Search Results - "Jadidi, Amir S"

Mechanisms of Pulmonary Vein Reconnection After Radiofrequency Ablation of Atrial Fibrillation: The Deterministic Role of Contact Force and Interlesion Distance by PARK, CHAN-IL, LEHRMANN, HEIKO, KEYL, CORNELIUS, WEBER, REINHOLD, SCHIEBELING, JOCHEN, ALLGEIER, JUERGEN, SCHURR, PATRICK, SHAH, ASHOK, NEUMANN, FRANZ-JOSEF, ARENTZ, THOMAS, JADIDI, AMIR S.

“…Mechanisms of Pulmonary Vein Reconnection After Radiofrequency Ablation of Atrial Fibrillation Introduction Pulmonary vein reconnection (PVR) is an important…”
Get full text

Functional Nature of Electrogram Fractionation Demonstrated by Left Atrial High-Density Mapping by Jadidi, Amir S, Duncan, Edward, Miyazaki, Shinsuke, Lellouche, Nicolas, Shah, Ashok J, Forclaz, Andrei, Nault, Isabelle, Wright, Matthew, Rivard, Lena, Liu, Xingpeng, Scherr, Daniel, Wilton, Stephen B, Sacher, Frédéric, Derval, Nicolas, Knecht, Sebastien, Kim, Steven J, Hocini, Mélèze, Narayan, Sanjiv, Haïssaguerre, Michel, Jaïs, Pierre

“…BACKGROUND—Complex fractionated atrial electrograms (CFAE) are targets of atrial fibrillation (AF) ablation. Serial high-density maps were evaluated to…”
Get full text

Prevalence and Types of Pitfall in the Assessment of Mitral Isthmus Linear Conduction Block by Shah, Ashok J, Pascale, Patrizio, Miyazaki, Shinsuke, Liu, Xingpeng, Roten, Laurent, Derval, Nicolas, Jadidi, Amir S, Scherr, Daniel, Wilton, Stephen B, Pedersen, Michala, Knecht, Sebastien, Sacher, Frédéric, Jaïs, Pierre, Haïssaguerre, Michel, Hocini, Mélèze

“…BACKGROUND—To identify and understand clinically encountered pitfalls in the assessment of transmitral conduction block using differential coronary sinus and…”
Get full text

Improved outcome following restoration of sinus rhythm prior to catheter ablation of persistent atrial fibrillation: A comparative multicenter study by Rivard, Léna, MD, Hocini, Mélèze, MD, Rostock, Thomas, MD, Cauchemez, Bruno, MD, Forclaz, Andrei, MD, Jadidi, Amir S., MD, MD, Linton, Nick, MD, PhD, Nault, Isabelle, MD, Miyazaki, Shinsuke, MD, Liu, Xingpeng, MD, Xhaet, Olivier, MD, Shah, Ashok, MD, Sacher, Frédéric, MD, Derval, Nicolas, MD, Jaïs, Pierre, MD, Khairy, Paul, MD, PhD, Macle, Laurent, MD, Nattel, Stanley, MD, Willems, Stephan, MD, Haïssaguerre, Michel, MD

“…Background Catheter ablation of persistent atrial fibrillation (AF) is associated with longer procedure times and lower long-term success rates than that of…”
Get full text

Ajmaline attenuates electrocardiogram characteristics of inferolateral early repolarization by Roten, Laurent, MD, Derval, Nicolas, MD, Sacher, Frédéric, MD, Pascale, Patrizio, MD, Wilton, Stephen B., MD, MSc, Scherr, Daniel, MD, Shah, Ashok, MD, Pedersen, Michala E.F., MD, Jadidi, Amir S., MD, Miyazaki, Shinsuke, MD, Knecht, Sébastien, MD, PhD, Hocini, Mélèze, MD, Jaïs, Pierre, MD, Haïssaguerre, Michel, MD

“…Background J waves are the hallmark of both inferolateral early repolarization (ER) and Brugada syndrome. While ajmaline, a class 1a antiarrhythmic drug,…”
Get full text

