Institutionen för Medicin - KI Open Archive - Karolinska Institutet

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Methods and Results Patients (30) undergoing CTI ablation were enrolled prospectively in the Study cohort and compared with a retrospective Control cohort of 30 patients. 2020-11-19 Background: Ablation index (AI) has been evaluated as guidance quality marker for pulmonary vein isolation, but not for linear ablation of the cavotricuspid isthmus (CTI) for typical right atrial flutter (AFL). We thus studied the feasibility and effectiveness of AI-guided CTI for AFL. Methods: Procedural and 6-month outcomes of ablation for AFL were retrospectively compared between 2019-11-01 , Rodriguez L-M, Timmermans C, vd Dool A, Smeets JLRM, Wellens HJJ. Effect of right atrial isthmus ablation on the occurrence of atrial fibrillation: observations in four patient groups having type I atrial flutter with or without associated atrial fibrillation (Abstr). ABSTRACT. Cavotricuspid isthmus-dependent atrial flutter is an arrhythmia that is frequently encountered in the electrophysiology laboratory, and can be successfully ablated with conventional mapping and ablation techniques.In difficult cases, use of intracardiac echo imaging can be invaluable in guiding the ablation. We report a case of common right atrial flutter that was ablated Conclusions Radiofrequency ablation of the cavotricuspid isthmus was effective in eliminating typical atrial flutter without injury of antegrade fast AV node conduction.

Circulation 2000;101(18):2178–2184. Crossref, Medline, Google Scholar; 8 Da Costa A, Faure E, Thevenin J, et al. Effect of isthmus anatomy and ablation catheter on radiofrequency catheter ablation of the cavotricuspid isthmus. 2016-11-11 · Background: Catheter ablation of the cavotricuspid isthmus (CTI) is traditionally performed using fluoroscopy and electroanatomical mapping systems. Zero-fluoroscopy approaches have recently been studied, mostly using the EnSite® mapping system (St. Jude Medical Inc., St. Paul, MN). AB - To verify and re-emphasise the efficacy of the max electrogram-guided approach for ablation of cavotricuspid isthmus (CTI)-dependent atrial flutter (AFL). U2 - 10.1016/j.jelectrocard.2013.05.004 cavotricuspid isthmus, from the positive to the negative poles of E1 and E2. During coronary sinus pacing before ablation, the initial polarity of the electrograms recorded at E1 and E2 is predominantly positive, consistent with clockwise activation across the cavotricuspid isthmus, from the negative Maximum electrogram-guided ablation of cavotricuspid isthmus-dependent atrial flutter.

Institutionen för Medicin - KI Open Archive - Karolinska Institutet

Am J Cardiol 2004;94: Apr 20, 2015 evaluation period); after 90 days of therapy if the treatment failed. Ablation: • PVI 100% (103/103).

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Ablation index (AI) has been evaluated as guidance quality marker for pulmonary vein isolation, but not for linear ablation of the cavotricuspid isthmus (CTI) for typical right atrial flutter (AFL). We thus studied the feasibility and effectiveness of AI‐guided CTI for AFL. Methods 2021-04-20 2019-05-05 A cavotricuspid isthmus (CTI) pouch, a common anatomical anomaly, complicates the creation of a CTI block line for common atrial flutter (cAFL) because ablation within the pouch is difficult. The clinical significance of the pouch for a cAFL circuit has not fully been explained.

The acute success rate for ablation of cavotricuspid isthmus–dependent atrial flutter is high even after adjusting for reporting bias. Surprisingly, the use of large-tip and irrigated catheters showed only a very strong trend toward improving acute ablation success rates over 4- to 6-mm tip catheters. Radiofrequency ablation (RFA) is the treatment of choice of cavotricuspid isthmus (CTI)-dependent atrial flutter.
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100-110Artikkel i tidsskrift Gold-tip versus contact-sensing catheter for cavotricuspid isthmus ablation: A comparative study. September 2018; Turk Kardiyoloji Dernegi Atriocaval Rupture After Right Atrial Isthmus Ablation for Atrial Flutter. tip catheter to achieve a bidirectional conduction block of the cavo-tricuspid isthmus. Impact of cavotricuspid isthmus morphology in CRYO versus radiofrequency ablation of typical atrial flutter. Saygi S, Bastani H, Drca N, Insulander P, Wredlert C, av J Pontoppidan · 2009 · Citerat av 26 — SwePub titelinformation: Prophylactic cavotricuspid isthmus block during atrial fibrillation ablation in patients without atrial flutter: a randomised controlled trial.

100-110Artikel i tidskrift history of atrial flutter (AFL) had any benefit of prophylactic cavotricuspid isthmus block (CTIB) in addition to circumferential pulmonary vein ablation (CPVA). 2006 (engelsk)Inngår i: Indian Pacing and Electrophysiology Journal, ISSN 0972-6292, E-ISSN 0972-6292, Vol. 6, nr 2, s.
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cavotricuspid isthmus ablation. Thread starter bennieyoung; Start date Feb 3, 2015; B. bennieyoung Networker. Messages 36 Best answers 0. Feb 3, 2015 #1 Background: Typical atrial flutter involving the cavotricuspid isthmus (CTI) is the most common reentrant arrhythmia in congenital heart disease and ablation is effective in its management. However, congenital heart disease patients often require surgical interventions on their tricuspid valve that utilize prosthetic material, making CTI ablation technically challenging.

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We present a case of a cavo-tricuspid isthmus (CTI) ablation in a 77-year-old man Simultaneous ablation of atrial fibrillation (AF) and cavotricuspid isthmus (CTI)- dependent atrial flutter can be performed when both arrythmias had been 26 Apr 2019 focus on the clinical perspectives for CTI-dependent AFL. Keywords: typical atrial flutter, cavotricuspid isthmus-dependent, catheter ablation Radiofrequency (RF) catheter ablation is one of the most common strategies for the current management of cavotricuspid isthmus (CTI)-dependent atrial flutter Abstract Objectives This study sought to define the association between conduction recovery across the cavotricuspid isthmus (CTI) and typical atrial flutter (AFL) However, it remains unclear whether prophylactic cavotricuspid isthmus (CTI) ablation at the time of PVI improves long-term freedom from AF. Objective. To Catheter ablation of the cavo-tricuspid isthmus (CTI) is a well-established and curative first-line therapy for patients with typical atrial flutter with success rates We hypothesised that performing an empiric Cavotricuspid Isthmus CTI line ablation in case of non-inducibility of arrhythmia will lead to good outcomes. Long-term Radiofrequency (RF) ablation of the cavotricuspid isthmus. (CTI) has become first line therapy for typical atrial flutter.

Request PDF | Ablation of Cavotricuspid Isthmus–Dependent Atrial Flutters | s Cavotricuspid isthmus (CTI)-dependent atrial flutter (AFL) is a common atrial arrhythmia, often occurring in cavotricuspid isthmus: The electrically conductive tissue that separates the inferior vena cava from the tricuspid valve. It is the part of the atrium in which the re-entrant electrical activity of atrial flutter circulates. See also: isthmus 2012-10-23 Ablation of Atrial Fibrillation at the Time of Cavotricuspid Isthmus Ablation in Patients With Atrial Flutter Without Documented Atrial Fibrillation Derives a Better Long-Term Benefit Article Jan 2011 2016-11-11 PDF | On Jan 1, 2021, Eue-Keun Choi published Prophylactic Cavotricuspid Isthmus Ablation in Patients without Typical Atrial Flutter: End of the Line | Find, read and cite all the research you Cavotricuspid isthmus ablation is a therapeutic option in CTI dependent flutters (2).