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Miao Y, Xu M, Yang Z, Gong M, Yang L. The association between left atrial appendage emptying velocity and atrial fibrillation recurrence after radiofrequency catheter ablation in patients with early persistent atrial fibrillation. BMC Cardiovasc Disord 2024; 24:529. [PMID: 39354384 PMCID: PMC11443837 DOI: 10.1186/s12872-024-04215-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/19/2024] [Indexed: 10/03/2024] Open
Abstract
OBJECTIVE In the present study, we aimed to explore the association between left atrial appendage emptying velocity (LAAEV) measured by transesophageal echocardiography and atrial fibrillation (AF) recurrence after radiofrequency catheter ablation (RFCA) in patients with early persistent atrial fibrillation (PeAF). METHODS We retrospectively analyzed patients with early PeAF who underwent their initial ablation procedure. The echocardiographic and clinical data of the enrolled patients were collected and recorded prior to the operation. Following adjustment for confounding factors, we investigated the relationship between the LAAEV and AF recurrence in patients with early PeAF after radiofrequency ablation. RESULTS The proportions of AF recurrence in the low, medium, and high LAAEV groups were 48.8%, 16.0%, and 13.1%, respectively. After adjusting for potential confounding factors, we observed a gradual decrease in the risk of AF recurrence with increasing LAAEV (odds ratio: 0.882, 95% confidence interval: 0.842-0.924, p<0.001). This trend was statistically significant (p<0.001), particularly when comparing the high and low LAAEV groups (odds ratio: 0.033, 95% confidence interval: 0.009-0.116, p<0.001). Curve fitting analysis demonstrated an approximate negative linear association between LAAEV and the probability of AF recurrence. CONCLUSIONS Among patients with early PeAF who successfully underwent their first RFCA, we found that the LAAEV within 24 h before the procedure was independently correlated with the risk of AF recurrence. Notably, this association was negative, indicating that higher LAAEV was associated with a lower risk of AF recurrence.
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Affiliation(s)
- Yuxia Miao
- Department of Cardiovascular Disease, Division of Echocardiography, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Chang Zhou City, Jiangsu Province, 213000, China
| | - Min Xu
- Department of Cardiovascular Disease, Division of Echocardiography, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Chang Zhou City, Jiangsu Province, 213000, China.
| | - Zhenni Yang
- Department of Cardiovascular Disease, Division of Echocardiography, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Chang Zhou City, Jiangsu Province, 213000, China
| | - Mingxia Gong
- Department of Cardiovascular Disease, Division of Echocardiography, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Chang Zhou City, Jiangsu Province, 213000, China
| | - Ling Yang
- Department of Cardiovascular Disease, The First People's Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Chang Zhou City, Jiangsu Province, 213000, China
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Huang W, Sun H, Luo Y, Xiong S, Tang Y, Long Y, Zhang Z, Liu H. Better performance of the APPLE score for the prediction of very early atrial fibrillation recurrence post-ablation. Hellenic J Cardiol 2024:S1109-9666(24)00176-3. [PMID: 39147094 DOI: 10.1016/j.hjc.2024.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 08/01/2024] [Accepted: 08/09/2024] [Indexed: 08/17/2024] Open
Abstract
OBJECTIVE The benefits of rhythm control in early atrial fibrillation (AF) are increasingly recognized. This study aimed to investigate whether early AF ablation contributes to long-term sinus rhythm maintenance and to identify a suitable predictive score. METHODS According to diagnosis-to-ablation time, this study prospectively enrolled 245 patients with very early AF, 262 with early AF, and 588 with late AF for radiofrequency ablation from June 2017 to December 2022. Clinical data, risk scores, and follow-up results were collected and analyzed. RESULTS Baseline characteristics were similar among the three cohorts. During a median follow-up period of 26 months, AF recurrence was observed in 61 (24.9%), 66 (25.2%), and 216 (36.7%) patients in the very early, early, and late AF cohorts, respectively. In the multivariable-adjusted model, very early and early AF were associated with a reduced risk of AF recurrence, with hazard ratios of 0.72 (95% confidence interval [CI] 0.52-0.99) and 0.57 (95% CI 0.41-0.78), respectively. The APPLE score demonstrated the highest predictive power for very early AF, with an area under the curve (AUC) of 0.74. However, its predictive power decreased with time from diagnosis, showing low predictive power for late AF (AUC = 0.58). In addition, the time-dependent concordance index showed consistent results. For very early AF, the Akaike information criterion and decision curve analysis showed that APPLE had the highest predictive value. CONCLUSION Very early AF ablation was associated with a lower recurrence rate, and the APPLE score provided a higher predictive value for these patients. (URL: https://www.chictr.org.cn/; Unique identifier: ChiCTR-OIN-17013021).
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Affiliation(s)
- Wenchao Huang
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Huaxin Sun
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Yan Luo
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Shiqiang Xiong
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Yan Tang
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Yu Long
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Zhen Zhang
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China
| | - Hanxiong Liu
- Department of Cardiology, The Third People's Hospital of Chengdu, Chengdu 610031, Sichuan, China.
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Sun S, Wang L, Lin J, Sun Y, Ma C. An effective prediction model based on XGBoost for the 12-month recurrence of AF patients after RFA. BMC Cardiovasc Disord 2023; 23:561. [PMID: 37974062 PMCID: PMC10655386 DOI: 10.1186/s12872-023-03599-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND Atrial fibrillation (AF) is a common heart rhythm disorder that can lead to complications such as stroke and heart failure. Radiofrequency ablation (RFA) is a procedure used to treat AF, but it is not always successful in maintaining a normal heart rhythm. This study aimed to construct a clinical prediction model based on extreme gradient boosting (XGBoost) for AF recurrence 12 months after ablation. METHODS The 27-dimensional data of 359 patients with AF undergoing RFA in the First Affiliated Hospital of Soochow University from October 2018 to November 2021 were retrospectively analysed. We adopted the logistic regression, support vector machine (SVM), random forest (RF) and XGBoost methods to conduct the experiment. To evaluate the performance of the prediction, we used the area under the receiver operating characteristic curve (AUC), the area under the precision-recall curve (AP), and calibration curves of both the training and testing sets. Finally, Shapley additive explanations (SHAP) were utilized to explain the significance of the variables. RESULTS Of the 27-dimensional variables, ejection fraction (EF) of the left atrial appendage (LAA), N-terminal probrain natriuretic peptide (NT-proBNP), global peak longitudinal strain of the LAA (LAAGPLS), left atrial diameter (LAD), diabetes mellitus (DM) history, and female sex had a significant role in the predictive model. The experimental results demonstrated that XGBoost exhibited the best performance among these methods, and the accuracy, specificity, sensitivity, precision and F1 score (a measure of test accuracy) of XGBoost were 86.1%, 89.7%, 71.4%, 62.5% and 0.67, respectively. In addition, SHAP analysis also proved that the 6 parameters were decisive for the effect of the XGBoost-based prediction model. CONCLUSIONS We proposed an effective model based on XGBoost that can be used to predict the recurrence of AF patients after RFA. This prediction result can guide treatment decisions and help to optimize the management of AF.
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Affiliation(s)
- ShiKun Sun
- The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Li Wang
- The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Jia Lin
- The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - YouFen Sun
- The Shengcheng Street Health Center, Shouguang, 262700, China.
| | - ChangSheng Ma
- The First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
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Liu M, Li Q, Zhang J, Chen Y. Development and Validation of a Predictive Model Based on LASSO Regression: Predicting the Risk of Early Recurrence of Atrial Fibrillation after Radiofrequency Catheter Ablation. Diagnostics (Basel) 2023; 13:3403. [PMID: 37998538 PMCID: PMC10670080 DOI: 10.3390/diagnostics13223403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/16/2023] [Accepted: 11/03/2023] [Indexed: 11/25/2023] Open
Abstract
BACKGROUND Although recurrence rates after radiofrequency catheter ablation (RFCA) in patients with atrial fibrillation (AF) remain high, there are a limited number of novel, high-quality mathematical predictive models that can be used to assess early recurrence after RFCA in patients with AF. PURPOSE To identify the preoperative serum biomarkers and clinical characteristics associated with post-RFCA early recurrence of AF and develop a novel risk model based on least absolute shrinkage and selection operator (LASSO) regression to select important variables for predicting the risk of early recurrence of AF after RFCA. METHODS This study collected a dataset of 136 atrial fibrillation patients who underwent RFCA for the first time at Peking University Shenzhen Hospital from May 2016 to July 2022. The dataset included clinical characteristics, laboratory results, medication treatments, and other relevant parameters. LASSO regression was performed on 100 cycles of data. Variables present in at least one of the 100 cycles were selected to determine factors associated with the early recurrence of AF. Then, multivariable logistic regression analysis was applied to build a prediction model introducing the predictors selected from the LASSO regression analysis. A nomogram model for early post-RFCA recurrence in AF patients was developed based on visual analysis of the selected variables. Internal validation was conducted using the bootstrap method with 100 resamples. The model's discriminatory ability was determined by calculating the area under the curve (AUC), and calibration analysis and decision curve analysis (DCA) were performed on the model. RESULTS In a 3-month follow-up of AF patients (n = 136) who underwent RFCA, there were 47 recurrences of and 89 non-recurrences of AF after RFCA. P, PLR, RDW, LDL, and CRI-II were associated with early recurrence of AF after RFCA in patients with AF (p < 0.05). We developed a predictive model using LASSO regression, incorporating four robust factors (PLR, RDW, LDL, CRI-II). The AUC of this prediction model was 0.7248 (95% CI 0.6342-0.8155), and the AUC of the internal validation using the bootstrap method was 0.8403 (95% CI 0.7684-0.9122). The model demonstrated a strong predictive capability, along with favorable calibration and clinical applicability. The Hosmer-Lemeshow test indicated that there was good consistency between the predicted and observed values. Additionally, DCA highlighted the model's advantages in terms of its clinical application. CONCLUSIONS We have developed and validated a risk prediction model for the early recurrence of AF after RFCA, demonstrating strong clinical applicability and diagnostic performance. This model plays a crucial role in guiding physicians in preoperative assessment and clinical decision-making. This novel approach also provides physicians with personalized management recommendations.
