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Escribano P, Ródenas J, García M, Arias MA, Hidalgo VM, Calero S, Rieta JJ, Alcaraz R. Combination of frequency- and time-domain characteristics of the fibrillatory waves for enhanced prediction of persistent atrial fibrillation recurrence after catheter ablation. Heliyon 2024; 10:e25295. [PMID: 38327415 PMCID: PMC10847938 DOI: 10.1016/j.heliyon.2024.e25295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/09/2024] Open
Abstract
Catheter ablation (CA) remains the cornerstone alternative to cardioversion for sinus rhythm (SR) restoration in patients with atrial fibrillation (AF). Unfortunately, despite the last methodological and technological advances, this procedure is not consistently effective in treating persistent AF. Beyond introducing new indices to characterize the fibrillatory waves (f-waves) recorded through the preoperative electrocardiogram (ECG), the aim of this study is to combine frequency- and time-domain features to improve CA outcome prediction and optimize patient selection for the procedure, given the absence of any study that jointly analyzes information from both domains. Precisely, the f-waves of 151 persistent AF patients undergoing their first CA procedure were extracted from standard V1 lead. Novel spectral and amplitude features were derived from these waves and combined through a machine learning algorithm to anticipate the intervention mid-term outcome. The power rate index (φ), which estimates the power of the harmonic content regarding the dominant frequency (DF), yielded the maximum individual discriminant ability of 64% to discern between individuals who experienced a recurrence of AF and those who sustained SR after a 9-month follow-up period. The predictive accuracy was improved up to 78.5% when this parameter φ was merged with the amplitude spectrum area in the DF bandwidth (A M S A L F ) and the normalized amplitude of the f-waves into a prediction model based on an ensemble classifier, built by random undersampling boosting of decision trees. This outcome suggests that the synthesis of both spectral and temporal features of the f-waves before CA might enrich the prognostic knowledge of this therapy for persistent AF patients.
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Affiliation(s)
- Pilar Escribano
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, Albacete, Spain
| | - Juan Ródenas
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, Albacete, Spain
| | - Manuel García
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, Albacete, Spain
| | - Miguel A. Arias
- Cardiac Arrhythmia Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Víctor M. Hidalgo
- Cardiac Arrhythmia Department, Complejo Hospitalario Universitario de Albacete, Albacete, Spain
| | - Sofía Calero
- Cardiac Arrhythmia Department, Complejo Hospitalario Universitario de Albacete, Albacete, Spain
| | - José J. Rieta
- BioMIT.org, Electronic Engineering Department, Universitat Politecnica de Valencia, Valencia, Spain
| | - Raúl Alcaraz
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, Albacete, Spain
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Escribano P, Ródenas J, García M, Arias MA, Hidalgo VM, Calero S, Rieta JJ, Alcaraz R. Preoperative Prediction of Catheter Ablation Outcome in Persistent Atrial Fibrillation Patients through Spectral Organization Analysis of the Surface Fibrillatory Waves. J Pers Med 2022; 12:jpm12101721. [PMID: 36294860 PMCID: PMC9604697 DOI: 10.3390/jpm12101721] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/05/2022] Open
Abstract
Catheter ablation (CA) is a commonly used treatment for persistent atrial fibrillation (AF). Since its medium/long-term success rate remains limited, preoperative prediction of its outcome is gaining clinical interest to optimally select candidates for the procedure. Among predictors based on the surface electrocardiogram, the dominant frequency (DF) and harmonic exponential decay (γ) of the fibrillatory waves (f-waves) have reported promising but clinically insufficient results. Hence, the main goal of this work was to conduct a broader analysis of the f-wave harmonic spectral structure to improve CA outcome prediction through several entropy-based measures computed on different frequency bands. On a database of 151 persistent AF patients under radio-frequency CA and a follow-up of 9 months, the newly introduced parameters discriminated between patients who relapsed to AF and those who maintained SR at about 70%, which was statistically superior to the DF and approximately similar to γ. They also provided complementary information to γ through different combinations in multivariate models based on lineal discriminant analysis and report classification performance improvement of about 5%. These results suggest that the presence of larger harmonics and a proportionally smaller DF peak is associated with a decreased probability of AF recurrence after CA.
