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High density mapping of atrial tachycardia in patients post cardiac surgery
AbstractMapping and ablation of atrial tachycardia (AT) in patients who have had prior cardiac surgery can be a challenge for clinical electrophysiologists. High density mapping (HDM) technology has been widely used in these patients because it provides a better characterization of the substrate and the mechanisms with an unprecedented high resolution. In this review, we summarize how the latest HDM technologies can reveal the mechanism of AT in different types of patients post-cardiac surgery and guide a specifically tailored ablation strategy. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - November 2, 2023 Category: Cardiology Authors: Jinlin Zhang Tags: REVIEW Source Type: research

Septal fascicle involvement during a Purkinje ‐related ventricular tachycardia: Electroanatomic correlation using omnipolar technology
We describe a case of idiopathic PRVT with LSF involvement using omnipolar technology (OT) mapping in relation to a false tendon. Ablation in the area with concealed fusion entrainment did not terminate the tachycardia. However, radiofrequency application in the area of LSF with manifest fusion entrainment, resulted in immediate tachycardia termination. Six months follow-up showed no tachycardia recurrence. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - November 1, 2023 Category: Cardiology Authors: Pablo J. S ánchez‐Millán, Eva Cabrera‐Borrego, Jaime Amador‐Fernández, Miguel Álvarez Tags: CASE REPORT Source Type: research

Hospitalization for permanent pacemaker implantation in the context of isolated sinus node dysfunction is associated with increased mortality compared with an outpatient strategy
ConclusionsSND is predominantly a disease associated with ageing and comorbid populations, where avoidance of deconditioning, hospitalization acquired infections, and polypharmacy is advantageous. Admission avoidance is therefore the preferable strategy. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - November 1, 2023 Category: Cardiology Authors: Alexander Sharp, Gareth Matthews, Nikolaos Papageorgiou, Richard Till, Daniel Raine, Ian Williams, Cairistine Grahame ‐Clarke, Santosh Nair, Omar Abdul‐Samad, Vassilios Vassiliou, Pankaj Garg, Wei Yao Lim Tags: DEVICES Source Type: research

Misplacement of pacemaker leads: How to avoid and how to approach?
AbstractThe use of cardiac implantable electronic devices has increased in recent years due to factors such as a growing population, increased life expectancy, and improved access to healthcare services. In parallel with this trend, complications related to pacemakers have also increased. One of the most important and preventable complications among these is lead misplacement. Misplacement of a permanent pacemaker lead in the LV can lead to a variety of complications, including damage to the heart muscle, arrhythmias, blood clotes and cerebrovascular events. It is recommended to use the fluoroscopic 40 ° LAO view during i...
Source: Pacing and Clinical Electrophysiology : PACE - November 1, 2023 Category: Cardiology Authors: Almina Erdem, Akin Torun Tags: COMMENTARY Source Type: research

Revisiting predictors of worse atrioventricular valve and left ventricular systolic function following pacemaker therapy
ConclusionWorsening TR, MR, and LVEF after pacemaker implantation were not associated with the type of pacing device but loss of atrioventricular synchrony or dependency on RV pacing. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 31, 2023 Category: Cardiology Authors: Kenichi Sasaki, Daisuke Togashi, Ikutaro Nakajima, Yui Nakayama, Tomoo Harada, Yoshihiro J. Akashi Tags: ORIGINAL ARTICLE Source Type: research

A double tachycardia: Two swords do not fit in one scabbard
(Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 31, 2023 Category: Cardiology Authors: Soorampally Vijay, Yajnik Mukund Kumble, Ansul Patodia, Yash Lokhandwala Tags: EP ROUNDS Source Type: research

Contrast ‐enhanced computed tomography in the venous rather than the arterial phase is essential for the evaluation of the right phrenic nerve
ConclusionContrast-enhanced CT images of the venous phase, rather than the arterial phase, are useful in detecting the right PBs, especially in patients with heart failure or reduced left ventricular ejection fraction. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 30, 2023 Category: Cardiology Authors: Toshihiko Tsuji, Daisetsu Aoyama, Tomokazu Ishida, Ryohei Nomura, Shota Kakehashi, Moe Mukai, Kanae Hasegawa, Hiroyasu Uzui, Hiroshi Tada Tags: ELECTROPHYSIOLOGY Source Type: research

The missing vector – TactiFlex sensor enabled ablation catheter
AbstractNew ablation catheters have continuously developed to improve the safety and efficacy of ablation procedures. The TactiFlex Ablation Catheter Sensor Enabled (Abbott, Minneapolis, MN) is a novel open-irrigation radiofrequency ablation catheter that has contact force-sensing technology and flexible tip, allowing real-time contact force assessment with directionality. This case report reported a loss of contact force vector and directionality with the TactiFlex SE ablation catheter during de novo atrial fibrillation (AF) ablation. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 28, 2023 Category: Cardiology Authors: Jakrin Kewcharoen, Rahul Bhardwaj, Jalaj Garg Tags: CASE REPORT Source Type: research