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Affiliation(s)
- Mengdie Liu
- Medicine School, Shenzhen University, Shenzhen 518000, China;
| | - Qianqian Li
- Department of Cardiovascular Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, China; (Q.L.); (J.Z.)
| | - Junbao Zhang
- Department of Cardiovascular Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, China; (Q.L.); (J.Z.)
| | - Yanjun Chen
- Department of Cardiovascular Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, China; (Q.L.); (J.Z.)
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Gu Y, Shao Y, Li S, Liu T. Research Progress of Low-Voltage Areas Associated with Atrial Fibrillation. Rev Cardiovasc Med 2023; 24:320. [PMID: 39076424 PMCID: PMC11262451 DOI: 10.31083/j.rcm2411320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/05/2023] [Accepted: 05/24/2023] [Indexed: 07/31/2024] Open
Abstract
Atrial fibrosis is an independent predictor of the recurrence of atrial fibrillation (AF) after catheter ablation. Low-voltage areas (LVA) measured during catheter ablation for AF are a commonly used surrogate for the presence of atrial fibrosis. LVA are associated with clinical outcomes and comorbidities and have links to triggering sites for AF. Several trials have shown promising data of targeting ablation in LVA, however the results have been mixed. This article will review the role of LVA in the prediction of adverse events in AF patients, including stroke, how to predict the presence of LVA, and the impact of LVA ablation on the recurrence of AF.
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Affiliation(s)
- Yunfei Gu
- Department of Cardiology, Luoyang Central Hospital Affiliated to Zhengzhou
University, 471000 Luoyang, Henan, China
- Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital
of Tianjin Medical University, 300091 Tianjin, China
| | - Yang Shao
- The Department of Cardiology, Sahlgrenska University Hospital, 41345
Gothenburg, Sweden
| | - Songsen Li
- Department of Cardiology, Luoyang Central Hospital Affiliated to Zhengzhou
University, 471000 Luoyang, Henan, China
| | - Tong Liu
- Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital
of Tianjin Medical University, 300091 Tianjin, China
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Yang Y, Liu B, Ji W, Ding J, Tao S, Lian F. Comparison of left atrial and left atrial appendage mechanics in the recurrence of atrial fibrillation after radiofrequency catheter ablation. Echocardiography 2023; 40:1048-1057. [PMID: 37548034 DOI: 10.1111/echo.15670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/15/2023] [Accepted: 07/31/2023] [Indexed: 08/08/2023] Open
Abstract
OBJECTIVES Although radiofrequency catheter ablation (RFCA) has become an important treatment strategy for paroxysmal or persistent atrial fibrillation (AF), AF recurrence after RFCA remains an important issue that plagues clinicians and patients. This study aimed to investigate the association of left atrial (LA) and left atrial appendage (LAA) mechanics with AF recurrence after RFCA and to compare their prognostic values in patients with AF undergoing RFCA. METHODS A total of 160 patients with non-valvular AF who underwent RFCA for the first time were included in this study. All patients underwent transthoracic echocardiography (TTE) and transesophageal echocardiography (TEE) before the procedure. All patients were followed up for one year after RFCA, and AF recurrence was recorded. Speckle-tracking echocardiography was used to measure LA and LAA global longitudinal strain (GLS). LA and LAA mechanical dispersion (MD) were defined as the standard deviation of time to peak strain at each segment standardized by the R-R interval. Logistic regression analysis was used to analyze independent contributors for AF recurrence after RFCA. The prediction efficiency of factors associated with the presence of AF recurrence was evaluated by the receiver operating characteristic (ROC) curve with area under curve (AUC). RESULTS During 1-year follow-up, 45 (28%) patients had recurrence, and 115 (72%) patients had no recurrence. The age, CHA2 DS2 -VASc score, NT-proBNP, LA volume index (LAVI), LA MD, and LAA MD of patients in recurrence group were significantly higher than those in no recurrent group (p < .05). The LAA emptying fraction (LAAEF), LA GLS, and LAA GLS in recurrence group were significantly lower than those in no recurrent group (p < .05). Logistic regression analysis showed that LA and LAA GLS were independent contributors for AF recurrence (p < .05), providing incremental values. The AUCs of LA and LAA GLS in predicting AF recurrence were higher than that of other factors, and the LA GLS+LAA GLS joint model had higher prediction efficiency. CONCLUSION This study demonstrated the LA and LAA GLS were independent contributors for AF recurrence after RFCA and provided incremental values. LA and LAA GLS can be used as the predictor of AF recurrence after RFCA, and they may be beneficial for the risk stratification of AF recurrence.
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Affiliation(s)
- You Yang
- Department of Ultrasonic Medicine, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Biaohu Liu
- Department of Ultrasonic Medicine, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Wenyan Ji
- Department of Ultrasonic Medicine, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Jing Ding
- Department of Ultrasonic Medicine, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Shanqiang Tao
- Department of Ultrasonic Medicine, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Feifei Lian
- Department of Ultrasonic Medicine, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
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Choi YY, Choi JI, Jeong JH, Lee HS, Kim YG, Kim MN, Roh SY, Shim J, Kim JS, Park SM, Kim YH. Impact of pulmonary artery pressure on recurrence after catheter ablation in patients with atrial fibrillation. Front Cardiovasc Med 2023; 10:1187774. [PMID: 37731524 PMCID: PMC10507172 DOI: 10.3389/fcvm.2023.1187774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 08/02/2023] [Indexed: 09/22/2023] Open
Abstract
Background The pulmonary veins play a major role in the pathogenesis of atrial fibrillation (AF) and may be affected by cardiac remodeling due to pulmonary vascular dysfunction. It remains to be determined whether pulmonary artery pressure (PAP) is associated with the recurrence of AF after radiofrequency catheter ablation (RFCA). Methods Consecutive patients with paroxysmal and persistent AF who underwent RFCA, including wide circumferential pulmonary vein isolation, were analyzed. Systolic PAP was measured using transthoracic echocardiography, and clinical outcomes were compared between patients with PAP <35 mmHg and those with PAP ≥35 mmHg. Results Among 2,379 patients (mean age 56.7 ± 10.6 years, 77% men), 1,893 (79.6%) had PAP <35 mmHg and 486 (20.4%) had PAP ≥35 mmHg. During the median follow-up of 25.4 months, in patients with paroxysmal AF (n = 1,294), the recurrence rate was significantly greater in the PAP ≥35 mmHg group than in the PAP <35 mmHg group (35.1% vs. 23.8%, log-rank p = 0.008). However, in patients with persistent AF (n = 1,085), the recurrence rate was not significantly different between the two groups (52.2% vs. 49.7%, log-rank p = 0.409). Multivariate analysis using Cox regression showed that PAP ≥35 mmHg was significantly associated with clinical recurrence (hazard ratio 1.19, 95% confidence interval 1.02-1.40, p = 0.027). Conclusion This study showed that a higher PAP was associated with an increased risk of recurrence after RFCA in patients with paroxysmal AF, suggesting a mechanism by which a pulmonary vascular pathology may cause impairment of the pulmonary veins and remodeling of the left atrium.
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Affiliation(s)
| | - Jong-Il Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medical Center, Seoul, Republic of Korea
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Jing M, Li D, Xi H, Zhang Y, Zhou J. Value of Imaging in the Non-Invasive Prediction of Recurrence after Catheter Ablation in Patients with Atrial Fibrillation: An Up-to-Date Review. Rev Cardiovasc Med 2023; 24:241. [PMID: 39076720 PMCID: PMC11266785 DOI: 10.31083/j.rcm2408241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/06/2023] [Accepted: 03/14/2023] [Indexed: 07/31/2024] Open
Abstract
Catheter ablation (CA) is the first-line treatment for atrial fibrillation (AF) patients. However, the risk of recurrence associated with CA treatment should not be ignored. Therefore, the preoperative identification of patients at risk of recurrence is essential for identifying patients who will benefit from non-invasive surgery. Echocardiography, computed tomography (CT), and magnetic resonance imaging (MRI) are essential for the preoperative non-invasive prediction of AF recurrence after CA. Compared to laboratory examinations and other examination methods, these modalities can identify structural changes in the heart and assess functional variations. Accordingly, in past studies, morphological features, quantitative parameters, and imaging information of the heart, as assessed by echocardiography, CT, and MRI, have been used to predict AF recurrence after CA noninvasively. This review summarizes and discusses the current research on echocardiography, CT, MRI, and machine learning for predicting AF recurrence following CA. Recommendations for future research are also presented.
