Cardiac autonomic regulation in patients undergoing pulmonary vein isolation for atrial fibrillation
| Autor: | Mario Facchini, Massimo Tritto, Grzegorz Bilo, Kalina Kawecka-Jaszcz, Gianfranco Parati, Gabriella Malfatto, Danuta Czarnecka, Katarzyna Styczkiewicz, Giammario Spadacini, Giovanni Battista Perego |
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| Přispěvatelé: | Styczkiewicz, K, Spadacini, G, Tritto, M, Perego, G, Facchini, M, Bilo, G, Kawecka-Jaszcz, K, Czarnecka, D, Malfatto, G, Parati, G |
| Rok vydání: | 2019 |
| Předmět: |
Ablation Techniques
Male medicine.medical_specialty Time Factors Isolation (health care) Time Factor medicine.medical_treatment Blood Pressure macromolecular substances Baroreflex Ablation Autonomic Nervous System Pulmonary vein Heart Rate Recurrence Internal medicine Heart rate Atrial Fibrillation medicine Ablation Technique Humans Heart Atria skin and connective tissue diseases Aged Spontaneous baroreflex sensitivity business.industry Atrial fibrillation Pulmonary Vein General Medicine Middle Aged medicine.disease Autonomic nervous system Blood pressure Treatment Outcome Pulmonary Veins cardiovascular system Cardiology Female sense organs Cardiology and Cardiovascular Medicine business Arrhythmia Human |
| Zdroj: | Journal of cardiovascular medicine (Hagerstown, Md.). 20(5) |
| ISSN: | 1558-2035 |
| Popis: | Aims Ablation procedures for the treatment of atrial fibrillation lead to changes in autonomic heart control; however, there are insufficient data on the possible association of these changes with atrial fibrillation recurrence. The study aim was to assess the effects of pulmonary vein isolation (PVI) on cardiac autonomic modulation and atrial fibrillation recurrence. Methods We screened 52 patients with atrial fibrillation referred for PVI, of whom 20 patients met inclusion and exclusion criteria, and were enrolled in the study and followed over 6 months. Beat-to-beat blood pressure monitoring was performed 1–2 days before PVI, 1 and 6 months after PVI. We estimated pulse interval variability and spontaneous baroreflex sensitivity (BRS) both in the time and frequency domains, and performed the Valsalva manoeuvre assessing the Valsalva ratio. Results During 6 months after PVI, atrial fibrillation recurrence was observed in six patients. One month after PVI, pulse interval variability and BRS (sequence method) significantly decreased in all patients, returning to preintervention values by 6 months. Patients without atrial fibrillation recurrence at 1 month showed a transient reduction in pulse interval variability (frequency domain) and in BRS (both methods) in contrast to those with atrial fibrillation recurrence. A significant decrease in the Valsalva ratio observed at 1 month was maintained at 6 months after PVI in both groups. Conclusion Successful PVI may lead to transient autonomic alterations reflected by a reduction in pulse interval variability and BRS, with more prolonged changes in the Valsalva ratio. The efficacy of PVI in preventing atrial fibrillation recurrence seems to be related to transient parasympathetic atrial denervation. |
| Databáze: | OpenAIRE |
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