Amplified sinus-P-wave analysis predicts outcomes of cryoballoon ablation in patients with persistent and long-standing persistent atrial fibrillation: A multicentre study by Creta, Antonio, Venier, Sandrine, Tampakis, Konstantinos, Providencia, Rui, Sunny, Juno, Defaye, Pascal, Earley, Mark J, Finlay, Malcolm, Hunter, Ross J, Lambiase, Pier D, Papageorgiou, Nikolaos, Schilling, Richard J, Sporton, Simon, Andrikopoulos, George, Deschamps, Elodie, Albenque, Jean-Paul, Cardin, Christèle, Combes, Nicolas, Combes, Stéphane, Vinolas, Xavier, Moreno-Weidmann, Zoraida, Huang, Taiyuan, Eichenlaub, Martin, Müller-Edenborn, Björn, Arentz, Thomas, Jadidi, Amir S, Boveda, Serge

“…Outcomes of catheter ablation for non-paroxysmal atrial fibrillation (AF) remain suboptimal. Non-invasive stratification of patients based on the presence of…”
Get full text

Pattern and Timing of the Coronary Sinus Activation to Guide Rapid Diagnosis of Atrial Tachycardia After Atrial Fibrillation Ablation by Pascale, Patrizio, Shah, Ashok J, Roten, Laurent, Scherr, Daniel, Komatsu, Yuki, Jadidi, Amir S, Ramoul, Khaled, Daly, Matthew, Denis, Arnaud, Wilton, Stephen B, Derval, Nicolas, Sacher, Frédéric, Hocini, Mélèze, Haïssaguerre, Michel, Jaïs, Pierre

“…BACKGROUND—Atrial tachycardias (AT) during or after ablation of atrial fibrillation frequently pose a diagnostic challenge. We hypothesized that both the…”
Get full text

Prospective randomized comparison between the conventional electroanatomical system and three-dimensional rotational angiography during catheter ablation for atrial fibrillation by Knecht, Sébastien, MD, Wright, Matthew, MBBS, PhD, Akrivakis, Spyridon, MD, Nault, Isabelle, MD, Matsuo, Seiichiro, MD, Chaudhry, G. Muqtada, MD, Haffajee, Charles, MD, Sacher, Frédéric, MD, Lellouche, Nicolas, MD, Miyazaki, Shinsuke, MD, Forclaz, Andrei, MD, Jadidi, Amir S., MD, Hocini, Mélèze, MD, Ritter, Phillipe, MD, Clementy, Jacques, MD, Haïssaguerre, Michel, MD, Orlov, Michael, MD, PhD, Jaïs, Pierre, MD

“…Background Theoretically, the use of electroanatomical mapping systems may reduce radiation exposure, while three-dimensional rotational atriography (3DATG)…”
Get full text

Elimination of Local Abnormal Ventricular Activities: A New End Point for Substrate Modification in Patients With Scar-Related Ventricular Tachycardia by JAÏS, Pierre, MAURY, Philippe, SHAH, Ashok, DERVAL, Nicolas, COCHET, Hubert, KNECHT, Sebastien, MIYAZAKI, Shinsuke, LINTON, Nick, RIVARD, Lena, WRIGHT, Matthew, WILTON, Stephen B, SCHERR, Daniel, KHAIRY, Paul, PASCALE, Patrizio, ROTEN, Laurent, PEDERSON, Michala, BORDACHAR, Pierre, LAURENT, François, KIM, Steven J, RITTER, Philippe, CLEMENTY, Jacques, HAÏSSAGUERRE, Michel, SACHER, Frédéric, NAULT, Isabelle, KOMATSU, Yuki, HOCINI, Meleze, FORCLAZ, Andrei, JADIDI, Amir S, WEERASOORYIA, Rukshen

“…Catheter ablation of ventricular tachycardia (VT) is effective and particularly useful in patients with frequent defibrillator interventions. Various substrate…”
Get full text

Validation of Novel 3-Dimensional Electrocardiographic Mapping of Atrial Tachycardias by Invasive Mapping and Ablation by Shah, Ashok J., MD, Hocini, Meleze, MD, Xhaet, Olivier, MD, Pascale, Patrizio, MD, Roten, Laurent, MD, Wilton, Stephen B., MD, PhD, Linton, Nick, MD, PhD, Scherr, Daniel, MD, Miyazaki, Shinsuke, MD, Jadidi, Amir S., MD, Liu, Xingpeng, MD, Forclaz, Andrei, MD, Nault, Isabelle, MD, Rivard, Lena, MD, Pedersen, Michala E.F., MD, PhD, Derval, Nicolas, MD, Sacher, Frederic, MD, Knecht, Sebastien, MD, PhD, Jais, Pierre, MD, Dubois, Remi, PhD, Eliautou, Sandra, PhD, Bokan, Ryan, BSE, Strom, Maria, PhD, Ramanathan, Charu, PhD, Cakulev, Ivan, MD, Sahadevan, Jayakumar, MD, Lindsay, Bruce, MD, Waldo, Albert L., MD, Haissaguerre, Michel, MD

