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Опубликовано 2007-04-00 Опубликовано на SciPeople2009-12-19 10:33:47 ЖурналHuman Physiology

Internal Synchronization of the Main 0.1-Hz Rhythms in the Autonomic Control of the Cardiovascular System
Kiselev A.R., Bespyatov A.B., Posnenkova O.M., Gridnev V.I., Ponomarenko V.I., Prokhorov M.D., Dovgalevskii P.Ya. / Антон Киселев
Human Physiology, 2007, Vol. 33, No. 2, p. 188–193
Аннотация Synchronization parameters of 0.1-Hz rhythms isolated from the heart rate and the oscillations of the blood volume in microcirculatory vessels were studied in 12 healthy subjects and 32 patients with acute myocardial infarction. Recordings of the electrocardiogram and the pulsogram from the distal phalanx of the index finger, as well as mechanical recording of respiration with the body in a horizontal position, were performed. In patients with myocardial infarction, the recordings were performed during the first three to five days and the third week after the infarction. Synchronization was tested by plotting phase differences and calculating the total percentage of phase synchronization. Synchronization parameters of 0.1-Hz rhythms were high in healthy subjects. In patients with acute myocardial infarction, synchronization of 0.1-Hz rhythms was considerably poorer. The data obtained suggest that the studied 0.1-Hz rhythms are two independent oscillatory processes that are synchronized in healthy subjects. However, this interaction may be disturbed in cardiovascular pathologies, e.g., myocardial infarction.
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