| Título: | The Dynamics of 0.1 Hz Oscillations Synchronization in Cardiovascular System during the Treatment of Acute Myocardial Infarction Patients |
| Autores: |
KISELEV, Anton R; Saratov Research Institute of Cardiology, Chernishevsky Str. No. 141, 410028 Saratov, Russia. Tel.: +7 8452 201899; Fax: +7 8452299926 GRIDNEV, Vladimir I; Saratov Research Institute of Cardiology, Chernishevsky Str. No. 141, 410028 Saratov, Russia. KARAVAEV, Anatoly S; Saratov State University, Faculty of Nano- and Biotechnologies, Bolshaya Kazachia Str., No. 112, 410012 Saratov, Russia. POSNENKOVA, Olga M; Saratov Research Institute of Cardiology, Chernishevsky Str. No. 141, 410028 Saratov, Russia. PROKHOROV, Mikhail D; Saratov Branch of the Institute of Radio Engineering and Electronic of Russian Academy of Sciences, Zelenaya Str. No. 38, 410019, Saratov, Russia. PONOMARENKO, Vladimir I; Saratov Branch of the Institute of Radio Engineering and Electronic of Russian Academy of Sciences, Zelenaya Str. No. 38, 410019, Saratov, Russia. BEZRUCHKO, Boris P; Saratov State University, Faculty of Nano- and Biotechnologies, Bolshaya Kazachia Str., No. 112, 410012 Saratov, Russia. |
| Fecha: | 2011-03-24 |
| Publicador: | Romanian Society for Applied Medical Informatics - SRIMA Publishing House |
| Fuente: |
Ver documento |
| Tipo: | Peer-reviewed Article |
| Tema: | Synchronization; 0.1 Hz oscillations; Heart rate variability; Microcirculation; Acute myocardial infarction. |
| Descripción: | Aim: The aim was the studying of synchronization between 0.1 Hz oscillations in heart rate (HR) and plethysmographic peripheral microcirculation (PM) in acute myocardial infarction (AMI) patients and in healthy subjects. Material and Method: 12 healthy volunteers aged 26±5 years and 125 patients with AMI aged 65±9 years were involved in the study. Simultaneous registration of electrocardiogram and photoplethysmogram were performed during 10 min. In AMI patients the signals were recorded twice: the first record was done during 3-5 days after AMI, the second record was done during the third week after AMI. Phase differences between HR and PM oscillations were used to measure the degree of synchronization (S). Data are submitted as medians with inter-quartile ranges (25%, 75%). Results: S was 65.8% (50.5%; 79.5%) in healthy subjects whereas in AMI patients at the first week after AMI S was 16.3% (9.4%; 24.6%) (p<0.001). In records made at the third week after AMI index S was 18.4% (11.2%; 28.2%). Two groups of AMI patients were identified on the basis of individual S dynamics. In 100 AMI patients no dynamics of S was observed during the observation period and in 25 AMI patients the increase of S was observed. The group of AMI patients with increase of S had greater HR values during the first week after AMI. Conclusion: The index S of synchronization of 0.1 Hz oscillations in HR and PM appears to be a sensitive indicator of autonomic control dynamic disturbances in AMI patients. |
| Idioma: | Inglés |
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