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Affiliation(s)
- Mengyuan Jing
- Department of Radiology, Lanzhou University Second Hospital, 730030 Lanzhou, Gansu, China
- Second Clinical School, Lanzhou University, 730030 Lanzhou, Gansu, China
- Key Laboratory of Medical Imaging of Gansu Province, 730030 Lanzhou, Gansu, China
- Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, 730030 Lanzhou, Gansu, China
| | - Dong Li
- Department of Cardiovascular Medicine, Lanzhou University Second Hospital, 730030 Lanzhou, Gansu, China
| | - Huaze Xi
- Department of Radiology, Lanzhou University Second Hospital, 730030 Lanzhou, Gansu, China
- Second Clinical School, Lanzhou University, 730030 Lanzhou, Gansu, China
- Key Laboratory of Medical Imaging of Gansu Province, 730030 Lanzhou, Gansu, China
- Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, 730030 Lanzhou, Gansu, China
| | - Yuting Zhang
- Department of Radiology, Lanzhou University Second Hospital, 730030 Lanzhou, Gansu, China
- Second Clinical School, Lanzhou University, 730030 Lanzhou, Gansu, China
- Key Laboratory of Medical Imaging of Gansu Province, 730030 Lanzhou, Gansu, China
- Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, 730030 Lanzhou, Gansu, China
| | - Junlin Zhou
- Department of Radiology, Lanzhou University Second Hospital, 730030 Lanzhou, Gansu, China
- Second Clinical School, Lanzhou University, 730030 Lanzhou, Gansu, China
- Key Laboratory of Medical Imaging of Gansu Province, 730030 Lanzhou, Gansu, China
- Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, 730030 Lanzhou, Gansu, China
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Horde GW, Ayyala D, Maddux P, Gopal A, White W, Berman AE. Creation and Validation of an Algorithm for Predicting the Recurrence of Atrial Fibrillation Following Pulmonary Vein Isolation by Utilizing Real-World Data and Ensemble Modeling Techniques. Cureus 2023; 15:e43234. [PMID: 37577270 PMCID: PMC10415965 DOI: 10.7759/cureus.43234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/08/2023] [Indexed: 08/15/2023] Open
Abstract
Introduction Catheter ablation (CA) of atrial fibrillation (AF) represents a mainstay in the treatment of this increasingly prevalent arrhythmia. Prospective clinical trials investigating the efficacy of CA may poorly represent real-world patient populations. However, many real-world clinical datasets possess missing data, which may impede their applicability in research. Thus, we sought to use ensemble modeling to address missing data and develop a model to estimate the probability of AF recurrence following CA. Methods We retrospectively analyzed clinical variables in 476 patients who underwent an initial CA of AF. Univariate and multivariate logistic regression was performed to determine those variables predictive of AF recurrence. A multivariate logistic model was created to estimate the probability of AF recurrence after CA. Missing data were addressed using ensemble modeling, and variable selection was performed using the aggregate of multiple models. Results After analysis, six variables remained in the model: AF during the post-procedural blanking period, coexistence of atrial flutter, end-stage renal disease, reduced left ventricular ejection fraction, prior failure of anti-arrhythmic drugs, and valvular heart disease. Predictive modeling was performed using these variables for 1000 randomly partitioned datasets (80% training, 20% testing) and 1000 random imputations for each partitioned dataset. The model predicted AF recurrence with an accuracy of 74.34 ± 3.99% (recall: 54.03 ± 8.15%; precision: 89.30 ± 4.21%; F1 score: 81.08 ± 3.65%). Conclusion We successfully identified six clinical variables that, when modeled, predicted AF recurrence following CA with a high degree of classification accuracy. Application of this model to patients undergoing CA of AF may help identify those at risk of post-procedural AF recurrence.
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Affiliation(s)
- Gaither W Horde
- Department of Medicine, Augusta University Medical College of Georgia, Augusta, USA
| | - Deepak Ayyala
- Department of Population Health Sciences, Augusta University Medical College of Georgia, Augusta, USA
| | - Paul Maddux
- Department of Medicine, Augusta University Medical College of Georgia, Augusta, USA
| | - Aaron Gopal
- Department of Medicine, Augusta University Medical College of Georgia, Augusta, USA
| | - William White
- Department of Medicine, Augusta University Medical College of Georgia, Augusta, USA
| | - Adam E Berman
- Department of Medicine, Augusta University Medical College of Georgia, Augusta, USA
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Kogan A, Grupper A, Sabbag A, Ram E, Jamal T, Nof E, Fisman EZ, Levin S, Beinart R, Frogel J, Raanani E, Sternik L. Surgical ablation for atrial fibrillation: impact of Diabetes Mellitus type 2. Cardiovasc Diabetol 2023; 22:77. [PMID: 37004023 PMCID: PMC10067240 DOI: 10.1186/s12933-023-01810-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 03/20/2023] [Indexed: 04/03/2023] Open
Abstract
BACKGROUND Diabetes mellitus (DM) type 2 is an independent risk factor for atrial fibrillation (AF). Surgical ablation or "maze procedure" is an option for patients with AF undergoing concomitant or isolated cardiac surgery. The aim of this study was to evaluate the impact of DM type 2 on early and long-term outcomes of patients following surgical AF ablation. METHODS We performed an observational cohort study in Israel's largest tertiary care center. All data of patients who underwent surgical AF ablation, between 2006 and 2021 were extracted from our departmental database. Patients were divided into Group I (non-diabetic patients) and Group II (DM type 2 patients). We compared the two groups with respect to freedom from recurrent atrial arrhythmia, and mortality rate. RESULTS The study population included 606 patients. Group I (non-DM patients), consisting of 484 patients, and Group II (DM type 2 patients), comprised 122 patients. Patients with DM were older, had more hypertension and incidence of cerebrovascular accident (CVA)/transient ischemic attack (TIA), higher EuroSCORE (p < .05 for all), and a longer bypass time-130 ± 40 vs. 122 ± 36 min (p = 0.028). The mean follow-up duration was 39.0 ± 22.7 months. Freedom from atrial fibrillation was similar between the non-DM and DM type 2 groups after a 1-year follow-up, 414 (88.2%) vs. 101 (87.1%) (p = 0.511), after a 3-year follow-up, 360 (86.3%) vs. 84 (79.9%) (p = 0.290) and after a 5-year follow-up, 226 (74.1%) vs. 55 (71.5%) (p = 0.622) respectively. Furthermore, 1- and 3-year mortality was similar between non-DM and DM type 2 groups, 2.5% vs. 4.9%, (p = 0.226) and 5.6% vs. 10.5% (p = 0.076) respectively. 5-year mortality was higher in Group II (DM type 2 patients) compared with Group I (non-DM patients), 11.1% vs. 23.4% (p = 0.009). CONCLUSION Surgical ablation had a high success rate, with freedom from recurrent atrial arrhythmia at 1- 3- and 5- years follow-up in both the DM type 2 and non-DM groups. Furthermore,1- and 3-year mortality after surgical ablation was also similar in both groups. However, 5-year mortality was higher in the DM type 2 group.
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Affiliation(s)
- Alexander Kogan
- Department of Cardiac Surgery, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel.
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Avishay Grupper
- Division of Cardiology, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Avi Sabbag
- Division of Cardiology, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eilon Ram
- Department of Cardiac Surgery, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tamer Jamal
- Department of Cardiac Surgery, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eyal Nof
- Division of Cardiology, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Enrique Z Fisman
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shany Levin
- Department of Cardiac Surgery, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
| | - Roy Beinart
- Division of Cardiology, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan Frogel
- Department of Anesthesiology, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ehud Raanani
- Department of Cardiac Surgery, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Leonid Sternik
- Department of Cardiac Surgery, Sheba Medical Center at Tel Hashomer, 52621, Ramat Gan, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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11
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Silva MR, Silva GS, Fernandes S, Almeida J, Fonseca P, Oliveira M, Gonçalves H, Saraiva F, Barros AS, Teixeira PG, Lopes RL, Sampaio F, Diaz SO, Primo J, Fontes-Carvalho R. Clinical relevance of the blanking period on late recurrence after catheter ablation of atrial fibrillation. J Cardiovasc Electrophysiol 2023; 34:24-34. [PMID: 36317466 DOI: 10.1111/jce.15729] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/06/2022] [Accepted: 10/25/2022] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Recurrence of atrial fibrillation (AF) within the blanking period after catheter ablation (CA) is traditionally classified as a transient and benign event. However, recent findings suggest that early recurrence (ER) is associated with late recurrence (LR), challenging the predefined "blanking period". We aimed to determine the clinical and procedural predictors of ER and LR after CA and establish the risk of LR in patients who experience ER. METHODS AND RESULTS Retrospective single-centre study including all patients who underwent a first procedure of AF CA between 2017 and 2019. ER was defined as any recurrence of AF, atrial flutter or atrial tachycardia >30 s within 90 days after CA and LR as any recurrence after 90 days of CA. A total of 399 patients were included, 37% women, median age of 58 years [49-66] and 77% had paroxysmal AF. Median follow-up was 33 months (from 13 to 61). ER after CA was present in 14% of the patients, and LR was reported in 32%. Among patients who experienced ER, 84% also had LR (p < .001). Patients with ER had a higher prevalence of moderate/severe valvular heart disease, persistent AF, previous electrical cardioversion, a larger left atrium, higher coronary artery calcium score, and higher rates of intraprocedural electrical cardioversion and cardiac fibrosis on eletroanatomical mapping compared with patients without ER. After covariate adjustment, ER and female sex were defined as independent predictors of LR (hazard ratio [HR] 4.69; 95% confidence interval [CI], 2.99-7.35; p < .001 and HR 2.73; 95% CI, 1.47-5.10; p = .002, respectively). CONCLUSION The risk of LR after an index procedure of CA was significantly higher in patients with ER (five-fold increased risk). These results support the imperative need to clarify the clinical role of the blanking period.