“…Objectives This study prospectively evaluated the role of a novel 3-dimensional, noninvasive, beat-by-beat mapping system, Electrocardiographic Mapping (ECM),…”
Get full text

Inverse Relationship Between Fractionated Electrograms and Atrial Fibrosis in Persistent Atrial Fibrillation by Jadidi, Amir S., MD, Cochet, Hubert, MD, Shah, Ashok J., MD, Kim, Steven J., MEEng, Duncan, Edward, MD, Miyazaki, Shinsuke, MD, Sermesant, Maxime, PhD, Lehrmann, Heiko, MD, Lederlin, Matthieu, MD, Linton, Nick, MEng, Forclaz, Andrei, MD, Nault, Isabelle, MD, Rivard, Lena, MD, Wright, Matthew, MBBS, Liu, Xingpeng, MD, Scherr, Daniel, MD, Wilton, Stephen B., MD, Roten, Laurent, MD, Pascale, Patrizio, MD, Derval, Nicolas, MD, Sacher, Frédéric, MD, Knecht, Sebastien, MD, Keyl, Cornelius, MD, Hocini, Mélèze, MD, Montaudon, Michel, MD, Laurent, Francois, MD, Haïssaguerre, Michel, MD, Jaïs, Pierre, MD

“…Objectives This study sought to evaluate the relationship between fibrosis imaged by delayed-enhancement (DE) magnetic resonance imaging (MRI) and atrial…”
Get full text

Early temporal and spatial regularization of persistent atrial fibrillation predicts termination and arrhythmia-free outcome by Forclaz, Andrei, MD, Narayan, Sanjiv M., MD, FACC, FHRS, Scherr, Daniel, MD, Linton, Nick, MEng, MRCP, Jadidi, Amir S., MD, Nault, Isabelle, MD, FRCPC, Rivard, Lena, MD, Miyazaki, Shinsuke, MD, Uldry, Laurent, MEng, Wright, Matthew, MBBS, PhD, Shah, Ashok J., MD, Liu, Xingpeng, MD, Xhaet, Olivier, MD, Derval, Nicolas, MD, Knecht, Sébastien, MD, Sacher, Frédéric, MD, Jaïs, Pierre, MD, Hocini, Mélèze, MD, Haïssaguerre, Michel, MD

“…Background Termination of persistent atrial fibrillation (AF) is a valuable ablation endpoint but is difficult to anticipate. We evaluated whether temporal and…”
Get full text

Ablation of Persistent Atrial Fibrillation Targeting Low-Voltage Areas With Selective Activation Characteristics by Jadidi, Amir S, Lehrmann, Heiko, Keyl, Cornelius, Sorrel, Jérémie, Markstein, Viktor, Minners, Jan, Park, Chan-Il, Denis, Arnaud, Jaïs, Pierre, Hocini, Mélèze, Potocnik, Clemens, Allgeier, Juergen, Hochholzer, Willibald, Herrera-Sidloky, Claudia, Kim, Steve, Omri, Youssef El, Neumann, Franz-Josef, Weber, Reinhold, Haïssaguerre, Michel, Arentz, Thomas

“…BACKGROUND—Complex-fractionated atrial electrograms and atrial fibrosis are associated with maintenance of persistent atrial fibrillation (AF). We hypothesized…”
Get full text

Disparate Activation of the Coronary Sinus and Inferior Left Atrium During Atrial Tachycardia After Persistent Atrial Fibrillation Ablation: Prevalence, Pitfalls, and Impact on Mapping by PASCALE, PATRIZIO, SHAH, ASHOK J., ROTEN, LAURENT, WHINNETT, ZACHARY, WILTON, STEPHEN B., JADIDI, AMIR S., SCHERR, DANIEL, MIYAZAKI, SHINSUKE, PEDERSEN, MICHALA, DERVAL, NICOLAS, KNECHT, SÉBASTIEN, SACHER, FRÉDÉRIC, HOCINI, MÉLÈZE, HAÏSSAGUERRE, MICHEL, JAÏS, PIERRE

“…Partial Coronary Sinus Disconnection During Atrial Tachycardia. Introduction: Persistent atrial fibrillation (AF) ablation may lead to partial disconnection of…”
Get full text

