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Yue JY, Ji K, Liu HP, Wu QW, Liang CH, Gao JB. Evaluating the consistency in different methods for measuring left atrium diameters. BMC Med Imaging 2024; 24:57. [PMID: 38443826 PMCID: PMC10916282 DOI: 10.1186/s12880-024-01231-6] [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: 11/01/2023] [Accepted: 02/20/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND The morphological information of the pulmonary vein (PV) and left atrium (LA) is of immense clinical importance for effective atrial fibrillation ablation. The aim of this study is to examine the consistency in different LA diameter measurement techniques. METHODS Retrospective imaging data from 87 patients diagnosed with PV computed tomography angiography were included. The patients consisted of 50 males and 37 females, with an average age of (60.74 ± 8.70) years. Two physicians independently measured the anteroposterior diameter, long diameter, and transverse diameter of the LA using six different methods. Additionally, we recorded the post-processing time of the images. Physician 1 conducted measurements twice with a one-month interval between the measurements to assess intra-rater reliability. Using the intraclass correlation coefficient (ICC), the consistency of each LA diameter measurement by the two physicians was evaluated. We compared the differences in the LA diameter and the time consumed for measurements using different methods. This was done by employing the rank sum test of a randomized block design (Friedman M test) and the q test for pairwise comparisons among multiple relevant samples. RESULTS (1) The consistency of the measured LA diameter by the two physicians was strong or very strong. (2) There were statistical differences in the anteroposterior diameter, long diameter, and transverse diameter of LA assessed using different methods (χ2 = 222.28, 32.74, 293.83, P < 0.001). (3) Different methods for measuring the diameters of LA required different amounts of time (χ2 = 333.10, P < 0.001). CONCLUSION The results of left atrium (LA) diameter measurements conducted by different physicians were found to be reliable. However, the LA diameters obtained through various techniques exhibited variations. It was observed that measuring LA long diameters using only the VR (volume rendering) picture was the most clinically applicable method.
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Affiliation(s)
- Jun-Yan Yue
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Weihui Henan Province, 453200, Xinxiang, China
- Department of Radiology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Erqi District, 450000, Zhengzhou, Henan Province, China
- Heart Center, The First Affiliated Hospital of Xinxiang Medical University, 453200, Henan Pro vince, Weihui, China
| | - Kai Ji
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Weihui Henan Province, 453200, Xinxiang, China
| | - Hai-Peng Liu
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Weihui Henan Province, 453200, Xinxiang, China
| | - Qing-Wu Wu
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Weihui Henan Province, 453200, Xinxiang, China
| | - Chang-Hua Liang
- Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Weihui Henan Province, 453200, Xinxiang, China
| | - Jian-Bo Gao
- Department of Radiology, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Erqi District, 450000, Zhengzhou, Henan Province, China.
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2
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Qi D, Zhang J. Relationship between anatomical characteristics of pulmonary veins and atrial fibrillation recurrence after radiofrequency catheter ablation: a systematic review and meta-analysis. Front Cardiovasc Med 2023; 10:1235433. [PMID: 37795484 PMCID: PMC10546190 DOI: 10.3389/fcvm.2023.1235433] [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: 06/06/2023] [Accepted: 09/04/2023] [Indexed: 10/06/2023] Open
Abstract
Background The aim of the current study was to investigate the potential relationship between anatomical characteristics of pulmonary veins (PVs) and atrial fibrillation recurrence (AFR) following radiofrequency catheter ablation (RFCA), specifically focusing on PV diameter and cross-sectional orifices index (CSOA). The analysis was based on a comprehensive review of currently available literature, providing valuable insights for the prevention and treatment of AFR. Methods Data was collected from five databases, including PubMed, MEDLINE, EMBASE, and Cochrane, spanning the period from 2004 to October 2022. The search strategy utilized Medical Subject Headings (MeSH) terms related to PV diameter, PV size, PV anatomy, and AFR. Indicators of PV diameter and CSOA from the included studies were collected and analyzed, with Weight mean difference (WMD) and 95% confidence intervals (CIs) representing continuous variables. Results The meta-analysis included six studies. The results revealed that patients with AFR had a significant larger mean PV diameter compared to those without AFR (MD 0.33; 95% CI: 0.01, 0.66; P = 0.04; I2 = 33.80%). In a meta-analysis of two studies involving a total of 715 participants, we compared the diameters of the left superior pulmonary vein (LSPV), left inferior pulmonary vein (LIPV), right superior pulmonary vein (RSPV), right inferior pulmonary vein (RIPV) between patients with AFR and patients without AFR. The results showed that there were no statistically significant differences between the two groups in any of the four data items (all P > 0.05). Additionally, the pooled estimate revealed that LSPV-CSOA, LIPV-COSA, RSPV-COSA, and RIPV-CSOA were greater in the AFR group compared to the non-AFR group, but the differences were not statistically significant (all P > 0.05). Conclusion We found evidence supporting the notion that the PV diameter of patients who experienced AFR after RFCA was significantly larger than that of patients without AFR. The findings suggested that the PV diameter could serve as a potential predictor of the risk of AFR following RFCA.
