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Kari Niemelä

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Raffaele Bugiardini; Markku Eskola; Heini Huhtala; Pekka Karhunen; Olivia Manfrini; Rossella Miglio; Kari Niemelä; Carmine Pizzi; Kjell Nikus
Coronary revascularisation in stable patients after an acute coronary syndrome: a propensity analysis of early invasive versus conservative management in a register-based cohort study.
Kjell C Nikus; Samuel Sclarovsky; Heini Huhtala; Pekka Karhunen; Kari Niemelä; Markku J Eskola
Electrocardiographic presentation of global ischemia in acute coronary syndrome predicts poor outcome.
Jenni Koskela; Mika Kähönen; Tiit Kööbi; Rami Lehtinen; Kari Niemelä; Tuomo Nieminen; Kjell C Nikus; Ilkka Pörsti; Nilesh J Samani; Martin D Tobin; Väinö Turjanmaa; Jari Viik; Terho Lehtimäki
Allelic variant of NOS1AP effects on cardiac alternans of repolarization during exercise testing.

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All Publications

2013: Raffaele Bugiardini; Markku Eskola; Heini Huhtala; Pekka Karhunen; Olivia Manfrini; Rossella Miglio; Kari Niemelä; Carmine Pizzi; Kjell Nikus
Coronary revascularisation in stable patients after an acute coronary syndrome: a propensity analysis of early invasive versus conservative management in a register-based cohort study.
BMJ open 2013;3(4):.
2012: Kjell C Nikus; Samuel Sclarovsky; Heini Huhtala; Pekka Karhunen; Kari Niemelä; Markku J Eskola
Electrocardiographic presentation of global ischemia in acute coronary syndrome predicts poor outcome.
Annals of medicine 2012;44(5):494-502.
2012: Jenni Koskela; Mika Kähönen; Tiit Kööbi; Rami Lehtinen; Kari Niemelä; Tuomo Nieminen; Kjell C Nikus; Ilkka Pörsti; Nilesh J Samani; Martin D Tobin; Väinö Turjanmaa; Jari Viik; Terho Lehtimäki
Allelic variant of NOS1AP effects on cardiac alternans of repolarization during exercise testing.
Scandinavian journal of clinical and laboratory investigation 2012;72(2):100-7.
2010: Kati Svart; Rami Lehtinen; Tuomo Nieminen; Kjell C Nikus; Terho Lehtimäki; Tiit Kööbi; Kari Niemelä; Mari Niemi; Väinö Turjanmaa; Mika Kähönen; Jari Viik
Exercise electrocardiography detection of coronary artery disease by ST-segment depression/heart rate hysteresis in women: the Finnish Cardiovascular Study.
International journal of cardiology 2010;140(2):182-8.
2009: Markku J Eskola; Kjell C Nikus; Lene Holmvang; Samuel Sclarovsky; Hans-Henrik Tilsted; Heini Huhtala; Kari Niemelä; Peter Clemmensen
Value of the 12-lead electrocardiogram to define the level of obstruction in acute anterior wall myocardial infarction: correlation to coronary angiography and clinical outcome in the DANAMI-2 trial.
International journal of cardiology 2009;131(3):378-83.
2008: Tuomo Nieminen; J Leino; J Maanoja; Kjell C Nikus; Jari Viik; Terho Lehtimäki; T Kööbi; Rami Lehtinen; Kari Niemelä; Väinö Turjanmaa; Mika Kähönen
The prognostic value of haemodynamic parameters in the recovery phase of an exercise test. The Finnish Cardiovascular Study.
Journal of human hypertension 2008;22(8):537-43.
2008: J Koskela; J Laiho; Mika Kähönen; Riikka Rontu; Rami Lehtinen; Jari Viik; Mari Niemi; Kari Niemelä; T Kööbi; Väinö Turjanmaa; Ilkka Pörsti; Terho Lehtimäki; Tuomo Nieminen
Potassium channel KCNH2 K897T polymorphism and cardiac repolarization during exercise test: The Finnish Cardiovascular Study.
Scandinavian journal of clinical and laboratory investigation 2008;68(1):31-8.