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Affiliation(s)
- Pilar Escribano
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, 02071 Albacete, Spain
- Correspondence:
| | - Juan Ródenas
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, 02071 Albacete, Spain
| | - Manuel García
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, 02071 Albacete, Spain
| | - Miguel A. Arias
- Cardiac Arrhythmia Department, Complejo Hospitalario Universitario de Toledo, 45007 Toledo, Spain
| | - Víctor M. Hidalgo
- Cardiac Arrhythmia Department, Complejo Hospitalario Universitario de Albacete, 02006 Albacete, Spain
| | - Sofía Calero
- Cardiac Arrhythmia Department, Complejo Hospitalario Universitario de Albacete, 02006 Albacete, Spain
| | - José J. Rieta
- BioMIT.org, Electronic Engineering Department, Universitat Politecnica de Valencia, 46022 Valencia, Spain
| | - Raúl Alcaraz
- Research Group in Electronic, Biomedical and Telecommunication Engineering, University of Castilla-La Mancha, 02071 Albacete, Spain
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Zhu S, Zhao H, Zheng M, Peng J. The impact of malnutrition on atrial fibrillation recurrence post ablation. Nutr Metab Cardiovasc Dis 2021; 31:834-840. [PMID: 33549446 DOI: 10.1016/j.numecd.2020.12.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 09/12/2020] [Accepted: 12/03/2020] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS Both malnutrition and atrial fibrillation (AF) are the major health problems in modern society. Only a few studies focused on the relationship between malnutrition and recurrence of atrial arrhythmias post AF ablation (AF recurrence), which used body mass index (BMI) as nutrition assessment tool. However, BMI can't credibly reflect body composition and has limitation in patients with water-sodium retention. In this study, we used controlling nutritional status score (CONUT score) and geriatric nutritional risk index (GNRI) to identify the malnutrition patients and explored the effect of malnutrition on AF recurrence. METHODS AND RESULTS This retrospective study included 246 patients who underwent AF ablation. During a median 11-month follow-up, 77 patients (31.3%) experienced AF recurrence. The recurrence group had higher CONUT score (2.3 ± 1.5 vs. 0.9 ± 1.0, P < 0.001) and lower GNRI (99.9 ± 7.6 vs. 103.9 ± 5.6, P < 0.001). After balancing the traditional risk factors, both CONUT score (OR: 2.614, 95%CI: 1.831-3.731, P < 0.001) and GNRI (OR: 0.884, 95%CI: 0.828-0.944, P < 0.001) were the independent predictors for AF recurrence. Pre-ablation CONUT score ≥1 and GNRI≥95.66 are indicative of AF recurrence. Adding CONUT score or GNRI to the base prediction model for AF recurrence significantly improved the discrimination and calibration. However, adding BMI to the base prediction model did not improve the model performance. CONCLUSIONS CONUT score and GNRI are ideal tools to evaluate the nutrition status of AF patients. Undernourished patients are more likely to suffer from AF recurrence. Improving nutrition status may be a potential target for reducing the postoperative recurrence rate.
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Affiliation(s)
- Shijie Zhu
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China; Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Haiyu Zhao
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Muhan Zheng
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China; Department of Rheumatology and Immunology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Jian Peng
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China.
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Long-term outcomes after radiofrequency catheter ablation of the atrioventricular node: The experience of a Portuguese tertiary center. REVISTA PORTUGUESA DE CARDIOLOGIA (ENGLISH EDITION) 2021. [DOI: 10.1016/j.repce.2020.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Manuel AM, Almeida J, Fonseca P, Monteiro J, Guerreiro C, Barbosa AR, Teixeira P, Ribeiro J, Santos E, Rosas F, Ribeiro J, Dias A, Caeiro D, Sousa O, Teixeira M, Oliveira M, Gonçalves H, Primo J, Braga P. Long-term outcomes after radiofrequency catheter ablation of the atrioventricular node: The experience of a Portuguese tertiary center. Rev Port Cardiol 2021; 40:95-103. [PMID: 33422375 DOI: 10.1016/j.repc.2020.05.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 04/08/2020] [Accepted: 05/05/2020] [Indexed: 12/28/2022] Open
Abstract
INTRODUCTION In patients with supraventricular arrhythmias and high ventricular rate, unresponsive to rate and rhythm control therapy or catheter ablation, atrioventricular (AV) node ablation may be performed. OBJECTIVES To assess long-term outcomes after AV node ablation and to analyze predictors of adverse events. METHODS We performed a detailed retrospective analysis of all patients who underwent AV node ablation between February 1997 and February 2019, in a single Portuguese tertiary center. RESULTS A total of 123 patients, mean age 69±9 years and 52% male, underwent AV node ablation. Most of them presented atrial fibrillation at baseline (65%). During a median follow-up of 8.5 years (interquartile range 3.8-11.8), patients improved heart failure (HF) functional class (NYHA class III-IV 46% versus 13%, p=0.001), and there were reductions in hospitalizations due to HF (0.98±1.3 versus 0.28±0.8, p=0.001) and emergency department (ED) visits (1.1±1 versus 0.17±0.7, p=0.0001). There were no device-related complications. Despite permanent pacemaker stimulation, left ventricular ejection fraction did not worsen (47±13% vs. 47%±12, p=0.63). Twenty-eight patients died (23%). The number of ED visits due to HF before AV node ablation was an independent predictor of the composite adverse outcome (OR 1.8, 95% CI 1.24-2.61, p=0.002). CONCLUSIONS Despite pacemaker dependency, the clinical benefit of AV node ablation persisted at long-term follow-up. The number of ED visits due to HF before AV node ablation was an independent predictor of the composite adverse outcome. AV node ablation should probably be considered earlier in the treatment of patients with supraventricular arrhythmias and HF, especially in cases that are unsuitable for selective ablation of the specific arrhythmia.
