Kjell Nikus

Summary

Affiliation: Helsinki University Central Hospital
Country: Finland

Publications

  1. pmc Updated electrocardiographic classification of acute coronary syndromes
    Kjell Nikus
    Heart Center, Tampere University Hospital Biokatu 6, 33520 Tampere, Finland
    Curr Cardiol Rev 10:229-36. 2014
  2. doi Report of the third International Society for Holter and Noninvasive Electrocardiology working group on improved electrocardiographic criteria for acute and chronic ischemic heart disease--Lund, Sweden: June 2010
    Kjell Nikus
    Department of Cardiology, Heart Center, Tampere University Hospital, Biokatu 6, Tampere, Finland
    J Electrocardiol 44:84-6. 2011
  3. doi Combined assessment of heart rate recovery and T-wave alternans during routine exercise testing improves prediction of total and cardiovascular mortality: the Finnish Cardiovascular Study
    Johanna Leino
    Medical School, University of Tampere, Tampere, Finland
    Heart Rhythm 6:1765-71. 2009
  4. doi Prevalence of ventricular conduction blocks in the resting electrocardiogram in a general population: the Health 2000 Survey
    Petri Haataja
    Heart Centre, Department of Cardiology, Tampere University Hospital, Finland
    Int J Cardiol 167:1953-60. 2013
  5. doi Prognostic implications of quantitative ST-segment characteristics and T-wave amplitude for cardiovascular mortality in a general population from the Health 2000 Survey
    Ismo Anttila
    Division of Internal Medicine, Department of Cardiology, Sein and x00E4 joki Central Hospital, Finland
    Ann Med 42:502-11. 2010
  6. doi Impaired exercise capacity predicts sudden cardiac death in a low-risk population: enhanced specificity with heightened T-wave alternans
    Mikko Minkkinen
    Medical School, University of Tampere, Tampere, Finland
    Ann Med 41:380-9. 2009
  7. doi Relation of positive T wave in lead aVR to risk of cardiovascular mortality
    Ismo Anttila
    Division of Internal Medicine, Department of Cardiology, Seinajoki Central Hospital, Finland
    Am J Cardiol 108:1735-40. 2011
  8. ncbi Value of leads V4R and CM5 in the detection of coronary artery disease during exercise electrocardiographic test
    Merja Puurtinen
    Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland
    Clin Physiol Funct Imaging 30:308-12. 2010
  9. doi Effect of common KCNE1 and SCN5A ion channel gene variants on T-wave alternans, a marker of cardiac repolarization, during clinical exercise stress test: the Finnish Cardiovascular Study
    Jenni Koskela
    Department of Internal Medicine, Tampere University Hospital and Medical School at the University of Tampere, Tampere, Finland
    Transl Res 152:49-58. 2008
  10. doi Enhanced predictive power of quantitative TWA during routine exercise testing in the Finnish Cardiovascular Study
    Mikko Minkkinen
    Medical School, University of Tampere, Tampere, Finland
    J Cardiovasc Electrophysiol 20:408-15. 2009