2007: Markku J Eskola; Lene Holmvang; Kjell C Nikus; Samuel Sclarovsky; Hans-Henrik Tilsted; Heini Huhtala; Kari Niemelä; Peter Clemmensen
The electrocardiographic window of opportunity to treat vs. the different evolving stages of ST-elevation myocardial infarction: correlation with therapeutic approach, coronary anatomy, and outcome in the DANAMI-2 trial.
European heart journal 2007;28(24):2985-91.
2007: Markku J Eskola; Kjell C Nikus; Liisa-Maria Voipio-Pulkki; Heini Huhtala; Juha Lund; Tuomo Ilva; Kari Niemelä; Pekka Porela
Detection of proximal coronary occlusion in acute coronary syndrome: a feasibility study using computerized electrocardiographic analysis.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2007;12(4):301-5.
2007: Matti Virtanen; Mika Kähönen; Tuomo Nieminen; Pasi A Karjalainen; Mika P Tarvainen; Terho Lehtimäki; Rami Lehtinen; Kjell C Nikus; Tiit Kööbi; Mari Niemi; Kari Niemelä; Väinö Turjanmaa; Jaakko A Malmivuo; Jari Viik
Heart rate variability derived from exercise ECG in the detection of coronary artery disease.
Physiological measurement 2007;28(10):1189-200.
2007: Saila Vikman; K E Juhani Airaksinen; Ilkka Tierala; Keijo Peuhkurinen; Kirsi Majamaa-Voltti; Matti Niemelä; Sanna Asplund; Heini Huhtala; Kari Niemelä
Gender-related differences in the management of non-ST-elevation acute coronary syndrome patients.
Scandinavian cardiovascular journal : SCJ 2007;41(5):287-93.
2007: Tuomo Nieminen; Terho Lehtimäki; Jari Viik; Rami Lehtinen; Kjell C Nikus; Tiit Kööbi; Kari Niemelä; Väinö Turjanmaa; Willi Kaiser; Heini Huhtala; Richard L Verrier; Heikki V Huikuri; Mika Kähönen
T-wave alternans predicts mortality in a population undergoing a clinically indicated exercise test.
European heart journal 2007;28(19):2332-7.
2007: Sanna-Maria Michou; Mika Kähönen; Terho Lehtimäki; Kjell C Nikus; Jari Viik; Kari Niemelä; Janne Kallio; Rami Lehtinen; Tiit Kööbi; Väinö Turjanmaa; Tuomo Nieminen
Age and gender biases in secondary prevention of coronary heart disease in a Finnish university hospital setting.
Clinical drug investigation 2007;27(10):673-81.
2007: Kjell C Nikus; Markku J Eskola; Vesa K Virtanen; Jarkko Harju; Heini Huhtala; Jussi Mikkelsson; Pekka J Karhunen; Kari Niemelä
Mortality of patients with acute coronary syndromes still remains high: a follow-up study of 1188 consecutive patients admitted to a university hospital.
Annals of medicine 2007;39(1):63-71.
2006: Jarkko A Harju; Markku J Eskola; Heini Huhtala; Kari Niemelä; Pekka J Karhunen; Kjell C Nikus
Recording lead V(4)R is associated to enhanced use of fibrinolytic therapy in acute myocardial infarction.
Journal of electrocardiology 2006;39(4):368.e1-5.
2006: Meng Fan; Mika Kähönen; Riikka Rontu; Rami Lehtinen; Jari Viik; Mari Niemi; Tuomo Nieminen; Kari Niemelä; Ilkka Pörsti; Tiit Kööbi; Väinö Turjanmaa; Terho Lehtimäki
The p22phox C242T gene polymorphism is associated with a reduced risk of angiographically verified coronary artery disease in a high-risk Finnish Caucasian population. The Finnish Cardiovascular Study.
American heart journal 2006;152(3):538-42.
2006: Kari Niemelä
Comeback for glycoprotein IIb/IIIa inhibitors during percutaneous coronary interventions for saphenous vein bypass grafts: may be for distal protection with filter-based devices?
European heart journal 2006;27(8):891-2.
2006: Tuomo Nieminen; Terho Lehtimäki; Jarno Laiho; Riikka Rontu; Kari Niemelä; Tiit Kööbi; Rami Lehtinen; Jari Viik; Väinö Turjanmaa; Mika Kähönen
Effects of polymorphisms in beta1-adrenoceptor and alpha-subunit of G protein on heart rate and blood pressure during exercise test. The Finnish Cardiovascular Study.