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Affiliation(s)
- Ana Mosalina Manuel
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal.
| | - João Almeida
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Paulo Fonseca
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Joel Monteiro
- Cardiology Department, Funchal Central Hospital, Madeira, Portugal
| | - Cláudio Guerreiro
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Ana Raquel Barbosa
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Pedro Teixeira
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - José Ribeiro
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Elisabeth Santos
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Filipa Rosas
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - José Ribeiro
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Adelaide Dias
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Daniel Caeiro
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Olga Sousa
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Madalena Teixeira
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Marco Oliveira
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Helena Gonçalves
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - João Primo
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
| | - Pedro Braga
- Cardiology Department, Vila Nova de Gaia/Espinho Hospital Centre, Porto, Portugal
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Kiyosawa N, Watanabe K, Morishima Y, Yamashita T, Yagi N, Arita T, Otsuka T, Suzuki S. Exploratory Analysis of Circulating miRNA Signatures in Atrial Fibrillation Patients Determining Potential Biomarkers to Support Decision-Making in Anticoagulation and Catheter Ablation. Int J Mol Sci 2020; 21:ijms21072444. [PMID: 32244749 PMCID: PMC7178177 DOI: 10.3390/ijms21072444] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/27/2020] [Accepted: 03/31/2020] [Indexed: 12/24/2022] Open
Abstract
Novel biomarkers are desired to improve risk management for patients with atrial fibrillation (AF). We measured 179 plasma miRNAs in 83 AF patients using multiplex qRT-PCR. Plasma levels of eight (i.e., hsa-miR-22-3p, hsa-miR-128-3p, hsa-miR-130a-3p, hsa-miR-140-5p, hsa-miR-143-3p, hsa-miR-148b-3p, hsa-miR-497-5p, hsa-miR-652-3p) and three (i.e., hsa-miR-144-5p, hsa-miR-192-5p, hsa-miR-194-5p) miRNAs showed positive and negative correlations with CHA2DS2-VASc scores, respectively, which also showed negative and positive correlations with catheter ablation (CA) procedure, respectively, within the follow-up observation period up to 6-month after enrollment. These 11 miRNAs were functionally associated with TGF-β signaling and androgen signaling based on pathway enrichment analysis. Seven of possible target genes of these miRNAs, namely TGFBR1, PDGFRA, ZEB1, IGFR1, BCL2, MAPK1 and DICER1 were found to be modulated by more than four miRNAs of the eleven. Of them, TGFBR1, PDGFRA, ZEB1 and BCL2 are reported to exert pro-fibrotic functions, suggesting that dysregulations of these eleven miRNAs may reflect pro-fibrotic condition in the high-risk patients. Although highly speculative, these miRNAs may potentially serve as potential biomarkers, providing mechanistic and quantitative information for pathophysiology in daily clinical practice with AF such as possible pro-fibrotic state in left atrium, which would enhance the risk of stroke and reduce the preference for performing CA.
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Affiliation(s)
- Naoki Kiyosawa
- Specialty Medicine Research Laboratories I, Daiichi Sankyo Co., Ltd., Tokyo 140-0005, Japan
- Correspondence: ; Tel.: +81-3-5740-3412
| | - Kenji Watanabe
- Biomarker & Translational Research Department, Daiichi Sankyo Co., Ltd., Tokyo 140-0005, Japan;
| | - Yoshiyuki Morishima
- Medical Science Department, Daiichi Sankyo Co., Ltd., Tokyo 103-8426, Japan;
| | - Takeshi Yamashita
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Tokyo 106-0031, Japan; (T.Y.); (T.A.); (T.O.); (S.S.)
| | - Naoharu Yagi
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Tokyo 106-0031, Japan; (T.Y.); (T.A.); (T.O.); (S.S.)
| | - Takuto Arita
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Tokyo 106-0031, Japan; (T.Y.); (T.A.); (T.O.); (S.S.)
| | - Takayuki Otsuka
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Tokyo 106-0031, Japan; (T.Y.); (T.A.); (T.O.); (S.S.)
| | - Shinya Suzuki
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Tokyo 106-0031, Japan; (T.Y.); (T.A.); (T.O.); (S.S.)
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