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The purpose of this study was to provide a methodology in order to characterize autonomous nervous system (ANS) changes before, during and after percutaneous transluminal coronary angioplasty (PTCA). This methodology, based on a multiscale information analysis (MIA) of the heart rate variability, has taken into account entropy rates. The study group consisted of 66 patients undergoing PTCA: 1 in the...
The purpose of this study was to characterize the autonomic nervous system changes during a prolonged percutaneous transluminal coronary angioplasty (PTCA) procedure. This study used the records of 61 procedures from the Staff-3 database. Four stages were considered: 2 min of the pre-inflation ECG period; the first 2 min and last 2 min of the ECG during occlusion and 2 min immediately after balloon...
This study describes the autonomic nervous system (ANS) response before, during and after a percutaneous transluminal coronary angioplasty (PTCA). The study population consisted of 37 patients undergoing PTCA from Staff-3 Database. Classical heart rate variability (HRV) parameters: RR mean, SD, rMSSD, LF, HF, LF/HF and LF/(HF+LF) were extracted and a multiple factorial analysis (MFA) was carried out...
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