Search Results - "Makikallio, T. H."

Fractal correlation properties of R-R interval dynamics and mortality in patients with depressed left ventricular function after an acute myocardial infarction by Huikuri, H. V., Makikallio, T. H., Peng, C. K., Goldberger, A. L., Hintze, U., Moller, M.

“…BACKGROUND: Preliminary data suggest that the analysis of R-R interval variability by fractal analysis methods may provide clinically useful information on…”
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Intensity of leisure-time physical activity and cancer mortality in men by Laukkanen, J A, Rauramaa, R, Mäkikallio, T H, Toriola, A T, Kurl, S

“…there is a lack of evidence to show the role of exercise intensity in the prevention of cancer mortality because no previous studies have shown this relation…”
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Temporal dynamics of the circadian heart rate following low and high volume exercise training in sedentary male subjects by Jelinek, Herbert F., Karmakar, C., Kiviniemi, A. M., Hautala, A. J., Tulppo, M. P., Mäkikallio, T. H., Huikuri, H. V., Khandoker, A. H., Palaniswami, M.

“…Purpose Increased risk of arrhythmic events occurs at certain times during the circadian cycle with the highest risk being in the second and fourth quarter of…”
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Low β-carotene concentrations increase the risk of cardiovascular disease mortality among Finnish men with risk factors by Karppi, J, Laukkanen, J.A, Mäkikallio, T.H, Ronkainen, K, Kurl, S

“…Abstract Background & aims Healthy diet rich in fruits and vegetables is an important factor in prevention of cardiovascular diseases (CVD). Some previous…”
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Quantitative beat-to-beat analysis of heart rate dynamics during exercise by Tulppo, M P, Mäkikallio, T H, Takala, T E, Seppänen, T, Huikuri, H V

“…Beat-to-beat heart rate (HR) dynamics were studied by plotting each R-R interval as a function of the previous R-R interval (Poincaré plot) during incremental…”
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Cardiac interbeat interval dynamics from childhood to senescence : comparison of conventional and new measures based on fractals and chaos theory by Pikkujamsa, S. M., Makikallio, T. H., Sourander, L. B., Raiha, I. J., Puukka, P., Skytta, J., Peng, C. K., Goldberger, A. L., Huikuri, H. V.

“…BACKGROUND: New methods of R-R interval variability based on fractal scaling and nonlinear dynamics ("chaos theory") may give new insights into heart rate…”
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Exercise workload, cardiovascular risk factor evaluation and the risk of stroke in middle‐aged men by Kurl, S., Sivenius, J., Mäkikallio, T. H., Rauramaa, R., Laukkanen, J. A.

“… Objective.  We investigated the prognostic significance of risk scores and exercise workload with respect to stroke. Background.  There are no data on…”
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Heart rate dynamics before spontaneous onset of ventricular fibrillation in patients with healed myocardial infarcts by Mäkikallio, Timo H, Koistinen, Juhani, Jordaens, Luc, Tulppo, Mikko P, Wood, Nicholas, Golosarsky, Boris, Peng, Chung-Kang, Goldberger, Ary L, Huikuri, Heikki V

“…The traditional methods of analyzing heart rate (HR) variability have failed to predict imminent ventricular fibrillation (VF). We sought to determine whether…”
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Dynamic Analysis of Heart Rate May Predict Subsequent Ventricular Tachycardia After Myocardial Infarction by Mäkikallio, Timo H., Seppänen, Tapio, Airaksinen, K.E.Juhani, Koistinen, Juhani, Tulppo, Mikko P., Peng, Chung-Kang, Goldberger, Ary L., Huikuri, Heikki V.