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Affiliation(s)
| | - Jianjun Zhang
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
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3
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Lee JH, Hwang I, Yu HT, Kim TH, Uhm JS, Joung B, Lee MH, Pak HN. Lower pulmonary vein-to-left atrium volume ratio predicts poor rhythm outcome after atrial fibrillation catheter ablation. Front Cardiovasc Med 2022; 9:934168. [PMID: 35911561 PMCID: PMC9334901 DOI: 10.3389/fcvm.2022.934168] [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: 05/02/2022] [Accepted: 06/27/2022] [Indexed: 11/17/2022] Open
Abstract
Although left atrial (LA) dimension (LAD) is one of the predictors of atrial fibrillation (AF) recurrence after catheter ablation, repetitive recurrences occur in patients without enlarged LAD. We explored the predictive value of pulmonary vein (PV) to LA volume percent ratio (PV/LA%vol) for rhythm outcomes after AF catheter ablation (AFCA). We included 2913 patients (73.5% male, 60.0 [52.0–67.0] years old, 60.6% paroxysmal AF) who underwent AFCA. We evaluated the association between PV/LA%vol and AF recurrence after AFCA and compared the predictive value for AF recurrences according to the LA size with LAD. We additionally investigated the association between PV/LA%vol and PITX2 gene using a genome-wide association study. LAD affected 1-year recurrence only in the highest tertile group (T3, p = 0.046), but PV/LA%vol determined 1-year recurrence in all LAD groups (T1, p = 0.044; T2, p = 0.021; and T3, p = 0.045). During 20.0 (8.0–45.0) months of follow-up, AF recurrence rate was significantly higher in patients with lower PV/LA%vol (Log-rank p = 0.004, HR 0.91 [0.84–1.00], p = 0.044). In the T1 and T2 LAD groups, predicting AF recurrences was better with PV/LA%vol than with LAD (AUC 0.63 vs. 0.51, p < 0.001 at T1; AUC 0.61 vs. 0.50, p = 0.007 at T2). We replicated PITX2-related rs12646447, which was independently associated with PV/LA%vol (β = 0.15 [0–0.30], p = 0.047). In conclusion, smaller PV volumes after LA volume adjustments have genetic background of PITX2 gene and predictive value for poorer rhythm outcomes after AFCA, especially in patients without LA enlargement.