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Affiliation(s)
- Mariana R Silva
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Gualter S Silva
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Sara Fernandes
- Department of Cardiology, Centro Hospitalar de Leiria, Leiria, Portugal
| | - João Almeida
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Paulo Fonseca
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Marco Oliveira
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Helena Gonçalves
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Francisca Saraiva
- Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - António S Barros
- Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Pedro G Teixeira
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.,Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Ricardo L Lopes
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.,Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Francisco Sampaio
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.,Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Sílvia O Diaz
- Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - João Primo
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | - Ricardo Fontes-Carvalho
- Department of Cardiology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.,Department of Surgery and Physiology, Cardiovascular Research and Development Centre - UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
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12
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Skybchyk YV, Mikhaliev КО, Zharinov OJ. ASSOCIATION OF LEFT ATRIAL SPONTANEOUS ECHO CONTRAST WITH CLINICAL AND HEMODYNAMIC CHARACTERISTICS OF PATIENTS WITH LONG-TERM EPISODES OF PERSISTENT ATRIAL FIBRILLATION. WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2022; 75:2652-2657. [PMID: 36591749 DOI: 10.36740/wlek202211118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE The aim: To identify clinical and hemodynamic factors, associated with left atrial spontaneous echo contrast (LASEC) (LASEC in general, and the dense LASEC), in non-valvular persistent atrial fibrillation (AF) patients with the duration of AF episode ≥90 days. PATIENTS AND METHODS Materials and methods: The cross-sectional study consecutively enrolled 115 persistent AF patients with the duration of its episode ≥90 days (82 (71,3 %) males; mean age 59 ± 11 years). Transthoracic (TEE) and transesophageal echocardiography (TEE) were performed. LASEC (by TEE) was observed in 79 (68,7 %) patients. The dense (moder¬ate-to-severe) LASEC was detected in 23 (20,0 %) cases. RESULTS Results: Heart failure (HF) stage C (OR 2,09 (95 % CI 1,24-3,53); p=0,006), lower TEE-derived left atrial appendage (LAA) flow velocity (FV) (OR 0,94 (95 % CI 0,91-0,98); p=0,003), and the presence of TTE-derived pulmonary hypertension (PH), appeared to be strongly associated with LASEC (AUC for logistic regression model: 0,83 [95 % СI 0,75- 0,89]). The presence of diabetes mellitus type 2 (DM) (OR 2,34 (95 % CI 1,13-4,86); p=0,027), along with lower LAA FV (OR 0,83 (95 % CI 0,76-0,91); p<0,001), were strongly associated with dense LASEC (AUC: 0,89 [95 % CI 0,82-0,94]). CONCLUSION Conclusions: The TEE-derived LASEC in patients with long term episodes (≥90 days) of persistent AF was strongly associated with HF stage C and TTE-derived PH, and with lower TEE-derived LAA FV. The presence of DM, in addition to lower LAA FV, was related to dense LASEC.
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Affiliation(s)
- Yaroslav V Skybchyk
- SHUPYK NATIONAL HEALTHCARE UNIVERSITY OF UKRAINE STATE ADMINISTRATIVE DEPARTMENT, KYIV, UKRAINE; HEART INSTITUTE OF THE MINISTRY OF HEALTH OF UKRAINE, KYIV, UKRAINE
| | - Кyrylo О Mikhaliev
- STATE INSTITUTION OF SCIENCE «RESEARCH AND PRACTICAL CENTER OF PREVENTIVE AND CLINICAL MEDICINE», KYIV, UKRAINE
| | - Oleg J Zharinov
- SHUPYK NATIONAL HEALTHCARE UNIVERSITY OF UKRAINE STATE ADMINISTRATIVE DEPARTMENT, KYIV, UKRAINE; HEART INSTITUTE OF THE MINISTRY OF HEALTH OF UKRAINE, KYIV, UKRAINE
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13
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Han S, Liu M, Jia R, Cen Z, Guo R, Liu G, Cui K. Left atrial appendage function and structure predictors of recurrent atrial fibrillation after catheter ablation: A meta-analysis of observational studies. Front Cardiovasc Med 2022; 9:1009494. [PMCID: PMC9632352 DOI: 10.3389/fcvm.2022.1009494] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background The results of studies evaluating the left atrial appendage (LAA) function and structure as predictors of atrial fibrillation (AF) recurrence after catheter ablation (CA) are contradictory. Therefore, we performed a meta-analysis to assess whether the LAA function and structure can predict the recurrence of AF after CA. Methods The PubMed, EMBASE, Web of Science, and Cochrane library databases were used to conduct a comprehensive literature search. Finally, 37 studies encompassing 11 LAA parameters were included in this meta-analysis. Results Compared with those in the non-recurrence group, the recurrence group had increased LAA volume (SMD 0.53, 95% CI [0.36, 0.71] p < 0.00001), LAA volume index, LAA orifice area, and LAA orifice short/long axis and decreased LAA emptying flow velocity (SMD -0.54, 95% CI [-0.68, -0.40], P < 0.00001), LAA filling flow velocity, and LAA ejection fraction, while there was no significant difference in LAA morphology or LAA depth. Conclusion Large LAA structure of pre-ablation (LAA volume, orifice area, orifice long/short axis, and volume index) and decreased LAA function of pre-ablation (LAA emptying flow velocity, filling flow velocity, ejection fraction, and LASEC) increase the odds of AF recurrence after CA. Systematic review registration [https://www.crd.york.ac.uk/prospero/], identifier [CRD42022324533].
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Affiliation(s)
- Shaojie Han
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Ming Liu
- Interventional Operating Room, Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Ruikun Jia
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhifu Cen
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Ran Guo
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Guobin Liu
- Department of Cardiology, The First People’s Hospital of Jintang County, Chengdu, China
- *Correspondence: Guobin Liu,
| | - Kaijun Cui
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Guobin Liu,
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14
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Clinical Significance of Adenosine-Induced Atrial Fibrillation after Complete Pulmonary Vein Isolation. J Clin Med 2022; 11:jcm11195679. [PMID: 36233544 PMCID: PMC9570534 DOI: 10.3390/jcm11195679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/24/2022] [Accepted: 09/05/2022] [Indexed: 11/26/2022] Open
Abstract
Background: Adenosine can cause dormant electrical conduction between the pulmonary vein and left atrium after pulmonary vein isolation (PVI). Adenosine can also induce atrial fibrillation (AF) during catheter ablation. However, the clinical outcomes and effects of additional ablation for the trigger sites of adenosine-induced AF (AIAF) are unknown. This study therefore aimed to evaluate the clinical significance of AIAF. Methods: Between January 2010 and September 2019, we analyzed 616 consecutive patients with paroxysmal AF (PAF) who underwent radiofrequency catheter ablation (RFCA), including wide-area circumferential pulmonary vein isolation (PVI) and post-PVI adenosine testing. Results: Among 616 patients, 134 (21.7%) and 34 (5.5%) showed dormant conduction and AIAF, respectively. Eight patients (1.3%) had both dormant conduction and AIAF. The AF recurrence rate was not significantly different between patients with and without AIAF (16.7% vs. 18.6%, log-rank p = 0.827) during a mean follow-up period of 17.9 ± 18 months. Additional RFCA for the trigger site was attempted in 10 patients with AIAF; however, the recurrence rate of atrial arrhythmias was also not different between the groups with and without additional ablation (20% vs. 16.7%, log-rank p = 0.704). Conclusions: AIAF after PVI was not clinically associated with recurrence during long-term follow-up. Ablation of the trigger site in AIAF did not improve the clinical outcomes.
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15
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Deep Learning Model for Predicting Rhythm Outcomes after Radiofrequency Catheter Ablation in Patients with Atrial Fibrillation. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:2863495. [PMID: 36124238 PMCID: PMC9482516 DOI: 10.1155/2022/2863495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/02/2022] [Accepted: 08/20/2022] [Indexed: 11/18/2022]
Abstract
Current guidelines on atrial fibrillation (AF) emphasized that radiofrequency catheter ablation (RFCA) should be decided after fully considering its prognosis. However, a robust prediction model reflecting the complex interactions between the features affecting prognosis remains to be developed. In this paper, we propose a deep learning model for predicting the late recurrence after RFCA in patients with AF. Aiming to predict the late recurrence (LR) of AF within 1 year after pulmonary vein isolation, we designed a multimodal model based on the multilayer perceptron architecture. For quantitative evaluation, we conducted 4-fold cross-validation on data from 177 AF patients including 47 LR patients. The proposed model (area under the receiver operating characteristic curve-AUROC, 0.766) outperformed the acute patient physiologic and laboratory evaluation (APPLE) score (AUROC, 0.605), CHA2DS2-VASc score (AUROC, 0.595), linear regression (AUROC, 0.541), logistic regression (AUROC, 0.546), extreme gradient boosting (AUROC, 0.608), and support vector machine (AUROC, 0.638). The proposed model exhibited better performance than clinical indicators (APPLE and CHA2DS2-VASc score) and machine learning techniques (linear regression, logistic regression, extreme gradient boosting, and support vector machine). The model will support clinical decision-making for selecting good responders to the RFCA intervention.
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16
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Chen P, Shi Y, Ju J, Pan D, Miao L, Guo X, Chen Z, Du J. Left atrial appendage flow velocity predicts recurrence of atrial fibrillation after catheter ablation: A systematic review and meta-analysis. Front Cardiovasc Med 2022; 9:971848. [PMID: 36148065 PMCID: PMC9485569 DOI: 10.3389/fcvm.2022.971848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose There is increasing evidence that left atrial appendage flow velocity (LAAFV) is linked to the recurrence of atrial fibrillation (AF) after catheter ablation (CA), suggesting the potential predictable significance of LAAFV in this setting. We performed a systematic review and meta-analysis to assess whether LAAFV is association with AF recurrence after CA. Methods Up to May 1, 2022, six databases (PubMed, EMBASE, Web of Science, Cochrane Library, Scopus, and CINAHL) were searched for literature reporting the association between LAAFV and AF recurrence after CA. All statistical analyses were carried out using STATA version 16 software. Heterogeneity was determined by the Cochrane’s Q test and I2 statistics. The Newcastle-Ottawa Scale (NOS) was used to assess the methodological quality of each included study, and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) method was adopted to evaluate the quality of evidence. Result Sixteen studies with 5,006 AF patients after CA (1,479 patients with AF recurrence, 3,527 without AF recurrence) were included in the meta-analysis. The meta-analysis of 15 studies (16 data sets) showed that patients with recurrence exhibited lower LAAFV values than those without recurrence [standardized mean difference (SMD): −0.65, 95% CI: −0.88 to −0.42, P < 0.01]. Moreover, we evaluated the association of LAAFV and the risk of AF recurrence after CA. Nine studies (11 data sets) defined LAAFV as continuous variables, and the pooled analysis suggested that for every 1 cm/s rise in LAAFV values, the risk of AF recurrence after CA decreased by 3% [Odds Ratio (OR): 0.97, 95% CI: 0.95 to 0.99, P < 0.01]. Seven studies defined LAAFV as categorical variables, and the pooled analysis showed that lower LAAFV were associated with an increased risk of AF recurrence after CA [OR: 2.28, 95% CI: 1.46 to 3.57, P < 0.01]. The subgroup analyses showed that the association between LAAFV and AF recurrence after CA was not significantly affected by the AF type and ablation procedure. The NOS indicated that included studies were moderate to high quality, while the GRADE assessment suggested a low certainty of the evidence. Conclusion Lower LAAFV may be associated with an increased risk of AF recurrence after CA. Further studies with well designed and randomized studies for LAAFV should be conducted. Systematic review registration [https://www.crd.york.ac.uk/PROSPERO/], identifier [CRD42022333627].