Collaborators

Detail Information

Publications21

  1. pmc Updated electrocardiographic classification of acute coronary syndromes
    Kjell Nikus
    Heart Center, Tampere University Hospital Biokatu 6, 33520 Tampere, Finland
    Curr Cardiol Rev 10:229-36. 2014
    ..With the emerging concept of acute reperfusion therapy, the concept ST-elevation/ non-ST elevation has replaced the traditional division into Q-wave/non-Q wave in the classification of acute coronary syndrome in the acute phase...
  2. doi Report of the third International Society for Holter and Noninvasive Electrocardiology working group on improved electrocardiographic criteria for acute and chronic ischemic heart disease--Lund, Sweden: June 2010
    Kjell Nikus
    Department of Cardiology, Heart Center, Tampere University Hospital, Biokatu 6, Tampere, Finland
    J Electrocardiol 44:84-6. 2011
    ..The principles for a retrospective and then a prospective study were identified, and a writing group was formed...
  3. doi Combined assessment of heart rate recovery and T-wave alternans during routine exercise testing improves prediction of total and cardiovascular mortality: the Finnish Cardiovascular Study
    Johanna Leino
    Medical School, University of Tampere, Tampere, Finland
    Heart Rhythm 6:1765-71. 2009
    ..Derangements in autonomic function acting upon an electrically unstable substrate are thought to be critical elements in triggering cardiovascular events...
  4. doi Prevalence of ventricular conduction blocks in the resting electrocardiogram in a general population: the Health 2000 Survey
    Petri Haataja
    Heart Centre, Department of Cardiology, Tampere University Hospital, Finland
    Int J Cardiol 167:1953-60. 2013
    ..The prevalence of eight different ventricular conduction blocks and their association with risk factors and major cardiovascular diseases were studied in a major Finnish population study...
  5. doi Prognostic implications of quantitative ST-segment characteristics and T-wave amplitude for cardiovascular mortality in a general population from the Health 2000 Survey
    Ismo Anttila
    Division of Internal Medicine, Department of Cardiology, Sein and x00E4 joki Central Hospital, Finland
    Ann Med 42:502-11. 2010
    ..We determined the gender-specific prognostic importance of quantitative measures of the ST segment and T wave in a community cohort...
  6. doi Impaired exercise capacity predicts sudden cardiac death in a low-risk population: enhanced specificity with heightened T-wave alternans
    Mikko Minkkinen
    Medical School, University of Tampere, Tampere, Finland
    Ann Med 41:380-9. 2009
    ....
  7. doi Relation of positive T wave in lead aVR to risk of cardiovascular mortality
    Ismo Anttila
    Division of Internal Medicine, Department of Cardiology, Seinajoki Central Hospital, Finland
    Am J Cardiol 108:1735-40. 2011
    ..94 (95% CI 2.07 to 4.18, p <0.001). In conclusion, aVRT+, an easily recognized ECG finding, predicts risk for CV mortality in the general population. This finding could aid in screening for risk of total and CV mortalities...
  8. ncbi Value of leads V4R and CM5 in the detection of coronary artery disease during exercise electrocardiographic test
    Merja Puurtinen
    Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland
    Clin Physiol Funct Imaging 30:308-12. 2010
    ..Adding lead CM5 to the standard leads increases the sensitivity but does not change the overall diagnostic performance...
  9. doi Effect of common KCNE1 and SCN5A ion channel gene variants on T-wave alternans, a marker of cardiac repolarization, during clinical exercise stress test: the Finnish Cardiovascular Study
    Jenni Koskela
    Department of Internal Medicine, Tampere University Hospital and Medical School at the University of Tampere, Tampere, Finland
    Transl Res 152:49-58. 2008
    ..The common KCNE1 gene variant rs1805127 is associated with TWA during an exercise test in a Finnish population, which provides additional evidence that KCNE1 genetics may influence cardiac repolarization and cardiovascular mortality...
  10. doi Enhanced predictive power of quantitative TWA during routine exercise testing in the Finnish Cardiovascular Study
    Mikko Minkkinen
    Medical School, University of Tampere, Tampere, Finland
    J Cardiovasc Electrophysiol 20:408-15. 2009
    ..We examined whether quantification of T-wave alternans (TWA) enhances this parameter's capacity to evaluate the risk for total and cardiovascular mortality and sudden cardiac death (SCD)...
  11. doi IL-18 gene polymorphism, cardiovascular mortality and coronary artery disease
    Jussi A Hernesniemi