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Affiliation(s)
- Jae-Hyuk Lee
- Department of Cardiology, Myongji Hospital, Hanyang University Medical Center, Gyeonggi-do, South Korea
| | - Inseok Hwang
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
| | - Hee Tae Yu
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
| | - Tae-Hoon Kim
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
| | - Jae-Sun Uhm
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
| | - Boyoung Joung
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
| | - Moon-Hyoung Lee
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
| | - Hui-Nam Pak
- Department of Internal Medicine, Division of Cardiology, Yonsei University College of Medicine, Yonsei University Health System, Seoul, South Korea
- *Correspondence: Hui-Nam Pak,
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4
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Martinez Urabayen U, Caballeros M, Soriano I, Ramos P, García Bolao I, Bastarrika G. Anatomic characteristics of the left atrium in subjects undergoing radiofrequency ablation for atrial fibrillation. RADIOLOGIA 2021; 63:391-399. [PMID: 34625194 DOI: 10.1016/j.rxeng.2020.03.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 03/04/2020] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To analyze the anatomic characteristics of the left atrium and pulmonary veins in individuals undergoing ablation for atrial fibrillation and to identify possible anatomic factors related with recurrence. MATERIAL AND METHODS We retrospectively reviewed the CT angiography studies done to plan radiofrequency ablation for atrial fibrillation in 95 patients (57 men; mean age, 65 ± 10 y). We reviewed the anatomy of the pulmonary veins and recorded the diameters of their ostia as well as the diameter and volume of the left atrium. We analyzed these parameters according to the type of arrhythmia and the response to treatment. RESULTS In 71 (74.7%) patients, the anatomy of the pulmonary veins was normal (i.e., two right pulmonary veins and two left pulmonary veins). Compared to patients with paroxysmal atrial fibrillation, patients with persistent atrial fibrillation had slightly larger diameter of the left pulmonary veins (left superior pulmonary vein 17.9 ± 2.6 mm vs. 16.7 ± 2.2 mm, p = 0.04; left inferior pulmonary vein 15.3 ± 2 mm vs. 13.8 ± 2.2 mm, p = 0.009) and larger left atrial volume (91.9 ± 24.9 cm3 vs. 70.7 ± 20.3 mm3, p = 0.001). After 22.1 ± 12.1 months' mean follow-up, 41 patients had sinus rhythm. Compared to patients in whom the sinus rhythm was restored, patients with recurrence had greater left atrial volume (81.4 ± 23.0 mm3 vs. 71.1 ± 23.2 mm3, p = 0.03). No significant differences in pulmonary vein diameters or clinical parameters were observed between patients with recurrence and those without. CONCLUSION The volume of the left atrium is greater in patients with persistent atrial fibrillation and in those who do not respond to ablation.
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Affiliation(s)
- U Martinez Urabayen
- Sección de imagen cardiotorácica, Servicio de Radiología, Clínica Universidad de Navarra, Pamplona, Navarra, Spain
| | - M Caballeros
- Sección de imagen cardiotorácica, Servicio de Radiología, Clínica Universidad de Navarra, Madrid, Spain
| | - I Soriano
- Sección de imagen cardiotorácica, Servicio de Radiología, Clínica Universidad de Navarra, Pamplona, Navarra, Spain
| | - P Ramos
- Departamento de Cardiología, Clínica Universidad de Navarra, Pamplona, Navarra, Spain
| | - I García Bolao
- Departamento de Cardiología, Clínica Universidad de Navarra, Pamplona, Navarra, Spain
| | - G Bastarrika
- Sección de imagen cardiotorácica, Servicio de Radiología, Clínica Universidad de Navarra, Pamplona, Navarra, Spain.
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5
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Martínez Urabayen U, Caballeros M, Soriano I, Ramos P, García Bolao I, Bastarrika G. Características anatómicas de la aurícula izquierda en sujetos sometidos a ablación por radiofrecuencia de fibrilación auricular. RADIOLOGIA 2021. [DOI: 10.1016/j.rx.2020.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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6
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Sun Y, Wang L, Yang X. The whole term efficacy of different treatments in paroxysmal atrial fibrillation in aging: a meta-analysis of randomized controlled trials. Aging (Albany NY) 2021; 13:8620-8627. [PMID: 33714954 PMCID: PMC8034899 DOI: 10.18632/aging.202676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 02/08/2021] [Indexed: 11/25/2022]
Abstract
Antiarrhythmic drug therapy (ADT) and catheter ablation (CA) are the main treatments for paroxysmal atrial fibrillation. However, the short- and long-term clinical efficacy of these treatments remains controversial. Our goal is to investigate efficacy and safety of the standardized treatment of elderly patients with paroxysmal atrial fibrillation (PAF). Eight randomized controlled trials on CA and ADT for treating PAF were included. Totally, 1336 patients were included. Studies on CA and ADT for treating PAF that were published between January 2005 and June 2020 in the Cochrane Library, PubMed and EMBASE were screened and identified. Atrial fibrillation-free rates and Short Form (SF-36) health score-related indexes were analyzed. Atrial fibrillation-free rates were similar in the CA and ADT groups [risk ratio (RR) 1.32; 95% confidence interval (CI) 0.96-1.82; P = 0.08] at 3 months. The CA group had a significantly higher atrial fibrillation-free rate at 6 months (RR 1.87; 95% CI 1.38-2.53; P < 0.001), 9 months (RR 2.38; 95% CI 1.43-3.96; P < 0.001), and 12 months (RR 2.21; 95% CI 1.28-3.84; P=0.005). However, there was no significant difference in terms of long-term efficacy at 24 months (RR 1.81; 95% CI 0.97-3.36; P = 0.06). The 12-month QOL physical and mental components (RR 2.41; 95% CI 0.89-3.93; P = 0.002) were significantly higher in CA group. The CA is more effective than ADT in the short-term prognosis. But the long-term prognosis of PAF needs to be verified via randomized controlled trials with longer follow-up durations.
