ArticleESC heart failure2024
Radiofrequency catheter ablation for pulmonary hypertension patients with atrial flutter.
Article in ESC heart failure, 2024. 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, 4 citations in OpenAlex.
- Atrial Strain Analysis Predicts Atrial Arrhythmia Recurrence Following Cavotricuspid Isthmus Ablation of Typical Atrial Flutter.Journal of clinical medicine · 2025Article
- Radiofrequency catheter ablation for pulmonary hypertension patients with atrial flutter.ESC heart failure · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
aimsWe aimed to evaluate the effects of radiofrequency catheter ablation (RFCA) and the factors influencing mortality after RFCA in patients with pulmonary hypertension (PH) and atrial flutter (AFL). METHODS AND
resultsFifty-eight consecutive PH patients with AFL who underwent an electrophysiological study and RFCA between April 2013 and August 2021 were selected for this study. In the study population, pulmonary arterial hypertension associated with congenital heart disease (PAH-CHD) was the most common type of PH (n = 34, 59%), followed by idiopathic pulmonary arterial hypertension (IPAH) (n = 19, 33%). Typical atrial flutter was the most common type of atrial flutter (n = 50, 86.2%). Sinus rhythm was restored in 53 (91.4%) patients during RFCA. After a mean follow-up of 33.8 months, AFL recurred in a total of 22 patients. Nine of them underwent repeat RFCA, and the site of the repeat ablation was not exactly the same as the first. At a median follow-up of 34.6 months after the last ablation, none of the patients who underwent repeat RFCA experienced AFL recurrence, and all of these patients survived. There were no procedure-related complications during hospitalization or follow-up. Univariate Cox regression analysis suggested that AFL recurrence after the last ablation was not associated with all-cause mortality. NT-proBNP (HR: 1.00024, 95% CI: 1.00008-1.00041, P = 0.004), pulmonary artery systolic pressure (PASP) (HR: 1.048, 95% CI: 1.020-1.076, P = 0.001), and IPAH (vs. PAH-CHD, HR: 7.720, 95% CI: 1.437-41.483, P = 0.017) were independent predictors of all-cause mortality in PH patients with AFL after RFCA. Receiver operating characteristic (ROC) curve analysis revealed that the area under the curve (AUC) of PASP for predicting all-cause mortality was 0.708. There was no significant difference in the Kaplan-Meier curves for all-cause mortality between patients with AFL recurrence after the last ablation and those without recurrence (P = 0.851). Patients with higher PASP (≥110 mmHg) and IPAH showed the lower survival rate in Kaplan-Meier curves.
conclusionRepeat ablation was safe and feasible in patients with recurrent AFL and can maintain sinus rhythm. AFL recurrence was not associated with all-cause mortality, and patients with high PASP or IPAH were at higher risk for adverse outcomes.
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