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Affiliation(s)
- Pengfei Chen
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yujiao Shi
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jianqing Ju
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Cardiovascular Diseases Center, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Deng Pan
- Beijing University of Traditional Chinese Medicine, Beijing, China
| | - Lina Miao
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Beijing University of Traditional Chinese Medicine, Beijing, China
| | - Xiaolin Guo
- Shanxi University of Traditional Chinese Medicine, Taiyuan, China
| | - Zhuhong Chen
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Cardiovascular Diseases Center, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Zhuhong Chen,
| | - Jianpeng Du
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Cardiovascular Diseases Center, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Jianpeng Du,
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17
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Tilly MJ, Lu Z, Geurts S, Ikram MA, Stricker BH, Kors JA, de Maat MPM, de Groot NMS, Kavousi M. Atrial fibrillation patterns and their cardiovascular risk profiles in the general population: the Rotterdam study. Clin Res Cardiol 2022:10.1007/s00392-022-02071-6. [PMID: 35948741 DOI: 10.1007/s00392-022-02071-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 07/20/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Clinical guidelines categorize atrial fibrillation (AF) based on the temporality of AF events. Due to its dependence on event duration, this classification is not applicable to population-based cohort settings. We aimed to develop a simple and standardized method to classify AF patterns at population level. Additionally, we compared the longitudinal trajectories of cardiovascular risk factors preceding the AF patterns, and between men and women. METHODS Between 1990 and 2014, participants from the population-based Rotterdam study were followed for AF status, and categorized into 'single-documented AF episode', 'multiple-documented AF episodes', or 'long-standing persistent AF'. Using repeated measurements we created linear mixed-effects models to assess the longitudinal evolution of risk factors prior to AF diagnosis. RESULTS We included 14,061 participants (59.1% women, mean age 65.4 ± 10.2 years). After a median follow-up of 9.4 years (interquartile range 8.27), 1,137 (8.1%) participants were categorized as 'single-documented AF episode', 208 (1.5%) as 'multiple-documented AF episodes', and 57 (0.4%) as 'long-standing persistent AF'. In men, we found poorer trajectories of weight and waist circumference preceding 'long-standing persistent AF' as compared to the other patterns. In women, we found worse trajectories of all risk factors between 'long-standing persistent AF' and the other patterns. CONCLUSION We developed a standardized method to classify AF patterns in the general population. Participants categorized as 'long-standing persistent AF' showed poorer trajectories of cardiovascular risk factors prior to AF diagnosis, as compared to the other patterns. Our findings highlight sex differences in AF pathophysiology and provide insight into possible risk factors of AF patterns.
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Affiliation(s)
- Martijn J Tilly
- Department of Epidemiology, Erasmus MC University Medical Center, Office Na-2714, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Zuolin Lu
- Department of Epidemiology, Erasmus MC University Medical Center, Office Na-2714, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Sven Geurts
- Department of Epidemiology, Erasmus MC University Medical Center, Office Na-2714, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC University Medical Center, Office Na-2714, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Bruno H Stricker
- Department of Epidemiology, Erasmus MC University Medical Center, Office Na-2714, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Jan A Kors
- Department of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Moniek P M de Maat
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Natasja M S de Groot
- Department of Cardiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Maryam Kavousi
- Department of Epidemiology, Erasmus MC University Medical Center, Office Na-2714, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.
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18
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Simu G, Deneke T, Ene E, Nentwich K, Berkovitz A, Sonne K, Halbfass P, Arvaniti E, Waechter C, Müller J. Empirical superior vena cava isolation in patients undergoing repeat catheter ablation procedure after recurrence of atrial fibrillation. J Interv Card Electrophysiol 2022; 65:551-558. [PMID: 35857220 DOI: 10.1007/s10840-022-01301-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/07/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Although the ectopic foci responsible for initiating atrial fibrillation (AF) are usually located in the pulmonary veins (PVs), non-PV sources may initiate AF in approximately 11% of unselected patients with paroxysmal or persistent AF. The superior vena cava (SVC) is one of the most frequent non-PV origins for initiating AF. This study aims to investigate the effect of empirical SVC isolation in redo AF ablation procedures. METHODS Consecutive patients undergoing redo AF ablation procedures using a high-power short-duration protocol (HPSD) (50 W; ablation index guided; target AI 350 for posterior wall ablation, AI 450 for anterior wall ablation; CARTO 3 mapping system) were included. Patients with SVC isolation were compared to patients without SVC isolation. Periprocedural parameters and complications were recorded and analyzed. Short-term endpoints included intrahospital AF recurrence, midterm endpoint AF freedom after 3 months, and long-term endpoint AF freedom after 12 months. RESULTS A total of 276 patients underwent repeat ablation for recurrent AF (67 ± 10 years; 57% male; 31.5% paroxysmal AF). The patients were divided into two groups: redo procedures with SVC isolation vs redo procedure without SVC isolation. Additional LA substrate modification was done based on intraprocedural voltage maps. Baseline characteristics did not differ significantly between the two groups. Median procedure time was 85.4 ± 27.1 min with ablation times of 14.0 ± 8.5 min. Intrahospital AF recurrence occurred in 32 patients (12%) with no difference among both groups: 17 patients (13%) SVC vs 15 patients (10%) No-SVC; p = 0.416. At 3-month follow-up, 47 (17%) presented an AF recurrence during the blanking period: 25 patients (19%) SVC vs 22 patients (15%) No-SVC; p = 0.304). After 12 months, 202 (73%) of all patients were in stable sinus rhythm with no significant difference between the two groups: 93 patients (73%) SVC vs 109 patients (74%) No-SVC; p = 0.853). No significant differences were noted when dividing the patients in paroxysmal or persistent AF with and without SVC isolation. CONCLUSIONS In our series of repeat AF ablation procedures, the addition of empirical SVC isolation to Re-PVI and LA substrate modification did not influence AF recurrence rates. This strategy can however be safe and useful in patients in whom SVC is identified as a trigger of AF.
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Affiliation(s)
- Gelu Simu
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
- 5Th Department of Internal Medicine, Cardiology-Rehabilitation, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400066, Cluj-Napoca, Romania
| | - Thomas Deneke
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
| | - Elena Ene
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
| | - Karin Nentwich
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Artur Berkovitz
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
| | - Kai Sonne
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
| | - Philipp Halbfass
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Eleni Arvaniti
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany
| | - Christian Waechter
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Julian Müller
- Clinic for Interventional Electrophysiology, Heart Centre Bad Neustadt, 97616, Bad Neustadt a. d. Saale, Germany.
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany.
- First Department of Medicine, University Medical Centre Mannheim (UMM), Mannheim, Germany.
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19
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Li Y, Han B, Li J, Ge F, Yang L. Value of echocardiography in evaluating efficacy of radiofrequency catheter ablation in patients with atrial fibrillation. Am J Transl Res 2022; 14:1778-1787. [PMID: 35422929 PMCID: PMC8991163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVE To analyze the cardiac structure and function of patients with recurrent atrial fibrillation (AF) after radiofrequency catheter ablation (RFCA) with echocardiography and to predict the factors affecting recurrence. METHODS In this retrospective study, 87 patients who received RFCA for AF in the Weihai Municipal Hospital from June 2018 to December 2019 were enrolled. According to the recovery of postoperative sinus rhythm (SR), patients with recovered SR were assigned to the research group (Res group, n=60), while those with AF recurrence were included in the control group (Con group, n=27). The transthoracic echocardiography was adopted to measure the changes of left atrium-related parameters of patients before RFCA and at 6 months after surgery, and the transesophageal three-dimensional echocardiography was adopted for measuring the changes of left atrial appendage (LAA)-related parameters. In addition, multivariate logistic regression was performed to analyze the factors influencing postoperative recurrence of AF. RESULTS After 6-month follow up, SR was restored in 60 cases and AF recurred in 27 cases. After surgery, the left atrial anteroposterior diameter (LAAPD), left atrial left and right diameter (LALRD), left atrial up and down diameter (LAUDD), maximum volume of left atrium (LAVmax), minimum volume of left atrium (LAVmin), opening diameter of LAA (LAAOD), maximum volume of LAA (LAAVmax), and minimum volume of LAA (LAAV min) of the Res group decreased, and were lower than those of the Con group. In addition, the left atrial ejection fraction (LAEF), vessel function index and dilatation index of the Res group increased significantly postoperatively, and were higher than those of the Con group. The Res group also showed significantly higher LAA area change percentage [LAAAC (%)] and LAA emptying velocity (LAAEV) than the Con group. Moreover, age, history of hypertension, LAVmax and LAAAC (%) were identified to be the independent risk factors for postoperative recurrence of AF. CONCLUSION Patients with increased left atrial diameter and volume, large LAAOD, and small ejection fraction are more susceptible to AF recurrence, and LAAOD is a predictor of postoperative recurrence of AF.