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Affiliation(s)
- Yinan Sun
- Department of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lu Wang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaoyun Yang
- Department of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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7
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Szegedi N, Vecsey-Nagy M, Simon J, Szilveszter B, Herczeg S, Kolossváry M, Idelbi H, Osztheimer I, Klaudia Nagy V, Tahin T, Széplaki G, Delgado V, Bax JJ, Maurovich-Horvat P, Merkely B, Gellér L. Orientation of the right superior pulmonary vein affects outcome after pulmonary vein isolation. Eur Heart J Cardiovasc Imaging 2021; 23:515-523. [PMID: 33693618 DOI: 10.1093/ehjci/jeab041] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 02/25/2021] [Indexed: 11/13/2022] Open
Abstract
AIMS Controversial results have been published regarding the influence of pulmonary vein (PV) anatomical variations on outcomes after pulmonary vein isolation (PVI). However, no data are available on the impact of PV orientation on the long-term success rates of point-by-point PVI. We sought to determine the impact of PV anatomy and orientation on atrial fibrillation (AF)-free survival in patients undergoing PVI using the radiofrequency point-by-point technique. METHODS AND RESULTS We retrospectively included 448 patients who underwent initial point-by-point radiofrequency ablation for AF at our department. Left atrial computed tomography angiography was performed before each procedure. PV anatomical variations, ostial parameters (area, effective diameter, and eccentricity), orientation, and their associations with 24-month AF-free survival were analysed. PV anatomical variations and ostial parameters were not predictive for AF-free survival (all P > 0.05). Univariate analysis showed that female sex (P = 0.025) was associated with higher rates of AF recurrence, ventral-caudal (P = 0.002), dorsal-cranial (P = 0.034), and dorsal-caudal (P = 0.042) orientation of the right superior PV (RSPV), on the other hand, showed an association with lower rates of AF recurrence, when compared with the reference ventral-cranial orientation. On multivariate analysis, both female sex [odds ratio (OR) 1.83, 95% CI 1.15-2.93, P = 0.011] and ventral-caudal RSPV orientation, compared with ventral-cranial orientation, proved to be independent predictors of 24-month AF recurrence (OR 0.37, 95% CI 0.19-0.71, P = 0.003). CONCLUSION Female sex and ventral-caudal RSPV orientation have an impact on long-term arrhythmia-free survival. Assessment of PV orientation may be a useful tool in predicting AF-free survival and may contribute to a more personalized management of AF.