Journal of applied physiology (Bethesda, Md. : 1985) 2006;100(2):507-11.
2006: Tuomo Nieminen; Rami Lehtinen; Jari Viik; Terho Lehtimäki; Kari Niemelä; Kjell C Nikus; Mari Niemi; Janne Kallio; Tiit Kööbi; Väinö Turjanmaa; Mika Kähönen
The Finnish Cardiovascular Study (FINCAVAS): characterising patients with high risk of cardiovascular morbidity and mortality.
BMC cardiovascular disorders 2006;6():9.
2005: Katriina Aalto-Setälä; Pekka J Karhunen; Jussi Mikkelsson; Kari Niemelä
The effect of glycoprotein IIIa PIA 1/A2 polymorphism on the PFA-100 response to GP IIb IIa receptor inhibitors-the importance of anticoagulants used.
Journal of thrombosis and thrombolysis 2005;20(1):57-63.
2005: Saila Vikman; Juhani Airaksinen; Ilkka Tierala; Keijo Peuhkurinen; Kirsi Majamaa-Voltti; Matti Niemelä; Helena Tuunanen; Kari Niemelä; Markku S Nieminen
[Treatment and care of coronary artery syndrome in Finland].
Duodecim; lääketieteellinen aikakauskirja 2005;121(7):753-9.
2005: Kjell C Nikus; Markku J Eskola; Kari Niemelä; Samuel Sclarovsky
Modern morphologic electrocardiographic interpretation--a valuable tool for rapid clinical decision making in acute ischemic coronary syndromes.
Journal of electrocardiology 2005;38(1):4-6.
2004: Markku J Eskola; Kjell C Nikus; Kari Niemelä; Samuel Sclarovsky
How to use ECG for decision support in the catheterization laboratory. Cases with inferior ST elevation myocardial infarction.
Journal of electrocardiology 2004;37(4):257-66.
2004: Kjell C Nikus; Markku J Eskola; Kari Niemelä; Samuel Sclarovsky
How to use ECG for decision support in the catheterization laboratory. Cases with ST-segment depression acute coronary syndrome.
Journal of electrocardiology 2004;37(4):247-55.
2004: Saila Vikman; K E Juhani Airaksinen; Ilkka Tierala; Keijo Peuhkurinen; Kirsi Majamaa-Voltti; Matti Niemelä; Helena Tuunanen; Markku S Nieminen; Kari Niemelä
Improved adherence to practice guidelines yields better outcome in high-risk patients with acute coronary syndrome without ST elevation: findings from nationwide FINACS studies.
Journal of internal medicine 2004;256(4):316-23.
2004: Kjell C Nikus; Markku J Eskola; Vesa K Virtanen; Saila Vikman; Kari Niemelä; Heini Huhtala; Samuel Sclarovsky
ST-depression with negative T waves in leads V4-V5--a marker of severe coronary artery disease in non-ST elevation acute coronary syndrome: a prospective study of Angina at rest, with troponin, clinical, electrocardiographic, and angiographic correlation.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 2004;9(3):207-14.
2004: Jussi Mikkelsson; Markku J Eskola; Kjell C Nikus; Kari Pietilä; Pekka J Karhunen; Kari Niemelä
Fatality of myocardial infarction in relation to the coronary anatomy: role of culprit lesion location.
Annals of medicine 2004;36(6):474-9.
2003: Saila Vikman; K E Juhani Airaksinen; Keijo Peuhkurinen; Ilkka Tierala; Kirsi Majamaa-Voltti; Matti Niemelä; Kari Niemelä
Gap between guidelines and management of patients with acute coronary syndrome without persistent ST elevation. Finnish prospective follow-up survey.
Scandinavian cardiovascular journal : SCJ 2003;37(4):187-92.
2003: Kari Niemelä; Saila Vikman
Early invasive therapy of non ST-elevation acute coronary syndromes--combined with upstream antiplatelet therapy: yes--but how early?
European heart journal 2003;24(15):1383-4.
2003: Saila Vikman; Kari Niemelä; Tuomo Ilva; Kirsi Majamaa-Voltti; Matti Niemelä; Keijo Peuhkurinen; Ilkka Tierala; K E Juhani Airaksinen
Underuse of evidence-based treatment modalities in diabetic patients with non-ST elevation acute coronary syndrome. A prospective nation wide study on acute coronary syndrome (FINACS).