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Affiliation(s)
- Ying Li
- Department of Cardiac Ultrasound, Weihai Municipal Hospital, Cheeloo College of Medicine, Shangdong UniversityWeihai 264200, Shangdong Province, China
| | - Bing Han
- Department of Ultrasound, Weihai Municipal Hospital, Cheeloo College of Medicine, Shangdong UniversityWeihai 264200, Shangdong Province, China
| | - Jinfang Li
- Department of Cardiac Ultrasound, Weihai Municipal Hospital, Cheeloo College of Medicine, Shangdong UniversityWeihai 264200, Shangdong Province, China
| | - Fei Ge
- Department of Cardiac Ultrasound, Weihai Municipal Hospital, Cheeloo College of Medicine, Shangdong UniversityWeihai 264200, Shangdong Province, China
| | - Lianwei Yang
- Department of Cardiology Group Two, Weihai Municipal Hospital, Cheeloo College of Medicine, Shangdong UniversityWeihai 264200, Shangdong Province, China
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20
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Kim YG, Choi HY, Shim J, Min K, Choi YY, Choi JI, Kim YH. Electrical Remodeling of Left Atrium Is a Better Predictor for Recurrence Than Structural Remodeling in Atrial Fibrillation Patients Undergoing Radiofrequency Catheter Ablation. Korean Circ J 2022; 52:368-378. [PMID: 35129318 PMCID: PMC9064696 DOI: 10.4070/kcj.2021.0323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/29/2021] [Accepted: 12/01/2021] [Indexed: 11/20/2022] Open
Abstract
We demonstrated that the electrical remodeling represented by low voltage zone is a better marker for the prediction of recurrence after radiofrequency catheter ablation as compared with structural remodeling measured by left atrium (LA) diameter. The study provides important clue that further deep dive into LA substrate research will be important to improve success rate of non-paroxysmal atrial fibrillation ablation. Background and Objectives Recurrence rates after radiofrequency catheter ablation (RFCA) in atrial fibrillation (AF) patients are not low especially in non-paroxysmal AF. The diameter of left atrium (LA) has been widely used to predict the recurrence after RFCA for decades. However, LA diameter represents structural remodeling of LA and does not reflect electrical remodeling. We aimed to determine the predictive value of electrical remodeling of LA which is represented by the amount of low voltage zone (LVZ). Methods We performed a retrospective cohort analysis of AF patients who underwent de novo RFCA in a single-center. Results A total of 3,120 AF patients with de novo RFCA were analyzed. Among these patients, 537 patients underwent an electroanatomic mapping with bipolar voltage measurement of LA. The diameter of LA and flow velocity of LA appendage (LAA) differed significantly according to quartile group of LVZ area and percentage: patients with high LVZ had large LA diameter and low LAA flow velocity (p<0.001). Freedom from late recurrence (LR) was significantly lower in patients with high LVZ area and percentage (p<0.001). The diameter and surface area of LA had area under curve (AUC) of 0.592 and 0.593, respectively (p=0.002 for both). The predictive value of LVZ area (AUC, 0.676) and percentage (AUC, 0.671) were both superior compared with LA diameter (p=0.011 and 0.027 for each comparison). Conclusions In conclusion, LVZ can predict freedom from LR after RFCA in AF patients. Predictive value was higher in parameters reflecting electrical rather than structural remodeling of LA.
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Affiliation(s)
- Yun Gi Kim
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
| | - Ha Young Choi
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
| | - Jaemin Shim
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
| | - Kyongjin Min
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
| | - Yun Young Choi
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
| | - Jong-Il Choi
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
| | - Young-Hoon Kim
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Korea
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21
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Im SI, Park KM. What Is Better Predictor of Late Recurrence after Radiofrequency Catheter Ablation for Atrial Fibrillation? Korean Circ J 2022; 52:379-381. [PMID: 35502568 PMCID: PMC9064699 DOI: 10.4070/kcj.2022.0008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/16/2022] [Accepted: 03/24/2022] [Indexed: 11/30/2022] Open
Affiliation(s)
- Sung Il Im
- Division of Cardiology, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea
| | - Kyoung-Min Park
- Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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22
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Yang W, Zhao Q, Yao M, Li X, Zhang Y, Liu C, Shan Z, Wang Y. The prognostic significance of left atrial appendage peak flow velocity in the recurrence of persistent atrial fibrillation following first radiofrequency catheter ablation. J Thorac Dis 2021; 13:5954-5963. [PMID: 34795943 PMCID: PMC8575843 DOI: 10.21037/jtd-21-1363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/27/2021] [Indexed: 11/28/2022]
Abstract
Background Atrial fibrillation (AF) relapse following radiofrequency catheter ablation (RFCA) for persistent atrial fibrillation (PeAF) continues to be a concern. This study establishes a connection between left atrial appendage peak flow velocity (LAAV) and recurrence of AF in individuals having PeAF following first RFCA. Methods We retrospectively studied 164 successive PeAF patients who had first RFCA between January 2018 and December 2019. Before the ablation, the LAAV was recorded using transesophageal echocardiography (TEE). The demographic and clinical data of the individuals were gathered. Participants were monitored at regular intervals to monitor for recurrence of AF. We employed Cox proportional hazards regression to determine if LAAV, as well as other clinical indicators, were predictive of AF recurrence in follow-up. Results In this study, AF relapse was seen in 43 patients (26.2%) following a median follow-up of 15 [interquartile range (IQR): 12–18] months. It was shown that the LAAV was decreased in individuals who had recurrences of AF (0.36±0.05 vs. 0.45±0.17 m/s, P=0.004). Using Kaplan-Meier analysis, it was discovered that the low LAAV (0.37 m/s) group had a poorer event-free survival rate compared to the high LAAV (>0.37 m/s) group (17.6 vs. 21.2 months, log-rank P=0.002) group. Based on the results of the multivariate Cox regression analysis, a LAAV of fewer than 0.37 m/s [hazard ratio (HR): 2.32; 95% confidence interval (CI): 1.177–4.227; P=0.014] was shown to be an independent predictor of AF recurrence following RFCA. Conclusions A low LAAV is associated with AF relapse, and it is a predictor of AF relapse following the first RFCA for PeAF. This discovery may be useful in the optimization of treatment strategies and the care of patients with PeAF.
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Affiliation(s)
- Wentao Yang
- College of Medicine, Nankai University, Tianjin, China.,Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Qing Zhao
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Minghui Yao
- Department of Cardiovascular Surgery, the Sixth Medical Center of PLA General Hospital, Beijing, China
| | - Xiangdong Li
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yue Zhang
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Chuanbin Liu
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zhaoliang Shan
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yutang Wang
- College of Medicine, Nankai University, Tianjin, China.,Department of Geriatric Cardiology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
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23
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Kotalczyk A, Ding WY, Gupta D, Wright DJ, Lip GYH. Clinical outcomes following rhythm control for atrial fibrillation: is early better? Expert Rev Cardiovasc Ther 2021; 19:277-287. [PMID: 33715565 DOI: 10.1080/14779072.2021.1902307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Introduction: An integral aspect of atrial fibrillation (AF) management involves better symptom control, incorporating a rate control, rhythm control, or a combination strategy. The 2020 ESC Guidelines suggest that rhythm control strategy should be recommended for symptomatic patients, to mitigate their symptoms and improve the quality of life. However, adequately powered randomized control trials and prospective 'real-world' registries are needed to fully assess the impact of early rhythm control strategies on clinical outcomes in patients with AF.Objective: In this narrative review, we discuss clinical outcomes following rhythm management approach among patients with AF, considering the effectiveness of an early intervention strategy.Expert opinion: Patients involvement and shared decision-making are crucial when deciding the optimal management strategy among patients with AF. For those with newly diagnosed symptomatic AF, an early invasive approach such as catheter ablation may have a role in preventing AF progression and subsequent pathophysiological changes.
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Affiliation(s)
- Agnieszka Kotalczyk
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Medical University of Silesia, Silesian Centre for Heart Diseases, Zabrze, Poland
| | - Wern Yew Ding
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Dhiraj Gupta
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - David Justin Wright
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Medical University of Silesia, Silesian Centre for Heart Diseases, Zabrze, Poland.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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24
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Kim YG, Han KD, Kim DY, Choi YY, Choi HY, Roh SY, Shim J, Kim JS, Choi JI, Kim YH. Different Influence of Blood Pressure on New-Onset Atrial Fibrillation in Pre- and Postmenopausal Women: A Nationwide Population-Based Study. Hypertension 2021; 77:1500-1509. [PMID: 33719508 DOI: 10.1161/hypertensionaha.120.16513] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- Yun Gi Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Kyung-Do Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea (K.-D.H.)
| | | | - Yun Young Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Ha Young Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Seung-Young Roh
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Jaemin Shim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Jin Seok Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Jong-Il Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
| | - Young-Hoon Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea (Y.G.K., Y.K., Y.Y.C., H.Y.C., S.-Y.R., J.S., J.S.K., J.-I.C., Y.-H.K.)
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25
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Yilmaz M, Candemir B. Approach to recurrence of atrial fibrillation after catheter ablation. Minerva Cardiol Angiol 2021; 69:81-93. [PMID: 33691388 DOI: 10.23736/s2724-5683.20.05173-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Atrial fibrillation (AF) is the most commonly observed sustained rhythm disorder during adult ages. Since it has been shown that the ectopic beat initiating AF is usually caused by pulmonary veins, AF ablation has become the mainstay of therapy worldwide. Cryoballoon and radiofrequency ablation are the most commonly used methods in today's technologies. However, despite technological advances, the success of a single procedure in AF ablation is still limited and multiple procedures may be required for the majority of patients. In cases in which a redo ablation is required, pulmonary vein isolation is still the main target, but non-pulmonary vein targets should also be considered in AF episodes that continue despite multiple ablations. Many issues are still unclear as to which energy to choose in the first procedure, and what ablation strategy will be utilized when a redo ablation is required. The studies on this subject are very limited but, it still seems feasible and a rational approach to utilize a customized treatment strategy in each specific patient subgroup.