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Affiliation(s)
- Nándor Szegedi
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Milán Vecsey-Nagy
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Judit Simon
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - Bálint Szilveszter
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - Szilvia Herczeg
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Márton Kolossváry
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - Hana Idelbi
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar
| | - István Osztheimer
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Vivien Klaudia Nagy
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Tamás Tahin
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Gábor Széplaki
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - Victoria Delgado
- Department of Cardiology, Leiden University Medical Center, 2 Albinusdreef, 2333 ZA Leiden, The Netherlands
| | - Jeroen J Bax
- Department of Cardiology, Leiden University Medical Center, 2 Albinusdreef, 2333 ZA Leiden, The Netherlands
| | - Pál Maurovich-Horvat
- MTA-SE Cardiovascular Imaging Research Group, Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungar.,Department of Radiology, Medical Imaging Center, Semmelweis University, 2 Koranyi Sandor Street, 1082 Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
| | - László Gellér
- Heart and Vascular Center, Semmelweis University, 68 Varosmajor Street, 1122 Budapest, Hungary
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8
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Mohanty S, Della Rocca DG, Gianni C, Trivedi C, Mayedo AQ, MacDonald B, Natale A. Predictors of recurrent atrial fibrillation following catheter ablation. Expert Rev Cardiovasc Ther 2021; 19:237-246. [PMID: 33678103 DOI: 10.1080/14779072.2021.1892490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Atrial fibrillation (AF) is a complex and multi-factorial rhythm disorder. Catheter ablation is widely used for the management of AF. However, it is limited by relapse of the arrhythmia necessitating repeat procedures. AREAS COVERED This review aims to discuss the predictors of post-ablation recurrent AF including age, gender, genetic predisposition, AF type and duration, comorbidities, lifestyle factors, echocardiographic parameters of heart chambers, left atrial fibrosis and ablation strategies and targets. An extensive literature search was undertaken on PubMed and Google Scholar to obtain full texts of relevant AF-related articles. EXPERT OPINION Maintenance of stable sinus rhythm is the main intended outcome of AF ablation. Therefore, it is very crucial to identify the risk factors that may influence the ablation success. Most of these predictors such as comorbidities, ablation strategy and targets and lifestyle factors are either reversible or modifiable. Thus, not only the awareness of these known risk factors by both patients and their physicians but also future research to identify the unknown predictors are critical to optimize care in this multi-faceted morbidity.
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Affiliation(s)
- Sanghamitra Mohanty
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA
| | | | - Carola Gianni
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA
| | - Chintan Trivedi
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA
| | | | - Bryan MacDonald
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA
| | - Andrea Natale
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA.,Department of electrophysiology, Interventional Electrophysiology, Scripps Clinic, San Diego, CA, USA.,Metro Health Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
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9
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Lee WC, Watanabe M, Yokoshiki H, Temma T, Kamada R, Hagiwara H, Takahashi Y, Koya T, Nakao M, Anzai T. Higher Pulmonary Arterial Pressure Was Related to Non-Pulmonary Vein Atrial Tachyarrhythmia. Int Heart J 2020; 61:1150-1156. [PMID: 33191344 DOI: 10.1536/ihj.20-214] [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] [Indexed: 11/18/2022]
Abstract
Recurrence of atrial tachyarrhythmias (ATA) following catheter ablation for atrial fibrillation (AF) is often associated with the recovery of conduction into previously isolated pulmonary veins (PVs). Little evidence concerning repeat PV isolation (PVI) and non-PV ATA ablation has been reported. This study aimed to explore the clinical outcome of recurrent ATA ablation after PVI and the difference between patients with and without non-PV ATA.A total of 49 patients without structural heart diseases who received catheter ablation for recurrent AF between January 2014 and December 2018 were recruited (prior ablation with PVI only 71.4% and PVI with cavotricuspid isthmus line ablation 28.6%). Patients were divided into two groups according to the presence or absence of non-PV ATA.Most patients (53.1%) experienced very late recurrence with a median duration of 15 months. A total of 15 patients had non-PV ATA and received non-PV ATA ablation whereas 34 patients received only repeat PVI for reconnected PVs. A higher pulmonary arterial systolic pressure (PASP) was associated with non-PV ATA (odds ratio: 1.161; 95% confidence interval: 1.021-1.321; P = 0.023). During 4.7 ± 1 months, 4/15 (26.7%) and 1/34 (2.9%) patients with and without non-PV ATA, respectively, had ATA recurrence (P = 0.011). The cumulative incidence of ATA recurrence after repeat ablation was significantly lower in patients without non-PV ATA (P = 0.013).In our study, a high PASP was associated with non-PV ATA in patients with recurrent AF. Repeat PVI had a high rate of maintenance of sinus rhythm in patients without non-PV ATA.