    Laboratory of Atherosclerosis Genetics, Department of Clinical Chemistry, Tampere University Hospital, Centre for Laboratory Medicine, Tampere, Finland Medical School, University of Tampere, Tampere, Finland
    Eur J Clin Invest 40:994-1001. 2010
    ....
  12. doi Electrocardiographic presentation of left main disease in patients undergoing urgent or emergent coronary artery bypass grafting
    Kjell Nikus
    Heart Center, Tampee University Hospital, Tampere, Finland
    Postgrad Med 123:42-8. 2011
    ..However, the prognostic value of this ECG pattern has not yet been established...
  13. doi Common variation in the ADAM8 gene affects serum sADAM8 concentrations and the risk of myocardial infarction in two independent cohorts
    Emma Raitoharju
    Department of Clinical Chemistry, Tampere University Hospital and Medical School at University of Tampere, Tampere, Finland
    Atherosclerosis 218:127-33. 2011
    ..This study was set up to further investigate the role of ADAM8 in MI...
  14. doi Prevalence and prognostic value of poor R-wave progression in standard resting electrocardiogram in a general adult population. The Health 2000 Survey
    Ismo Anttila
    Division of Internal Medicine, Department of Cardiology, Seinajoki Central Hospital, Finland
    Ann Med 42:123-30. 2010
    ..We examined the prevalence and prognostic impact of poor R-wave progression (PRWP) in a standard electrocardiogram (ECG) in a general population...
  15. doi Failure of aspirin to prevent myocardial infarction and adverse outcome during follow-up - a large series of all-comers
    Jussi Mikkelsson
    Medical School, University of Tampenre, Tampere, Finland
    Ann Med 40:296-302. 2008
    ..Aspirin has been used for secondary prevention of myocardial infarction (MI) in individuals with coronary disease. Although supported by several large controlled trials, aspirin prevents only a portion of recurrent events...
  16. doi Electrocardiographic classification of acute coronary syndromes: a review by a committee of the International Society for Holter and Non-Invasive Electrocardiology
    Kjell Nikus
    Department of Cardiology, Heart Center, Tampere University Hospital, Biokatu 6, Tampere, Finland
    J Electrocardiol 43:91-103. 2010
    ..One of the aims of this article is to propose a classification of the ECG patterns encountered in different clinical scenarios of ACS. How these patterns will aid in guiding the diagnostic and therapeutic process is discussed...
  17. doi Severe hypocalcemia simulating ST-elevation myocardial infarction
    Erkki Ilveskoski
    Department of Cardiology, Tampere University Hospital Heart Center, PO Box 2000, FI 33521 Tampere, Finland
    Am J Emerg Med 30:256.e3-6. 2012
    ..After calcium replacement therapy, the ECG normalized, and the patient was discharged in good condition. Only a few case reports on hypocalcemia-induced ST-segment elevation exist, and the mechanism remains unknown...
  18. ncbi Diagnostic performance of plasma high sensitive C-reactive protein in detecting three-vessel coronary artery disease: modification by apolipoprotein E genotype
    Ari Mennander
    Heart Center, Tampere University Hospital and Tampere University Medical School, Tampere, Finland
    Scand J Clin Lab Invest 68:714-9. 2008
    ..We investigated whether the diagnostic performance of plasma hsCRP in detecting severe 3-vessel CAD may be modified by apoE epsilon4 carrier status...
  19. doi The role of continuous monitoring in a 24/7 telecardiology consultation service--a feasibility study
    Kjell Nikus
    Department of Cardiology, Heart Center, Tampere University Hospital, Tampere, Finland
    J Electrocardiol 42:473-80. 2009
    ..In telecardiology, the real-time interactive telemedicine model with 24/7 service has potential superior performance compared with a store-and-forward telemedicine model...
  20. doi PR depression is useful in the differential diagnosis of myopericarditis and ST elevation myocardial infarction
    Pekka Porela
    Department of Medicine, Turku University Hospital, Finland
    Ann Noninvasive Electrocardiol 17:141-5. 2012
    ..Since rapid bedside differential diagnosis of acute myopericarditis and STEMI is essential, we decided to assess the diagnostic power of PR depressions in patients presenting with ST elevations in the emergency room...
  21. ncbi Age and gender biases in secondary prevention of coronary heart disease in a Finnish university hospital setting
    Sanna Maria Michou
    Department of Pharmacological Sciences, Medical School, University of Tampere, Tampere, Finland
    Clin Drug Investig 27:673-81. 2007
    ..The aim of this study was to investigate the adequacy of CHD drug treatment and secondary prevention measures, particularly with respect to age and gender biases, in a Finnish university hospital setting...