Publications by authors named "Jean-Rodolphe Roux"
Background: Conventional bipolar electrodes (CBE) may be suboptimal to detect local abnormal ventricular activities (LAVAs). Microelectrodes (ME) may improve the detection of LAVAs. This study sought to elucidate the detectability of LAVAs using ME compared with CBE in patients with scar-related ventricular tachycardia (VT).
View Article and Find Full Text PDFImpact of Vein of Marshall Ethanol Infusion on Mitral Isthmus Block: Efficacy and Durability.
Circ Arrhythm Electrophysiol
December 2020
Background: Achieving bidirectional mitral isthmus (MI) block using radiofrequency catheter ablation (RFCA) alone is challenging, and MI reconnection is common. Adjunctive vein of Marshall (VOM) ethanol infusion (VOM-Et) can facilitate acute MI block. However, little is known about its long-term success.
View Article and Find Full Text PDFBackground: Atrial fibrillation ablation-related atrial tachycardia (AT) is complex and may demonstrate several forms: anatomic macroreentrant AT (AMAT), non-AMAT, and focal AT. We aimed to elucidate the recurrence rate and mechanisms of atrial fibrillation ablation-related AT recurrence.
Methods: Among 147 patients with ATs treated with the Rhythmia system, 68 (46.
Objectives: This study sought to identify atrial tachycardia (AT) demonstrating atrial activation duration (AAD) lasting longer than the length of the tachycardia cycle (TCL); to assess AT prevalence; and to evaluate the mechanisms and characteristics associated with these AT episodes by using the Rhythmia system (Boston Scientific, Marlborough, Massachusetts).
Background: Ultra-high-density mapping allows very accurate characterization of mechanisms involved in AT. Some complex patterns may involve AAD which is longer than the tachycardia cycle length (TCL) which makes maps difficult to interpret.
Article Synopsis
- A new software called "LUMIPOINT" helps doctors see how heart activity is happening during a type of fast heart rhythm called atrial tachycardia (AT).
- This study looked at how the patterns in the software could tell the difference between two types of AT: focal (which starts in one spot) and reentrant (which moves in a loop).
- The results showed that focal ATs have a specific pattern that stands out, while reentrant ATs cover the whole area, helping doctors identify problem spots in the heart better.