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Dive into the research topics where Li-Wei Lo is active.

Publication


Featured researches published by Li-Wei Lo.


Journal of Cardiovascular Electrophysiology | 2006

Morphologic Characteristics of the Left Atrial Appendage, Roof, and Septum: Implications for the Ablation of Atrial Fibrillation

Wanwarang Wongcharoen; Hsuan-Ming Tsao; Mei-Han Wu; Ching-Tai Tai; Shih-Lin Chang; Yenn-Jiang Lin; Li-Wei Lo; Yi-Jen Chen; Ming-Huei Sheu; Cheng-Yen Chang; Shih-Ann Chen

Introduction: The left atrium (LA) ablation in different regions, including LA appendage (LAA), LA roof, and LA septum, has recently been proposed to improve the success rate of treating patients with atrial fibrillation (AF). The purpose of this study was to investigate the anatomy of LAA, LA roof, and LA septum, using computed tomography (CT).


Journal of Cardiovascular Electrophysiology | 2007

The Efficacy of Inducibility and Circumferential Ablation with Pulmonary Vein Isolation in Patients with Paroxysmal Atrial Fibrillation

Shih-Lin Chang; Ching-Tai Tai; Yenn-Jiang Lin; Wanwarang Wongcharoen; Li-Wei Lo; Ta-Chuan Tuan; Ameya R. Udyavar; Sheng-Hsiung Chang; Hsuan-Ming Tsao; Ming-Hsiung Hsieh; Yu-Feng Hu; Yi-Jen Chen M.D.; Shih-Ann Chen

Introduction: Some conflicting results of the efficacy of the inducibility test used in the catheter ablation of atrial fibrillation (AF) have been reported. The aim of this study was to investigate the inducibility and efficacy of circumferential ablation with pulmonary vein isolation (PVI) in patients with paroxysmal AF and its relationship to the atrial substrate.


Journal of Cardiovascular Electrophysiology | 2007

Biatrial substrate properties in patients with atrial fibrillation.

Shih-Lin Chang; Ching-Tai Tai; Yenn-Jiang Lin; Wanwarang Wongcharoen; Li-Wei Lo; Ta-Chuan Tuan; Ameya R. Udyavar; Sheng-Hsiung Chang; Hsuan-Ming Tsao; Ming-Hsiung Hsieh; Yu-Feng Hu; Yi-Jen Chen; Shih-Ann Chen

Introduction: The atrial substrate plays an important role in the maintenance of atrial fibrillation (AF). Further investigation of the biatrial substrate may be helpful for understanding the mechanism of AF. The aim of this study was to investigate the properties of right and left atrial (RA and LA) substrate in AF patients and their impact on the catheter ablation.


Journal of Cardiovascular Electrophysiology | 2007

Progressive Remodeling of the Atrial Substrate—A Novel Finding from Consecutive Voltage Mapping in Patients with Recurrence of Atrial Fibrillation After Catheter Ablation

Li-Wei Lo; Ching-Tai Tai; Yenn-Jiang Lin; Shih-Lin Chang; Wanwarang Wongcharoen; Sheng-Hsiung Chang; Ming-Hsiung Hsieh; Ta-Chuan Tuan; Ameya R. Udyavar; Yi-Jen Chen M.D.; Hsuan-Ming Tsao; Shih-Ann Chen

Background: Atrial substrate properties have been demonstrated to be related to atrial arrhythmias. This study investigated whether the atrial substrate exhibits progressive remodeling in patients with recurrence of atrial fibrillation (AF) after catheter ablation.


Journal of Cardiovascular Electrophysiology | 2009

The Impact of Left Atrial Size on Long‐Term Outcome of Catheter Ablation of Chronic Atrial Fibrillation

Li-Wei Lo; Yenn-Jiang Lin; Hsuan-Ming Tsao; Shih-Lin Chang; Ameya R. Udyavar; Yu-Feng Hu; Kwo-Chang Ueng; Wen-Chin Tsai; Ta-Chun Tuan; Chien-Jung Chang; Wei-Hua Tang; Satoshi Higa; Ching-Tai Tai; Shih-Ann Chen

Background: The left atrial (LA) size is an important predictor of atrial fibrillation (AF) procedural termination and the long‐term outcome. We sought to evaluate the long‐term outcome in regard to the LA size and procedural termination.