“…Dynamics analysis of RR interval behavior and traditional measures of heart rate variability were compared between postinfarction patients with and without…”
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Heart Rate Dynamics in Patients With Stable Angina Pectoris and Utility of Fractal and Complexity Measures by Mäkikallio, Timo H, Ristimäe, Tiina, Airaksinen, K.E.Juhani, Peng, Chung-Kang, Goldberger, Ary L, Huikuri, Heikki V

“…Dynamic analysis techniques may uncover abnormalities in heart rate (HR) behavior that are not easily detectable with conventional statistical measures…”
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Effects of intracoronary injection of mononuclear bone marrow cells on left ventricular function, arrhythmia risk profile, and restenosis after thrombolytic therapy of acute myocardial infarction by Huikuri, Heikki V., Kervinen, Kari, Niemelä, Matti, Ylitalo, Kari, Säily, Marjaana, Koistinen, Pirjo, Savolainen, Eeva-Riitta, Ukkonen, Heikki, Pietilä, Mikko, Airaksinen, Juhani K.E., Knuuti, Juhani, Mäkikallio, Timo H.

“…Aims To assess the efficacy and safety of bone marrow cell (BMC) therapy after thrombolytic therapy of an acute ST-elevation myocardial infarction (STEMI)…”
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Heart rate dynamics predict poststroke mortality by MÄKIKALLIO, A. M, MÄKIKALLIO, T. H, KORPELAINEN, J. T, SOTANIEMI, K. A, HUIKURI, H. V, MYLLYLÄ, V. V

“…Impaired cardiovascular autonomic regulation assessed by heart rate (HR) variability provides prognostic information in patients with heart disease as well as…”
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Abnormalities in beat to beat complexity of heart rate dynamics in patients with a previous myocardial infarction by MÄKIKALLIO, T. H, SEPPÄNEN, T, NIEMELÄ, M, AIRAKSINEN, K. E. J, TULPPO, M, HUIKURI, H. V

“…The purpose of this research was to study possible abnormalities in the beat to beat complexity of heart rate dynamics in patients with a previous myocardial…”
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Natriuretic peptides and mortality after stroke by MÄKIKALLIO, A. M, MÄKIKALLIO, T. H, KORPELAINEN, J. T, VUOLTEENAHO, O, TAPANAINEN, J. M, YLITALO, K, SOTANIEMI, K. A, HUIKURI, H. V, MYLLYLÄ, V. V

“…Measurement of natriuretic peptides provides prognostic information in various patient populations. The prognostic value of natriuretic peptides among patients…”
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Low serum lycopene and  -carotene increase risk of acute myocardial infarction in men by Karppi, J., Laukkanen, J. A., Makikallio, T. H., Kurl, S.

“…Previous studies have shown that high intake or concentrations of serum carotenoids may protect against acute myocardial infarction (AMI). The role of…”
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Changes in heart rate circadian rhythm following exercise in middle-aged men by Jelinek, H. F., Karmakar, C., Kiviniemi, A. M., Tulppo, M. P., Makikallio, T., Hautala, A. I., Huikuri, H. V., Khandoker, A. F., Palaniswami, M.

“…Aerobic fitness and exercise have been associated with improved cardiovascular health. Health effects of exercise may be associated with the circadian rhythm…”
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Sudden cardiac death: role of heart rate variability to identify patients at risk by Lombardi, F, Mäkikallio, T H, Myerburg, R J, Huikuri, H V

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Altered complexity and correlation properties of R-R interval dynamics before the spontaneous onset of paroxysmal atrial fibrillation by VIKMAN, S, MÄKIKALLIO, T. H, YLI-MÄYRY, S, PIKKUJÄMSÄ, S, KOIVISTO, A.-M, REINIKAINEN, P, AIRAKSINEN, K. E. J, HUIKURI, H. V

“…Trigger mechanisms for the onset of paroxysmal atrial fibrillation (AF) in patients without structural heart disease are not well established. New analysis…”
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Power-law relationship of heart rate variability as a predictor of mortality in the elderly by HUIKURI, H. V, MÄKIKALLIO, T. H, AIRAKSINEN, K. E. J, SEPPÄNEN, T, PUUKKA, P, RÄIHÄ, I. J, SOURANDER, L. B

“…The prognostic role of heart rate (HR) variability analyzed from 24-hour ECG recordings in the general population is not well known. We studied whether…”
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Heart rate variability in ischemic heart disease by Huikuri, Heikki V., Mäkikallio, Timo H.

“…Major untoward events, such as life-threatening arrhythmias and acute coronary events, have been suggested to be triggered by the activation of the autonomic…”
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