ArticleCardiology2025
Comparative Study of the Therapeutic Effects of Radiofrequency Ablation of Ganglionated Plexi Guided by High-Frequency Stimulation and Anatomical Localization Methods in the Treatment of Vagal Syncope in Young People.
Article in Cardiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Neuromodulation of the Cardiac Autonomic Nervous System for Arrhythmia Treatment.Biomedicines · 2025Review
- Cardioneuroablation for Vasovagal Syncope: An Updated Systematic Review and Single-Arm Meta-Analysis.Biomedicines · 2025Review
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7 authors.
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Abstract
introductionThe aim of the study was to investigate the differences in safety and efficacy between high-frequency stimulation (HFS) and anatomically guided endocardial catheter ablation (AA) of the ganglionated plexi (GPs) for treating vasovagal syncope (VVS) in individuals engaged in high-intensity physical training.
methodsForty-five patients (age 22.5 ± 4.4 years) undergoing high-intensity physical training were included from January 2020 to January 2023 at our hospital. Patients underwent GP ablation for recurrent syncope. Comprehensive evaluations, including head MRI, cardiac ultrasound, electrocardiogram (ECG), ambulatory ECG (Holter), ambulatory blood pressure monitoring, plate motion tests, and head-up tilt tests (HUT), were conducted to exclude other systemic disorders causing syncope. HFS- and AA-guided GP ablation were performed on 10 and 35 patients, respectively, all of whom tested positive for HUT. Differences between the two groups were compared regarding ablation sites, ablation time, safety, and effectiveness.
resultsThe ablation time was significantly shorter in the AA group compared to the HFS group (p < 0.001). The number of GPs selected for ablation using the AA method was reduced (p < 0.001). All patients in the HFS group experienced palpitations and discomfort, whereas only 31.43% of patients in the AA group reported these symptoms (p = 0.001). Fentanyl analgesia was administered in both groups, and no significant complications arose from the ablation. The longest follow-up duration was 52 months, while the shortest was 15 months. One case of pre-syncope occurred in the HFS group 8 months post-ablation, and one case of pre-syncope and 2 cases of syncope occurred in the AA group at 1 and 3 months post-ablation, respectively. There were no statistically significant differences in heart rate variability and cardiac deceleration capacity (DC) between the two groups after ablation (p > 0.05). Two cases in the AA group still exhibited type II second-degree atrioventricular block during sleep. Both groups of patients were able to complete high-intensity physical training and showed significant symptom improvement post-ablation.
conclusionYoung individuals with VVS engaged in high-intensity physical training can benefit from GP ablation using both HFS and AA methods. The AA method requires relatively simple equipment, shorter procedure time, and results in less discomfort during the ablation.
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