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Affiliation(s)
- Mustafa Yilmaz
- Department of Cardiology, Faculty of Medicine, Baskent University, Adana, Turkey -
| | - Basar Candemir
- Department of Cardiology, Faculty of Medicine, Ankara University, Ankara, Turkey
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26
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Kim YG, Boo KY, Choi JI, Choi YY, Choi HY, Roh SY, Shim J, Kim JS, Kim YH. Early Recurrence Is Reliable Predictor of Late Recurrence After Radiofrequency Catheter Ablation of Atrial Fibrillation. JACC Clin Electrophysiol 2021; 7:343-351. [PMID: 33516711 DOI: 10.1016/j.jacep.2020.09.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 09/09/2020] [Accepted: 09/09/2020] [Indexed: 11/17/2022]
Abstract
OBJECTIVES This study aimed to compare the risk of late recurrence in patients with and without early recurrence. BACKGROUND Early recurrence of atrial fibrillation (AF) or atrial tachycardia (AT) after radiofrequency catheter ablation (RFCA) in AF patients is known to be a transient phenomenon. The theoretical basis of the blanking period is based on such observations. However, the clinical implications of early recurrence need further validation. METHODS Consecutive RFCA cases in a tertiary hospital were analyzed. Early recurrence was defined as any AT or AF event occurring within 90-days post-RFCA. Early recurrence as AT and AF were also analyzed separately. RESULTS A total of 3,120 patients underwent RFCA. Early recurrence occurred in 751 patients (24.1%). Patients who experienced early recurrence had a larger left atrium, worse hemodynamics in the left atrial appendage, and a higher prevalence of nonparoxysmal AF and heart failure. Among patients who experienced early recurrence, 69.6% of patients eventually had late recurrence. Early recurrence was associated with a 4.3- and 3.6-fold increase in the risk of late recurrence after single and multiple procedures, respectively. After multivariate adjustment, early recurrence was an independent risk factor for late recurrence with 3.6- and 2.8-fold increase in the risk of late recurrence after single and multiple procedures, respectively. Early recurrence AT had a lower risk of late recurrence compared with early recurrence AF. CONCLUSIONS Early recurrence was a reliable predictor for late recurrence. The clinical significance of the blanking period in the current guidelines may need to be revisited.
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Affiliation(s)
- Yun Gi Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Ki Yung Boo
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jong-Il Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea.
| | - Yun Young Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Ha Young Choi
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Seung-Young Roh
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jaemin Shim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jin Seok Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Young-Hoon Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medicine Anam Hospital, Seoul, Republic of Korea
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27
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Kim YG, Min K, Hwang SH, Shim J, Choi YY, Choi HY, Choi JI, Oh YW, Kim YH. Blood flow volume of left atrial appendage measured by magnetic resonance imaging is improved after radiofrequency catheter ablation of atrial fibrillation. J Cardiovasc Electrophysiol 2021; 32:669-677. [PMID: 33428249 DOI: 10.1111/jce.14879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/21/2020] [Accepted: 12/29/2020] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Hemodynamics of left atrial appendage (LAA) is an important factor for future risk of ischemic stroke in atrial fibrillation (AF) patients. Velocity encoded cardiac magnetic resonance imaging (VENC-MRI) can evaluate blood flow volume of LAA without any invasive procedures. We aimed to evaluate the association between radiofrequency catheter ablation (RFCA) and LAA hemodynamics measured by MRI. METHODS AND RESULTS Consecutive RFCA cases in a single arrhythmia center were retrospectively analyzed. A total of 3120 AF patients who underwent first RFCA were analyzed. Among these patients 360 patients had both pre- and post-RFCA VENC-MRI evaluation. Atrial fibrillation was non-paroxysmal in 174 (48.3%) patients. Mean VENC-MRI (ml/sec) was significantly improved after RFCA with 49.93 ± 32.92 and 72.00 ± 34.82 for pre- and post-RFCA, respectively. Patients with non-paroxysmal AF (∆VENC-MRI = 14.63 ± 40.67 vs. 30.03 ± 35.37; p < .001) and low pre-RFCA VENC-MRI (∆VENC-MRI = 17.19 ± 38.35 vs. 50.35 ± 29.12; p < .001) had significantly higher improvement in VENC-MRI. Those who experienced late recurrence before post-RFCA MRI had significantly less improvement in LAA flow volume (∆VENC-MRI = 15.55 ± 41.41 vs. 26.18 ± 36.77; p = .011). Late recurrence and pre-RFCA VENC-MRI were significantly associated with ∆VENC-MRI after adjusting covariates. Patients who were AF before RFCA but maintained sinus rhythm after RFCA showed greatest improvement in VENC-MRI. CONCLUSION Effective rhythm control through RFCA can be associated with significant improvement in LAA hemodynamics. Low pre-RFCA VENC-MRI and absence of late recurrence were associated with greater improvement in LAA hemodynamics.
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Affiliation(s)
- Yun Gi Kim
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Kyongjin Min
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Sung Ho Hwang
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Jaemin Shim
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Yun Young Choi
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Ha Young Choi
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Jong-Il Choi
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Yu-Whan Oh
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
| | - Young-Hoon Kim
- Arrhythmia Center, Department of Internal Medicine, Korea University Medicine, Seoul, Republic of Korea
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28
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Hermans ANL, Gawalko M, Pluymaekers NAHA, Dinh T, Weijs B, van Mourik MJW, Vorstermans B, den Uijl DW, Opsteyn L, Snippe H, Vernooy K, Crijns HJGM, Linz D, Luermans JGLM. Long-term intermittent versus short continuous heart rhythm monitoring for the detection of atrial fibrillation recurrences after catheter ablation. Int J Cardiol 2021; 329:105-112. [PMID: 33412184 DOI: 10.1016/j.ijcard.2020.12.077] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/21/2020] [Accepted: 12/28/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND The utility of long-term intermittent heart rhythm monitoring after atrial fibrillation (AF) ablation remains unclear. Therefore, we compared the efficacy and usability of long-term intermittent (AliveCor Kardia® (ACK)) versus short continuous (Holter) heart rhythm monitoring for the detection of AF recurrences after AF ablation and evaluated ACK accuracy to detect AF. METHODS Patients were provided with Holter (for ≥24 h) simultaneously with an ACK (4 weeks) used three times a day and in case of symptoms. The primary endpoint was the difference in proportion of patients diagnosed with recurrent AF by ACK as compared to Holter monitoring. Secondary endpoints were the usability (System Usability Scale and a four-item questionnaire) of ACK and Holter monitoring; and the accuracy of the ACK algorithm for AF detection. RESULTS Out of 126 post-ablation patients, 115 (91.3%; 35 females, median age 64.0 [58.0-68.0] years) transmitted overall 7838 ACK ECG recordings. ACK and Holter monitoring detected 29 (25.2%) and 17 (14.8%) patients with AF recurrences, respectively (p < 0.001). More than 2 weeks of ACK monitoring did not have additional diagnostic yield for detection of AF recurrences. Patients graded ACK higher than Holter monitoring and found ACK more convenient in daily usage than Holter (p < 0.001). Sensitivity and specificity of ACK for AF detection were 95.3% and 97.5%, respectively. CONCLUSIONS Long-term intermittent monitoring by ACK more effectively detects AF recurrences after AF ablation and has a higher patients' usability than short continuous Holter monitoring. ACK showed a high accuracy to detect AF.
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Affiliation(s)
- Astrid N L Hermans
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Monika Gawalko
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands; 1st Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
| | - Nikki A H A Pluymaekers
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Trang Dinh
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Bob Weijs
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands; Department of Cardiology and Electrophysiology, Katholische Stiftung Marienhospital Aachen, Aachen, Germany
| | - Manouk J W van Mourik
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Bianca Vorstermans
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Dennis W den Uijl
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Ludo Opsteyn
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Hilco Snippe
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands; Department of Cardiology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Harry J G M Crijns
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands
| | - Dominik Linz
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands; Department of Cardiology, Radboud University Medical Center, Nijmegen, the Netherlands; Centre for Heart Rhythm Disorders, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia; Faculty of Health and Medical Sciences, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Justin G L M Luermans
- Department of Cardiology, Maastricht University Medical Center and Cardiovascular Research Institute Maastricht, Maastricht, the Netherlands; Department of Cardiology, Radboud University Medical Center, Nijmegen, the Netherlands.
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Geng M, Lin A, Nguyen TP. Revisiting Antiarrhythmic Drug Therapy for Atrial Fibrillation: Reviewing Lessons Learned and Redefining Therapeutic Paradigms. Front Pharmacol 2020; 11:581837. [PMID: 33240090 PMCID: PMC7680856 DOI: 10.3389/fphar.2020.581837] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 09/17/2020] [Indexed: 12/12/2022] Open
Abstract
Since the clinical use of digitalis as the first pharmacological therapy for atrial fibrillation (AF) 235 years ago in 1785, antiarrhythmic drug therapy has advanced considerably and become a cornerstone of AF clinical management. Yet, a preventive or curative panacea for sustained AF does not exist despite the rise of AF global prevalence to epidemiological proportions. While multiple elevated risk factors for AF have been established, the natural history and etiology of AF remain incompletely understood. In the present article, the first section selectively highlights some disappointing shortcomings and current efforts in antiarrhythmic drug therapy to uncover reasons why AF is such a clinical challenge. The second section discusses some modern takes on the natural history of AF as a relentless, progressive fibro-inflammatory "atriomyopathy." The final section emphasizes the need to redefine therapeutic strategies on par with new insights of AF pathophysiology.
