Affiliation:
1. Cardiology Research Institute, Tomsk National Research Medical Center
2. National Research Tomsk Polytechnic University
3. Siberian State Medical University
Abstract
Aim. To study cardiac micropotentials registered by the hardware and software complex with nanosensors in patients with myocardial infarction for the early detection of life-threatening conditions.Materials and Methods. The pilot study included 29 patients with acute myocardial infarction who had life-threatening complications such as heart rhythm disorders, the development of acute left ventricular failure, or clinical death prehospitally or at admission to the coronary care unit. The diagnosis of myocardial infarction was established and treatment was carried out according to the national guidelines for the management of patients with myocardial infarction, including the methods of myocardial revascularization.Results. During hospitalization, eight patients developed cardiogenic shock and died. 21 patients survived and were included in the comparison group. At admission, all patients underwent high-resolution electrocardiography using the originally developed hardware and software complex with nanosensors. The micropotentials on the ST segment of the electrocardiogram were recorded for 30 s in three leads on-line. The numbers of micropotentials in the studied groups were analyzed. The analysis of the number of micropotentials within certain ranges of amplitude and duration registered on high-resolution electrocardiogram showed a decrease of the micropotential number in group of patients who died from cardiogenic shock compared with the group of survived patients.Conclusions. The results of this pilot study of cardiac micropotentials are preliminary and require further accumulation of data as well as a search for new criteria for diagnostics, prognosis, and evaluation of the treatment efficacy in patients with myocardial infarction.
Publisher
Cardiology Research Institute
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