Remote monitoring of implantable cardiac monitors in patients with unexplained syncope: Predictors of false ‐positive alert episodes
ConclusionPatients who have PVCs are at higher risk of inappropriate ICM activations. To reduce the occurrence of FP alerts, it may be beneficial to target a large R-wave amplitude during device insertion and avoid programming a low-frequency filter at 0.05  Hz. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 27, 2023 Category: Cardiology Authors: Vincenzo Russo, Simona Covino, Valentina De Pasquale, Erika Parente, Angelo Comune, Anna Rago, Andrea Antonio Papa, Ernesto Ammendola, Andrea Spadaro Guerra, Paola Napoli, Paolo Golino, Gerardo Nigro Tags: DEVICES Source Type: research

Systematic use of half normal saline during ablation of ventricular tachycardia in structural heart disease
ConclusionSystematic use of HNS during VT ablations in patients with structural heart disease leads to long-term recurrences rates and complications in the range of what is reported using normal saline. Although controlled studies are needed for demonstrating the superiority of such attitude, the use of HNS in every scar-related VT ablation seems safe for standard cases and may be furthermore useful in case of refractory arrhythmias due to difficult-to-ablate substrates. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 27, 2023 Category: Cardiology Authors: Miloud Cherbi, Quentin Voglimacci ‐Stephanopoli, Hubert Delasnerie, Franck Mandel, Guillaume Domain, Deborah Foltran, Pierre Mondoly, Maxime Beneyto, Anne Rollin, Philippe Maury Tags: ELECTROPHYSIOLOGY Source Type: research

The individual relationship between atrial fibrillation sources from CARTOFINDER mapping and atrial cardiomyopathy
ConclusionThe presence of ROIs from CF mapping was not directly associated with the extent and location of fibrosis. Further studies evaluating the relationship between focal and rotational activity and atrial cardiomyopathy are mandatory. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 27, 2023 Category: Cardiology Authors: Denise Guckel, Misagh Piran, Leonard Bergau, Mustapha El Hamriti, Thomas Fink, Vanessa Sciacca, Jan ‐Christian Reil, Martin Braun, Moneeb Khalaph, Guram Imnadze, Katharina Kramer, Sarah Friedrich, Jasmin Rühl, Hermann Körperich, Philipp Tags: ELECTROPHYSIOLOGY Source Type: research

Zero ‐fluoroscopy ablation with multielectrode pulse field ablation system: Case series
We report a first case series of three patients where a zero-fluoroscopy approach by intracardiac echocardiography was utilized and present a possible workflow for zero-fluoroscopy ablation with the Farapulse PFA system. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 27, 2023 Category: Cardiology Authors: Martin Rauber, Martin Manninger, Anna ‐Sophie Eberl, Daniel Scherr Tags: BRIEF COMMUNICATION Source Type: research

How likely is the sense ‐B‐noise to affect patients with subcutaneous implantable cardioverter‐defibrillators and can we solve that problem in every case?
ConclusionThe sense-B-noise affected 3% of patients in our cohort, with an incidence of 0.012 per patient-year of follow-up. Most patients potentially vulnerable to sense-B noise could be reprogrammed to the secondary sensing vector, if necessary. Further investigation of the sense-B-noise issue is needed. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 22, 2023 Category: Cardiology Authors: Szymon Budrejko, Agnieszka Zienciuk ‐Krajka, Szymon Olędzki, Ludmiła Daniłowicz‐Szymanowicz, Maciej Kempa Tags: DEVICES Source Type: research

Can phrenic nerve injury be anticipated by larger cryoballoons?
AbstractRecently, a novel size-adjustable cryoballoon has been introduced in clinical practice, which can be inflated to two different diameters (28 and 31  mm). The 31 mm cryoballoon is specifically designed to achieve better contact with remodeled pulmonary veins (PVs) that have wider ostia while avoiding deep cannulation, thereby potentially reducing the risk of phrenic nerve injury (PNI) associated with deep balloon cannulation. However, we encou ntered two cases of PNI during cryoballoon ablation using the novel system among our initial 25 consecutive case series. Herein, we present two cases that exhibited PNI duri...
Source: Pacing and Clinical Electrophysiology : PACE - October 21, 2023 Category: Cardiology Authors: Kentaro Goto, Shinsuke Miyazaki, Takuro Nishimura, Tomomasa Takamiya, Susumu Tao, Masateru Takigawa, Tetsuo Sasano Tags: BRIEF COMMUNICATION Source Type: research

Predictors of long ‐term survival in Japanese patients with heart failure with reduced ejection fraction (HFrEF) treated with cardiac resynchronization therapy‐defibrillators (CRT‐D)
ConclusionsIn Japanese CRT-D cases, lower NHYA class, preexisting mechanical dyssynchrony, and 1-year response to CRT predict long-term survival. (Source: Pacing and Clinical Electrophysiology : PACE)
Source: Pacing and Clinical Electrophysiology : PACE - October 21, 2023 Category: Cardiology Authors: Yuta Sakaguchi, Daisuke Izumi, Rhythm Wada, Rie Akagawa, Naomasa Suzuki, Takahiro Hakamata, Yasuhiro Ikami, Yuki Hasegaw, Sou Otsuki, Nobue Yagihara, Kenichi Iijima, Takayuki Inomata Tags: DEVICES Source Type: research