[Recurrence plot analysis of HRV for brain ischemia and asphyxia].
Heart rate variability (HRV) is the tiny variability existing in the cycles of the heart beats, which reflects the corresponding balance between sympathetic and vagus nerves. Since the nonlinear characteristic of HRV is confirmed, the Recurrence Plot method, a nonlinear dynamic analysis method based on the complexity, could be used to analyze HRV. The results showed the recurrence plot structures and some quantitative indices (L-Mean, L-Entr) during asphyxia insult vary significantly as compared to those in normal conditions, which offer a new method to monitor brain asphyxia injury.
Chen
Xiaoming
X
Department of Biomedical Engineering, Shanghai Jiaotong University, Shanghai 200030, China.
Qiu
Yihong
Y
Zhu
Yisheng
Y
D000465:Algorithms; D000818:Animals; D001341:Autonomic Nervous System / Q000503:physiopathology; D004562:Electrocardiography / Q000379:methods*; D006339:Heart Rate / Q000502:physiology*; D020925:Hypoxia-Ischemia, Brain / Q000503:physiopathology*; D008297:Male; D017711:Nonlinear Dynamics; D051381:Rats; D017208:Rats, Wistar; D012815:Signal Processing, Computer-Assisted