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Affiliation(s)
- Wei-Chieh Lee
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine.,Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine.,Institute of Clinical Medicine, College of Medicine, National Cheng Kung University
| | - Masaya Watanabe
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Hisashi Yokoshiki
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine.,Department of Cardiovascular Medicine, Sapporo City General Hospital
| | - Taro Temma
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Rui Kamada
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Hikaru Hagiwara
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Yumi Takahashi
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Taro Koya
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Motoki Nakao
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
| | - Toshihisa Anzai
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
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10
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Lu Y, Chen Y, Lin Y, Chen S, Chen Y. Mechanoelectrical feedback in pulmonary vein arrhythmogenesis: Clinical challenges and therapeutic opportunities. J Arrhythm 2020; 36:608-614. [PMID: 32782628 PMCID: PMC7411213 DOI: 10.1002/joa3.12391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/28/2020] [Accepted: 06/04/2020] [Indexed: 12/24/2022] Open
Abstract
Mechanoelectrical feedback is an important factor in the pathophysiology of atrial fibrillation (AF). Ectopic electrical activity originating from pulmonary vein (PV) myocardial sleeves has been found to trigger and maintain paroxysmal AF. Dilated PVs by high stretching force may activate mechanoelectrical feedback, which induces calcium overload and produces afterdepolarization. These results, in turn, increase PV arrhythmogenesis and contribute to initiation of AF. Paracrine factors, effectors of the renin-angiotensin system, membranous channels, or cytoskeleton of PV myocytes may modulate PV arrhythmogenesis directly through mechanoelectrical feedback or indirectly through endocardial/myocardial cross-talk. The purpose of this review is to present laboratory and translational relevance of mechanoelectrical feedback in PV arrhythmogenesis. Targeting mechanoelectrical feedback in PV arrhythmogenesis may shed light on potential opportunities and clinical concerns of AF treatment.
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Affiliation(s)
- Yen‐Yu Lu
- Division of CardiologyDepartment of Internal MedicineSijhih Cathay General HospitalNew Taipei CityTaiwan
- School of MedicineFu‐Jen Catholic UniversityNew Taipei CityTaiwan
| | - Yao‐Chang Chen
- Department of Biomedical Engineering and Institute of PhysiologyNational Defense Medical CenterTaipeiTaiwan
| | - Yung‐Kuo Lin
- Division of Cardiovascular MedicineDepartment of Internal MedicineWan Fang HospitalTaipei Medical UniversityTaipeiTaiwan
- Cardiovacular Research CenterWan Fang HospitalTaipei Medical UniversityTaipeiTaiwan
| | - Shih‐Ann Chen
- Heart Rhythm Center and Division of CardiologyDepartment of MedicineTaipei Veterans General HospitalTaipeiTaiwan
| | - Yi‐Jen Chen
- Division of Cardiovascular MedicineDepartment of Internal MedicineWan Fang HospitalTaipei Medical UniversityTaipeiTaiwan
- Cardiovacular Research CenterWan Fang HospitalTaipei Medical UniversityTaipeiTaiwan
- Graduate Institute of Clinical MedicineCollege of MedicineTaipei Medical UniversityTaipeiTaiwan
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11
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Garvanski I, Simova I, Angelkov L, Matveev M. Predictors of Recurrence of AF in Patients After Radiofrequency Ablation. Eur Cardiol 2019; 14:165-168. [PMID: 31933685 PMCID: PMC6950489 DOI: 10.15420/ecr.2019.30.2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/07/2019] [Indexed: 01/24/2023] Open
Abstract
Catheter ablation is a well-known treatment for patients with AF. Despite the growing knowledge in the field, the identification of predictors of recurrence of AF after catheter ablation is one of the primary goals and is of major importance to improve long-term results of the procedure. The aim of this article is to provide an overview of what has been published in recent years and to summarise the major predictors, helping cardiac electrophysiologists in the selection of the right candidates for catheter ablation.