Inverse Relationship Between Fractionated Electrograms and Atrial Fibrosis in Persistent Atrial Fibrillation: Combined Magnetic Resonance Imaging and High-Density Mapping by JADIDI, Amir S, COCHET, Hubert, FORCLAZ, Andrei, NAULT, Isabelle, RIVARD, Lena, WRIGHT, Matthew, XINGPENG LIU, SCHERR, Daniel, WILTON, Stephen B, ROTEN, Laurent, PASCALE, Patrizio, DERVAL, Nicolas, SHAH, Ashok J, SACHER, Frédéric, KNECHT, Sebastien, KEYL, Cornelius, HOCINI, Mélèze, MONTAUDON, Michel, LAURENT, Francois, HAÏSSAGUERRE, Michel, JAÏS, Pierre, KIM, Steven J, DUNCAN, Edward, MIYAZAKI, Shinsuke, SERMESANT, Maxime, LEHRMANN, Heiko, LEDERLIN, Matthieu, LINTON, Nick

“…This study sought to evaluate the relationship between fibrosis imaged by delayed-enhancement (DE) magnetic resonance imaging (MRI) and atrial electrograms…”
Get full text

Arterialization of Central Pulmonary Vein by Shah, Ashok J., MD, Jadidi, Amir S., MD, Lederlin, Mathieu, MD, Berger, Patrick, MD, Miyazaki, Shinsuke, MD, Hocini, Meleze, MD, Haissaguerre, Michel, MD

“…Cineangiography (B) and computed tomography scan (C, Online Figs. 3 to 5, Online Video 1) revealed uniform narrowing of the central vein with severe ostial…”
Get full text

Eccentric Activation of Coronary Sinus During Perimitral Flutter is a Rare Phenomenon: What Is the Mechanism? by SHAH, ASHOK J., JADIDI, AMIR S., LIU, XINGPENG, MYAZAKI, SHINSUKI, SCHERR, DANIEL, LINTON, NICK, XHAET, OLIVIER, SACHER, FREDERIC, DERVAL, NICOLAS, HAISSAGUERRE, MICHEL, HOCINI, MELEZE, JAIS, PIERRE

Get full text

Clinical frontiers in electrocardiographic early repolarization syndrome： does a good guy turn bad now by Liu, Xingpeng, Shah, Ashok, Sacher, Frédéric, Derval, Nicolas, Jadidi, Amir S, Hocini, Mélèze, Haissaguerre, Michel

“…Early repolarization pattern （ERP） is a common electrocardiographic （ECG） variant, characterized by J point elevation manifested either as QRS slurring （at the…”
Get full text

Preprocedural Clinical Parameters Determining Perimitral Conduction Time During Mitral Isthmus Line Ablation by Miyazaki, Shinsuke, Shah, Ashok J, Liu, Xingpeng, Jadidi, Amir S, Nault, Isabelle, Wright, Matthew, Forclaz, Andrei, Linton, Nick, Xhaët, Olivier, Rivard, Lena, Derval, Nicolas, Knecht, Sébastien, Sacher, Frédéric, Hocini, Mélèze, Jaïs, Pierre, Haïssaguerre, Michel

“…BACKGROUND—Achievement of complete conduction block across left mitral isthmus (MI) is challenging. Anticipation of perimitral conduction time (PMCT)…”
Get full text

Validation of Novel 3-Dimensional Electrocardiographic Mapping of Atrial Tachycardias by Invasive Mapping and Ablation: A Multicenter Study by SHAH, Ashok J, HOCINI, Meleze, XINGPENG LIU, FORCLAZ, Andrei, NAULT, Isabelle, RIVARD, Lena, PEDERSEN, Michala E. F, DERVAL, Nicolas, SACHER, Frederic, KNECHT, Sebastien, JAIS, Pierre, DUBOIS, Remi, XHAET, Olivier, ELIAUTOU, Sandra, BOKAN, Ryan, STROM, Maria, RAMANATHAN, Charu, CAKULEV, Ivan, SAHADEVAN, Jayakumar, LINDSAY, Bruce, WALDO, Albert L, HAISSAGUERRE, Michel, PASCALE, Patrizio, ROTEN, Laurent, WILTON, Stephen B, LINTON, Nick, SCHERR, Daniel, MIYAZAKI, Shinsuke, JADIDI, Amir S

“…This study prospectively evaluated the role of a novel 3-dimensional, noninvasive, beat-by-beat mapping system, Electrocardiographic Mapping (ECM), in…”
Get full text