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High-resolution mapping of the circuit of typical atrioventricular nodal reentrant tachycardia
ConclusionsTypical AVNRT uses a circuit confined within the pyramid of Koch from the AV node to the septal isthmus, involving the myocardial walls of the pyramidal space. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 11, 2023 Category: Cardiology Source Type: research

Influence of the irrigation flow pattern and catheter tip design on the lesion formation: an ex vivo experimental model
ConclusionThe lesion formation and lesion surface characteristics differed among the different irrigation tip designs. An auto-regulated irrigation system did not affect the lesion creation or surface lesion characteristics. Care should be given to the inter-product differences in the lesion characteristics during RF catheter ablation, partly due to the irrigation flow control and tip design. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 11, 2023 Category: Cardiology Source Type: research

Magnetocardiographic risk stratification in patients with Brugada-pattern ST-elevation
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 11, 2023 Category: Cardiology Source Type: research

Dual linear lesions for right atrial flutter after mitral valve surgery via the superior transseptal approach
ConclusionDual linear lesions in the CTI and superior RA vestibule are an effective treatment option for RA macroreentrant AFL after the STA.Graphical Abstract (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 9, 2023 Category: Cardiology Source Type: research

Activity after an acute cardiovascular event —room for improvement!
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 8, 2023 Category: Cardiology Source Type: research

A successful case of percutaneous retrieval of anchoring sleeve that migrated into the subclavian vein during left bundle branch area pacing
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 5, 2023 Category: Cardiology Source Type: research

Inappropriate shocks due to P-wave oversensing in a patient with a subcutaneous implantable cardioverter-defibrillator
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - September 5, 2023 Category: Cardiology Source Type: research

Superior vena cava isolation using a multielectrode pulsed field ablation catheter
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 25, 2023 Category: Cardiology Source Type: research

Optimizing fibrosis detection: a comparison of electroanatomical mapping and late enhancement gadolinium magnetic resonance imaging
ConclusionsA voltage cutoff of 0.7 mV provided the best correlation between EAM and LGE MRI for detecting left atrial fibrosis. It supports the idea that a 0.5-mV cutoff may underestimate fibrosis, as areas with local signal voltages between 0.6 and 0.8 mV could also show LGE on MRI. Further research is needed to determine the ideal voltage cutoff for detecting left atrial fibrosis. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 23, 2023 Category: Cardiology Source Type: research

Early effects of left bundle branch area pacing on ventricular activation by speckle tracking echocardiography
ConclusionsEchocardiographic strain analysis shows that LBBAP determines a fast and synchronous biventricular contraction with a stereotype mechanical activation, regardless of baseline QRS duration, pattern, and LV function.Graphical Abstract (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 21, 2023 Category: Cardiology Source Type: research

A giant left atrial appendage aneurysm with left atrial flutter: feasibility of catheter ablation strategy
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 21, 2023 Category: Cardiology Source Type: research

Ripple AT Plus — isthmus-guided vs conventional ablation in the treatment of scar-related atrial tachycardia: study protocol for a randomised controlled trial
ConclusionThis is the first trial that considers long-term patient outcomes post s-AT ablation, and whether targeting narrower isthmuses in the era of high density is optimal. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 18, 2023 Category: Cardiology Source Type: research

Substrate and arrhythmia characterization using the multi-electrode Optrell mapping catheter for ventricular arrhythmia ablation —a single-center experience
ConclusionsThis novel MPMC can be used safely and effectively to create high-density maps in LV endocardium or epicardium. Limitations of the catheter include a longer wait time for matrix formation prior to starting point collection and challenges in manipulation in certain regions. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 18, 2023 Category: Cardiology Source Type: research

Pulsed field ablation of incessant superior vena cava –triggered atrial fibrillation: watch out for the sinoatrial node
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 17, 2023 Category: Cardiology Source Type: research

High-power short-duration catheter ablation of atrial fibrillation: is it really a new era? Comparison between new and old radiofrequency contact force –sensing catheters
ConclusionsIn our initial clinical experience, HPSD PVI with the TFSE catheter proved faster than SPLD PVI with the TCSE catheter, at least equally effective in terms of FPI, and it was associated with greater impedance drop.Graphical abstractMain study findings. Abbreviations: DAP, dose area product; HPSD –TFSE, high-power short-duration with the TactiFlex™, Sensor Enabled™ catheter; PVI, pulmonary vein isolation; RF, radiofrequency energy; SPLD –TCSE, standard-power long-duration ablation with the TactiCath, Sensor Enabled™ catheter (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - August 16, 2023 Category: Cardiology Source Type: research