Diabetes research and clinical practice 2003;61(1):39-48.
2003: Saila Vikman; Juhani Airaksinen; Keijo Peuhkurinen; Ilkka Tierala; Kirsi Majamaa-Voltti; Matti Niemelä; Kari Niemelä
[Treatment of acute coronary syndrome in Finland].
Duodecim; lääketieteellinen aikakauskirja 2003;119(14):1313-20.
2003: Kari Niemelä; Saila Vikman; Ilkka Tierala; Juhani Airaksinen
[New challenges in diagnostics and therapy of acute coronary syndromes].
Duodecim; lääketieteellinen aikakauskirja 2003;119(5):369-71.
2002: Markku J Eskola; Kari Niemelä; P R Kuusinen; Matti R Tarkka
Coronary artery dissection, combined aortic valve replacement and coronary bypass grafting in osteogenesis imperfecta.
Interactive cardiovascular and thoracic surgery 2002;1(2):83-5.
2000: Erkki Pehkonen; Seppo Seppänen; Kari Niemelä; Silja Majahalme
Radial artery graft inflow from the undetached, unharvested RIMA: a method to avoid proximal anastomosis to the aorta in CABG surgery.
European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2000;18(6):717-9.
1999: Heikki V Huikuri; Vesa Jokinen; Mikko Syvänne; Markku S Nieminen; K E Juhani Airaksinen; Markku Ikäheimo; Juhani Koistinen; Heikki Kauma; Antero Kesäniemi; Silja Majahalme; Kari Niemelä; M Heikki Frick
Heart rate variability and progression of coronary atherosclerosis.
Arteriosclerosis, thrombosis, and vascular biology 1999;19(8):1979-85.
1998: Jari Viik; Rami Lehtinen; Väinö Turjanmaa; Kari Niemelä; Jaakko A Malmivuo
Correct utilization of exercise electrocardiographic leads in differentiation of men with coronary artery disease from patients with a low likelihood of coronary artery disease using peak exercise ST-segment depression.
The American journal of cardiology 1998;81(8):964-9.
1997: Rami Lehtinen; H Sievänen; Väinö Turjanmaa; Kari Niemelä; Jaakko A Malmivuo
Effect of ST segment measurement point on performance of exercise ECG analysis.
International journal of cardiology 1997;61(3):239-45.
1997: Jari Viik; Rami Lehtinen; Väinö Turjanmaa; Kari Niemelä; Jaakko A Malmivuo
The effect of lead selection on traditional and heart rate-adjusted ST segment analysis in the detection of coronary artery disease during exercise testing.
American heart journal 1997;134(3):488-94.
1996: Rami Lehtinen; H Sievänen; Jari Viik; Väinö Turjanmaa; Kari Niemelä; Jaakko A Malmivuo
Accurate detection of coronary artery disease by integrated analysis of the ST-segment depression/heart rate patterns during the exercise and recovery phases of the exercise electrocardiography test.
The American journal of cardiology 1996;78(9):1002-6.
1994: M Walamies; Kari Niemelä; Väinö Turjanmaa; MO Koskinen
Fatty acid exercise scintigraphy after percutaneous transluminal coronary angioplasty.
Clinical physiology (Oxford, England) 1994;14(6):655-69.
1994: M Walamies; MO Koskinen; AJ Uusitalo; Kari Niemelä
Inhomogeneous exercise uptake and accelerated washout of a radioiodinated fatty acid analogue in syndrome X. A SPECT study of the left ventricle.
International journal of cardiac imaging 1994;10(2):123-9.
1994: Rami Lehtinen; H Sievänen; AJ Uusitalo; Kari Niemelä; Väinö Turjanmaa; Jaakko A Malmivuo
Performance characteristics of various exercise ECG classifiers in different clinical populations.
Journal of electrocardiology 1994;27(1):11-22.
1994: O Teerenhovi; Erkki Pehkonen; Matti Tarkka; O Helve; Kari Niemelä; Väinö Turjanmaa
Inferior epigastric artery as a conduit for myocardial revascularization.
Scandinavian journal of thoracic and cardiovascular surgery 1994;28(1):1-4.