Theoretical and Practical Aspects of the Nonlinear Dynamics' Methods of Heart Rate Variability Analyses in Tachyarrhythmia Patients Underwent Radiofrequency Catheter Ablation

被引:0
作者
Ardashev, Andrey [1 ,6 ]
Loskutov, Alexander [2 ]
Passman, Rod [3 ]
Zhelyakov, Evgeny [4 ]
Rytkin, Eric [5 ]
Efimov, Igor [5 ]
机构
[1] Northwestern Univ, Feinberg Sch Med, Dept Med, Chicago, IL 60611 USA
[2] Moscow State Univ, Dept Phys, Moscow, Russia
[3] Northwestern Univ, Div Cardiol, Chicago, IL USA
[4] Pirogov Russian Natl Res Med Univ, Moscow, Russia
[5] Northwestern Univ, Dept Biomed Engn, Chicago, IL USA
[6] 303 Super St,SQBRC Bldg,Room 11-532, Chicago, IL 60611 USA
关键词
Chaos theory; Non-linear dynamics; Heart rate variability; RF ablation; SVT; PVC; Atrial flutter; PAROXYSMAL ATRIAL-FIBRILLATION; CHAOS THEORY; COMPLEXITY;
D O I
10.1007/s13239-024-00766-7
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
PurposeThis study explores the use of heart rate variability (HRV) analysis, a noninvasive technique for assessing the autonomic nervous system, by applying nonlinear dynamics and chaos theory to detect chaotic behavior in RR intervals and assess cardiovascular health.MethodsEmploying the "System Analysis of Heart Rate Dynamics" (SADR) program, this research combines chaos analysis with the short-time Fourier transform to assess nonlinear dynamic parameters in HRV. It includes constructing phase portraits in Takens space and calculating measures of chaos to identify deterministic chaos indicators.ResultsThe analysis identifies distinct chaos indicators in the cardiac rhythm of healthy volunteers compared to tachyarrhythmia patients, both before and after catheter treatment. Post-radiofrequency ablation (RFA) analysis shows promise as a predictive tool for arrhythmia recurrence.ConclusionsThe findings suggest that HRV analysis, through nonlinear dynamics, can be an effective noninvasive method for predicting arrhythmia recurrence following treatments like catheter ablation. This approach has the potential for early and precise detection of arrhythmia, pending further validation.
引用
收藏
页码:190 / 201
页数:12
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