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Affiliation(s)
| | | | - Thao P. Nguyen
- Division of Cardiology, Department of Medicine, The Cardiovascular Research Laboratory, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
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Dai M, Barbhaiya C, Aizer A, Hyde J, Kogan E, Holmes D, Bernstein S, Spinelli M, S Park D, A Chinitz L, Jankelson L. Ablation in Atrial Fibrillation with Ventricular Pacing Results in Similar Spatial Catheter Stability as Compared to Ablation in Sinus Rhythm with Atrial Pacing. J Atr Fibrillation 2020; 13:2373. [PMID: 34950311 DOI: 10.4022/jafib.2373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/05/2020] [Accepted: 08/15/2020] [Indexed: 11/10/2022]
Abstract
Background Improved catheter stability is associated with decreased arrhythmia recurrence after atrial fibrillation (AF) ablation. Recently, atrial voltage mapping in AF was demonstrated to correlate better with scar as compared to mapping in sinus rhythm (SR). However, it is unknown whether ablation of persistent AF in sinus rhythm with atrial pacing or in atrial fibrillation with ventricular pacing results in differences in catheter stability or arrhythmia recurrence. Methods We analyzed 53 consecutive patients undergoing first-time persistent AF ablation with pulmonary vein and posterior wall isolation: 27 were cardioverted, mapped, and ablated in sinus rhythm with atrial pacing, and 26 were mapped and ablated in AF with ventricular pacing. Ablation data was extracted from the mapping system and analyzed using custom MATLAB software to determine high-frequency (60Hz) catheter excursion as a novel metric for catheter spatial stability. Results There was no difference in catheter stability as assessed by maximal catheter excursion, mean catheter excursion, or contact force variability between the atrial-paced and ventricular-paced patients. Ventricular-paced patients had significantly greater mean contact force as compared to atrial-paced patients. Contact-force variability demonstrated poor correlation with catheter excursion. One year arrhythmia-free survival was similar between the atrial paced and ventricular paced patients. Conclusions For patients with persistent AF, ablation in AF with ventricular pacing results in similar catheter stability and arrhythmia recurrence as compared to cardioversion and ablation in sinus rhythm with atrial pacing. Given the improved fidelity of mapping in AF, mapping and ablating during AF with ventricular pacing may be preferred.
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Affiliation(s)
- Matthew Dai
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Chirag Barbhaiya
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Anthony Aizer
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Jonathan Hyde
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Edward Kogan
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Douglas Holmes
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Scott Bernstein
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Michael Spinelli
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - David S Park
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Larry A Chinitz
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
| | - Lior Jankelson
- Leon H. Charney Division of Cardiology, Cardiac Electrophysiology, NYU Langone Health, New York University Grossman School of Medicine, NY, USA
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Pott A, Jäck S, Schweizer C, Baumhardt M, Stephan T, Rattka M, Weinmann K, Bothner C, Scharnbeck D, Keßler M, Rottbauer W, Dahme T. Atrial fibrillation ablation in heart failure patients: improved systolic function after cryoballoon pulmonary vein isolation. ESC Heart Fail 2020; 7:2258-2267. [PMID: 32578969 PMCID: PMC7524096 DOI: 10.1002/ehf2.12735] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 04/03/2020] [Accepted: 04/15/2020] [Indexed: 12/14/2022] Open
Abstract
Aims Atrial fibrillation (AF) and heart failure (HF) are the most common cardiac diseases and often coexist leading to increased mortality and morbidity compared with AF patients without HF. As shown previously, AF ablation using radio frequency (RF) in HF patients leads to a reduction of AF burden, an increase of left ventricular ejection fraction (LVEF) and consequently to reduced hospitalization and mortality. Previous AF ablation studies on HF patients have been liberal about additional targets beyond pulmonary vein isolation (PVI). Thus, the aim of this study was to assess systematically the impact of a straightforward PVI‐only strategy on LVEF, NYHA functional class, and cardiovascular hospitalization rate in HF patients. Methods and results Out of 414 consecutive patients undergoing PVI, only with the cryoballoon 113 patients with reduced LVEF [mean: 38.4 ± 10.8%, reduced ejection fraction (rEF) group] and 301 patients with normal LVEF (>55%) at baseline were identified [normal ejection fraction (nEF) group]. Remarkably, even though freedom from arrhythmia recurrence after 1 year was significantly lower in the rEF group (64.9%) compared with the nEF group (71.2%, P = 0.036), mean LVEF improved from 38.4 ± 10.8% to 52.5 ± 17.2% (P < 0.001) after cryoballoon ablation in the rEF group. Accordingly, HF‐related symptoms as well as hospitalization rate declined significantly in the rEF group during follow‐up compared with baseline. Conclusions The results of the present study suggest that catheter ablation restricted to a straightforward PVI‐only strategy using the cryoballoon leads to improved left ventricular ejection fraction as well as improvement of NYHA functional class and increased freedom from cardiovascular rehospitalization.
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Affiliation(s)
- Alexander Pott
- Medicine II, Ulm University Medical Center, Ulm, Germany
| | - Saskia Jäck
- Medicine II, Ulm University Medical Center, Ulm, Germany
| | | | | | - Tilman Stephan
- Medicine II, Ulm University Medical Center, Ulm, Germany
| | - Manuel Rattka
- Medicine II, Ulm University Medical Center, Ulm, Germany
| | | | - Carlo Bothner
- Medicine II, Ulm University Medical Center, Ulm, Germany
| | | | - Mirjam Keßler
- Medicine II, Ulm University Medical Center, Ulm, Germany
| | | | - Tillman Dahme
- Medicine II, Ulm University Medical Center, Ulm, Germany
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Kim YG, Shim J, Lee KN, Lim JY, Chung JH, Jung JS, Choi JI, Lee SH, Son HS, Kim YH. Management of Atrio-esophageal Fistula Induced by Radiofrequency Catheter Ablation in Atrial Fibrillation Patients: a Case Series. Sci Rep 2020; 10:8202. [PMID: 32424298 PMCID: PMC7235255 DOI: 10.1038/s41598-020-65185-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 04/28/2020] [Indexed: 11/23/2022] Open
Abstract
Atrio-esophageal fistula (AEF) is one of the most devastating complication of radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) and surgical repair is strongly recommended. However, optimal surgical approach remains to be elucidated. We retrospectively reviewed AEF cases that occurred after RFCA in a single center and evaluated the clinical results of different surgical approach. Surgical or endoscopic repair was attempted in five AF patients who underwent RFCA. Atrio-esophageal fistula and mediastinal infection was not controlled in the patient who underwent endoscopic repair eventually died. Lethal cerebral air embolism occurred two days after surgery in a patient who underwent esophageal repair only. Primary surgical repair of both the left atrium (LA) and esophagus was performed in the remaining three patients. Among these three patients, two underwent external LA repair and the remaining had internal LA repair via open-heart surgery. External repair of the LA was unsuccessful and one patient dies and another had to undergo second operation with internal repair of the LA. The patient who underwent internal LA repair during the first operation survived without additional surgery. Furthermore, we applied veno-arterial extracorporeal membrane oxygenation (VA-ECMO) with artificial induction of ventricular fibrillation in this patient to prevent air and septic embolism and she had no neurologic sequelae. In summary, surgical correction can be considered preferentially to correct AEF. Open-heart surgical repair of LA from the internal side seems to be an acceptable surgical method. Application of VA-ECMO with artificial induction of ventricular fibrillation might be effective to prevent air and septic embolism.
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Affiliation(s)
- Yun Gi Kim
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jaemin Shim
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Republic of Korea.
| | - Kwang-No Lee
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Ju Yong Lim
- Department of Thoracic and Cardiovascular Surgery, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jae Ho Chung
- Department of Thoracic and Cardiovascular Surgery, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jae Seung Jung
- Department of Thoracic and Cardiovascular Surgery, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jong-Il Choi
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Sung Ho Lee
- Department of Thoracic and Cardiovascular Surgery, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Ho Sung Son
- Department of Thoracic and Cardiovascular Surgery, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Young-Hoon Kim
- Arrhythmia Center, Korea University Medicine Anam Hospital, Seoul, Republic of Korea.
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Kim YG, Choi JI, Boo KY, Kim DY, Hong Y, Kim MS, Lee KN, Shim J, Kim JS, Kim YH. Impact of age on thromboembolic events in patients with non-valvular atrial fibrillation. Clin Cardiol 2019; 43:78-85. [PMID: 31729782 PMCID: PMC6954376 DOI: 10.1002/clc.23293] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/17/2019] [Accepted: 11/04/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Age is a well-established risk factor for thromboembolic events in patients with atrial fibrillation (AF). However, the mechanism underlying the association between age and thromboembolic events in AF remains unknown. METHODS The prognostic value of age as a risk factor for thromboembolic events was analyzed using data from the Korean National Health Insurance Service (NHIS). In a large-scale single-center registry, cardiac hemodynamic parameters were examined to elucidate the cause of increased risk of thromboembolic events in older patients. RESULTS NHIS sample cohort data including 5896 patients with AF revealed that the risk of thromboembolic complication differed significantly according to age despite equal CHA2 DS2 -VASc score. In the registry of 2801 patients, age showed significant correlations with left atrium (LA) diameter, LA volume, E/e', pulmonary artery pressure, and LA appendage flow velocity. Older patients had a significantly higher prevalence of spontaneous echocontrast (odds ratio [OR] = 1.030; P < .001). Age (OR = 1.031; P < .001), E/e' (OR = 1.065; P = .004), and LA appendage flow velocity (OR = .988; P = .009) were significant predictors for thromboembolic events in multivariate analyses. In data from the NHIS, CHA2 DS2 -VASc score did not outperform age to predict thromboembolic events. CONCLUSIONS Age is a significant risk factor for thromboembolic events in patients with AF, and old age is associated with adverse cardiac hemodynamics. This study suggests that older patients with AF are at high risk of thromboembolic events regardless of CHA2 DS2 -VASc score.
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Affiliation(s)
- Yun Gi Kim
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jong-Il Choi
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Ki Yung Boo
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Do Young Kim
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Yeji Hong
- Division of Medical Statistics, Korea University College of Medicine, Seoul, Republic of Korea
| | - Min Sun Kim
- Division of Medical Statistics, Korea University College of Medicine, Seoul, Republic of Korea
| | - Kwang-No Lee
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jaemin Shim
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Jin Seok Kim
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
| | - Young-Hoon Kim
- Division of Cardiology, Department of Internal Medicine, Korea University Medicine Anam Hospital, Seoul, Republic of Korea
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