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http://dx.doi.org/10.1016/j.jacep.2019.05.016 | DOI Listing |
Arrhythm Electrophysiol Rev
December 2024
Department of Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center Nashville, TN, US.
Idiopathic arrhythmias originating from the mitral and tricuspid annuli are commonly encountered in clinical practice. This review focuses on distinguishing features of ventricular arrhythmias arising from these structures and the importance of distinguishing idiopathic arrhythmias from those associated with structural heart disease. Each region along the mitral and tricuspid annuli (including the cardiac crux and para-Hisian region) is then discussed separately, with a particular emphasis on the ablation strategies and pitfalls for each.
View Article and Find Full Text PDFCardiovasc Eng Technol
January 2025
Department of Biomedical Engineering, Northwestern University, Chicago, IL, USA.
Purpose: This 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.
Methods: Employing 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.
Cardiol Rev
December 2024
Departments of Cardiology and Medicine, Westchester Medical Center, New York Medical College, Valhalla, NY.
The number of atrial catheter ablation procedures has significantly increased in recent years, becoming a first-line treatment modality for various supraventricular tachycardias due to their safety and efficacy. Complications, ranging from mild to life-threatening, can arise during different stages of the procedure, including vascular access complications (eg, hematoma or vascular fistula formation, retroperitoneal bleeding, etc.), thromboembolic complications (eg, stroke, transient ischemic attack, air embolism, etc.
View Article and Find Full Text PDFHeliyon
January 2025
Kansai Rosai Hospital Cardiovascular Center, 3-1-69 Inabaso, Amagasaki, Hyogo, 660-8511, Japan.
Background: Left atrial low-voltage areas (LVAs) are known to be associated with atrial myopathy and atrial fibrillation (AF) recurrence after catheter ablation. However, the association between body size and prevalence of LVAs has not been fully elucidated. The purpose of this study was to clarify the association between body size and the prevalence of LVAs in patients with AF ablation.
View Article and Find Full Text PDFCirc Arrhythm Electrophysiol
January 2025
Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN.
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