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Affiliation(s)
- Iskren Garvanski
- Acibadem City Clinic Cardiology Department Sofia, Bulgaria.,Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Sofia, Bulgaria
| | - Iana Simova
- Acibadem City Clinic Cardiology Department Sofia, Bulgaria
| | - Lazar Angelkov
- Acibadem City Clinic Cardiology Department Sofia, Bulgaria
| | - Mikhail Matveev
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Sofia, Bulgaria
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Li B, Ma H, Guo H, Liu P, Wu Y, Fan L, Cao Y, Jian Z, Sun C, Li H. Pulmonary vein parameters are similar or better predictors than left atrial diameter for paroxysmal atrial fibrillation after cryoablation. ACTA ACUST UNITED AC 2019; 52:e8446. [PMID: 31482999 PMCID: PMC6720024 DOI: 10.1590/1414-431x20198446] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 07/10/2019] [Indexed: 11/21/2022]
Abstract
Left atrial diameter (LAD) has been considered an independent risk factor for atrial fibrillation (AF) relapse after pulmonary vein isolation (PVI). However, whether LAD or other factors are more predictive of late recurrence in patients with paroxysmal AF remains unclear. We aimed to evaluate the value of pulmonary vein (PV) parameters for predicting AF relapse 1 year after patients underwent cryoablation for paroxysmal AF. Ninety-seven patients with paroxysmal AF who underwent PVI successfully were included. PV parameters were measured through computed tomography scans prior to PVI. A total of 28 patients had recurrence of AF at one-year follow-up. The impact of several variables on recurrence was evaluated in multivariate analyses. LAD and the time from first diagnosis of AF to ablation maintained its significance in predicting the relapse of AF after relevant adjustments in multivariate analysis. When major diameter of right inferior pulmonary vein (RIPV) (net reclassification improvement (NRI) 0.179, CI=0.031–0.326, P<0.05) and cross-sectional area (CSA) of RIPV (NRI: 0.122, CI=0.004–0.240, P<0.05) entered the AF risk model separately, the added predictive capacity was large. The accuracy of the two parameters in predicting recurrence of AF were not inferior (AUC: 0.665 and 0.659, respectively) to echocardiographic LAD (AUC: 0.663). The inclusion of either RIPV major diameter or CSA of RIPV in the model increased the C-index (0.766 and 0.758, respectively). We concluded that major diameter of RIPV had predictive capacity similar to or even better than that of LAD for predicting AF relapse after cryoablation PVI.
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Affiliation(s)
- Bolin Li
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Honglan Ma
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Medical College, Xi'an, Shaanxi, China
| | - Huihui Guo
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Peng Liu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yue Wu
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Lihong Fan
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yumeng Cao
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhijie Jian
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Chaofeng Sun
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hongbing Li
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Lee WC, Lee YW, Fang HY, Chen HC, Chen YL, Tsai TH, Pan KL, Lin YS, Chen MC. Common pulmonary vein on the recurrence of atrial tachyarrhythmia after pulmonary vein isolation. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2019; 42:882-889. [PMID: 31049997 DOI: 10.1111/pace.13712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/05/2019] [Accepted: 04/29/2019] [Indexed: 01/10/2023]
Abstract
AIMS Catheter ablation has become an effective treatment modality for atrial fibrillation (AF). However, the relationship between common pulmonary vein (PV) and recurrent atrial tachyarrhythmia (ATA) after PV isolation (PVI) remains controversial. This study aimed to explore the function of common PV on the risk of recurrent ATA after PVI. METHODS We identified a total of 191 patients who received radiofrequency catheter ablation for paroxysmal AF at our hospital between July 2010 and December 2017 for retrospective chart review. We collected the following data for analysis: results of preprocedural computed tomography, including the anatomy of PV and left atrial (LA) volume; the incidence of early- and late-onset recurrence of ATA. We compared these characteristics between the two groups defined by the presence or absence of the late-onset recurrence of ATA. RESULTS Compared to the no ATA recurrence group, the ATA recurrence group had larger LA size, larger LA end-diastolic and systolic volumes, larger maximal diameter of PV, higher prevalence of common PV, and higher incidence of early-onset recurrence of ATA. In multivariate logistic regression analyses, presence of common PV and early-onset recurrence were independently associated with late-onset recurrence of ATA. Compared to patients without common PV, patients with common PV had larger diameter of PV and higher incidence of late-onset recurrent ATA. CONCLUSION In patients with paroxysmal AF, early-onset recurrence of ATA and the presence of common PV were independently associated with late-onset recurrent ATA after radiofrequency catheter ablation.
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Affiliation(s)
- Wei-Chieh Lee
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yi-Wei Lee
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Hsiu-Yu Fang
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Huang-Chung Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yung-Lung Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Tzu-Hsien Tsai
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Kuo-Li Pan
- Division of Cardiology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Yu-Sheng Lin
- Division of Cardiology, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Mien-Cheng Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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