinical atherosclerosis.
Annals of medicine 2002;34(3):162-70.
2001: Juha W Koskenvuo; Jaakko Hartiala; Juhani Knuuti; Hajime Sakuma; Jyri O Toikka; Markku Komu; Markku Saraste; Pekka Niemi
Assessing coronary sinus blood flow in patients with coronary artery disease: a comparison of phase-contrast MR imaging with positron emission tomography.
AJR. American journal of roentgenology 2001;177(5):1161-6.
2001: Olli T Raitakari; Jyri O Toikka; Hanna Laine; Markku Ahotupa; H Iida; Jorma S A Viikari; Jaakko Hartiala; Juhani Knuuti
Reduced myocardial flow reserve relates to increased carotid intima-media thickness in healthy young men.
Atherosclerosis 2001;156(2):469-75.
2001: Tommi Vasankari; Markku Ahotupa; Jyri O Toikka; J Mikkola; K Irjala; Paavo Pasanen; Kari Neuvonen; Olli T Raitakari; J Viikari
Oxidized LDL and thickness of carotid intima-media are associated with coronary atherosclerosis in middle-aged men: lower levels of oxidized LDL with statin therapy.
Atherosclerosis 2001;155(2):403-12.
2001: Juha W Koskenvuo; Hajime Sakuma; Pekka Niemi; Jyri O Toikka; Juhani Knuuti; Hanna Laine; Markku Komu; Martti Kormano; Markku Saraste; Jaakko Hartiala
Global myocardial blood flow and global flow reserve measurements by MRI and PET are comparable.
Journal of magnetic resonance imaging : JMRI 2001;13(3):361-6.
2001: Markku Saraste; Juha W Koskenvuo; Juhani Knuuti; Jyri O Toikka; Hanna Laine; Pekka Niemi; Hajime Sakuma; Jaakko Hartiala
Coronary flow reserve: measurement with transthoracic Doppler echocardiography is reproducible and comparable with positron emission tomography.
Clinical physiology (Oxford, England) 2001;21(1):114-22.
2000: Jyri O Toikka; Hanna Laine; Markku Ahotupa; A Haapanen; Jorma S A Viikari; Jaakko Hartiala; Olli T Raitakari
Increased arterial intima-media thickness and in vivo LDL oxidation in young men with borderline hypertension.
Hypertension 2000;36(6):929-33.
2000: Markku Saraste; Juha W Koskenvuo; J Mikkola; L Pelttari; Jyri O Toikka; Jaakko Hartiala
Technical achievement: transthoracic Doppler echocardiography can be used to detect LAD restenosis after coronary angioplasty.
Clinical physiology (Oxford, England) 2000;20(6):428-33.
2000: Mikko J Järvisalo; Laura Jartti; Jyri O Toikka; Jaakko Hartiala; Tapani Rönnemaa; Olli T Raitakari
Noninvasive assessment of brachial artery endothelial function with digital ultrasound and 13-MHz scanning frequency: feasibility of measuring the true inner luminal diameter using the intima-lumen interface.
Ultrasound in medicine & biology 2000;26(8):1257-60.
2000: Hajime Sakuma; Juha W Koskenvuo; Pekka Niemi; N Kawada; Jyri O Toikka; Juhani Knuuti; Hanna Laine; Markku Saraste; Martti Kormano; Jaakko Hartiala
Assessment of coronary flow reserve using fast velocity-encoded cine MR imaging: validation study using positron emission tomography.
AJR. American journal of roentgenology 2000;175(4):1029-33.
1999: Mikko J Järvisalo; Jyri O Toikka; Tommi Vasankari; J Mikkola; Jorma S A Viikari; Jaakko Hartiala; Olli T Raitakari
HMG CoA reductase inhibitors are related to improved systemic endothelial function in coronary artery disease.
Atherosclerosis 1999;147(2):237-42.
1999: Olli T Raitakari; Jyri O Toikka; Hanna Laine; J Viikari; Juhani Knuuti; Jaakko Hartiala
Reduced myocardial flow reserve does not impair exercise capacity in asymptomatic men.
The American journal of cardiology 1999;84(10):1253-5, A8.
1999: Jyri O Toikka; Markku Ahotupa; Jorma S A Viikari; Harri Niinikoski; M Taskinen; K Irjala; Jaakko Hartiala; Olli T Raitakari
Constantly low HDL-cholesterol concentration relates to endothelial dysfunction and increased in vivo LDL-oxidation in healthy young men.
Atherosclerosis 1999;147(1):133-8.
1999: Jyri O Toikka; Pekka Niemi; Markku Ahotupa; Harri Niinikoski; Jorma S A Viikari; Tapani Rönnemaa; Jaakko Hartiala; Olli T Raitakari
Large-artery elastic properties in young men : relationships to serum lipoproteins and oxidized low-density lipoproteins.
Arteriosclerosis, thrombosis, and vascular biology 1999;19(2):436-41.
1998: Jyri O Toikka; Juha Aalto; Jukka Häyrinen; Lauri J Pelliniemi; Jukka Finne
The polysialic acid units of the neural cell adhesion molecule N-CAM form filament bundle networks.
The Journal of biological chemistry 1998;273(44):28557-9.