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Vpliv uspešnosti trombolitičnega zdravljenja na variabilnost srčne frekvence pri bolnikih z akutnim srčnomišičnim infarktom : magistrska nalogaAžman-Juvan, KatjaSuccessful thrombolysis significantly reduces mortality of patients with acutemyocardial infarction (AMI). The possible mechanism of such is probably related also to beneficial effect of the patency ... of infarct-related artery on autonomic activity. The aim of our study was to investigate the influence of thrombolysis on autonomic activity in patients with AMI. Autonomic activity was indirectly analysed by means of heart rate variability (HRV). A wavelet analysis, which is a frequency domain method, was utilised. In 63 patients with AMI HRV was determined at admission to intensive care unit, 3, 24 hours and 4-5 days after admission. Among them, thrombolysis was successful in 42 and unsuccessful in 11 patients. Ten patients, who did not receive thrombolytic treatment, comprised a control group. Patients with successful thrombolysis had higher normalised high frequency power, which is marker of parasympathetic activity. The difference became significant on day 4-5 after AMI (p=0.04). It was even more evident in patients without ventricular arrhythmias or congestive heart failure (p=0.002). No differences in any measures of HRV were found at admission, 3 and 24 hours after admission to intensive care unit. Successful thrombolysis is associated with preserved parasympathetic activity. This could be one of the mechanisms for reduced mortality in patients with successful thrombolysis. Higher parasympathetic activity namely improves electrical stability of the heart, which results in reduced occurence of malignant ventricular arrhythmias and sudden cardiac deaths.Type of material - master's thesisPublication and manufacture - Ljubljana : [K.Ažman Juvan], 1998Language - slovenianCOBISS.SI-ID - 12793817
Author
Ažman-Juvan, Katja
Other authors
Pohar, Bojan, 1957- |
Horvat, Matija, 1935-2014
Topics
Myocardial infarction |
Thrombolytic therapy |
Heart rate |
Autonomic nervous system |
Intensive care units |
Parasympathetic nervous system |
Acute disease
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ažman-Juvan, Katja | 16357 |
Pohar, Bojan, 1957- | 03530 |
Horvat, Matija, 1935-2014 | 01531 |
Source: Personal bibliographies
and: SICRIS
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