Journal of Cardiovascular Electrophysiology | 2010

The Impact of Age on the Electroanatomical Characteristics and Outcome of Catheter Ablation in Patients with Atrial Fibrillation

Ta-Chuan Tuan; Shih-Lin Chang; Hsuan-Ming Tsao; Ching-Tai Tai; Yenn-Jiang Lin; Yu-Feng Hu; Li-Wei Lo; Ameya R. Udyavar; Chien-Jong Chang; Wen-Chin Tsai; Wei-Hua Tang; Kazuyoshi Suenari; Shih-Yu Huang; Pi-Change Lee; Shih-Ann Chen

Age and Atrial Fibrillation.u2002u2002Background: Previous studies have indicated that atrial fibrillation (AF) in patients over the age of 60 at diagnosis is a risk factor for a substantial increase in cardiovascular events. However, information about the impact of age on the atrial substrate and clinical outcome after catheter ablation of AF is limited.


Journal of Cardiovascular Electrophysiology | 2008

The important role of pulmonary vein carina ablation as an adjunct to circumferential pulmonary vein isolation.

Ameya R. Udyavar; Shih-Lin Chang; Ching-Tai Tai; Yenn-Jiang Lin; Li-Wei Lo; Ta-Chuan Tuan; Hsuan-Ming Tsao; Ming-Hsiung Hsieh; Yu-Feng Hu; Shuo-Ju Chiang; Yi-Jen Chen; Wanwarang Wongcharoen; Satoshi Higa; Kwo-Chang Ueng; Shih-Ann Chen

Objectives and Background: The success rate of achieving electrical isolation by circumferential pulmonary vein ablation (CPVA) varies from 32% to 88%. We carried out ablation at the pulmonary vein carina to evaluate the elimination rates of the pulmonary vein potentials (PVPs) after one round of CPVA had failed to eliminate all the PVPs in the patients with atrial fibrillation (AF).


Journal of Cardiovascular Electrophysiology | 2009

Induced atrial tachycardia after circumferential pulmonary vein isolation of paroxysmal atrial fibrillation: Electrophysiological characteristics and impact of catheter ablation on the follow-up results

Shih-Lin Chang; Yenn-Jiang Lin; Ching-Tai Tai; Li-Wei Lo; Ta-Chuan Tuan; Ameya R. Udyavar; Yu-Feng Hu; Shuo-Ju Chiang; Wanwarang Wongcharoen; Hsuan-Ming Tsao; Kwo-Chang Ueng; Satoshi Higa; Pi-Chang Lee; Shih-Ann Chen

Introduction: Atrial tachycardia (AT), including focal and reentrant AT, can occur after circumferential pulmonary vein isolation (CPVI). The aim of this study was to investigate the electrophysiological characteristics of induced AT and its clinical outcome.


Journal of Cardiovascular Electrophysiology | 2006

Anatomic Characteristics of the Left Atrial Isthmus in Patients with Atrial Fibrillation: Lessons from Computed Tomographic Images

Shuo-Ju Chiang; Hsuan-Ming Tsao; Mei-Han Wu; Ching-Tai Tai; Shih-Lin Chang; Wanwarang Wongcharoen; Yenn-Jiang Lin; Li-Wei Lo; Yi-Jen Chen; Ming-Huei Sheu; Cheng-Yen Chang; Shih-Ann Chen

Introduction: Left atrial (LA) isthmus ablation was reported to improve the success rate of catheter ablation of paroxysmal atrial fibrillation (AF). LA isthmus ablation could also cure a subset of LA flutter. Therefore, understanding the anatomy of the LA isthmus is important for performing the ablation effectively.


Journal of Cardiovascular Electrophysiology | 2013

Long-term outcome of catheter ablation in patients with atrial fibrillation originating from nonpulmonary vein ectopy

Hung-Yu Chang; Li-Wei Lo; Yenn-Jiang Lin; Shih-Lin Chang; Yu-Feng Hu; Cheng-Hung Li; Tze-Fan Chao; Fa-Po Chung; Trung Le Ha; Rahul Singhal; Eric Chong; Wei-Hsian Yin; Hsuan-Ming Tsao; Ming-Hsiung Hsieh; Shih-Ann Chen

Long‐Term Outcome of NPV AF Ablation.u2002Introduction: Data regarding the long‐term outcome of catheter ablation in patients with nonpulmonary vein (NPV) ectopy initiating atrial fibrillation (AF) are limited. We aimed to evaluate the long‐term result of patients with AF who had NPV triggers and underwent catheter ablation.

Collaboration


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Shih-Ann Chen

Taipei Veterans General Hospital

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Yenn-Jiang Lin

Taipei Veterans General Hospital

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Shih-Lin Chang

Taipei Veterans General Hospital

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Yu-Feng Hu

Taipei Veterans General Hospital

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Hsuan-Ming Tsao

National Yang-Ming University

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Ching-Tai Tai

Taipei Veterans General Hospital

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Ta-Chuan Tuan

Taipei Veterans General Hospital

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Ameya R. Udyavar

Taipei Veterans General Hospital

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Tze-Fan Chao

Taipei Veterans General Hospital

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Kazuyoshi Suenari

Taipei Veterans General Hospital

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