ArticleJournal of interventional cardiology2021
New Discovery of Left Atrial Macroreentry Tachycardia: Originating from the Spontaneous Scarring of Left Atrial Anterior Wall.
Article in Journal of interventional cardiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.
- Efficacy of left atrial low-voltage area-guided catheter ablation of atrial fibrillation: An updated systematic review and meta-analysis.Frontiers in cardiovascular medicine · 2022Pooled it
- Observations about left atrial tachycardias: Broadening our understanding.Heart rhythm O2 · 2026Article
- Characteristics, pathophysiological mechanisms, and ablation outcomes of patients with de novo left atrial flutter compared with patients with postablation left atrial flutter.Heart rhythm O2 · 2026Article
- Atrial Cardiomyopathy and Atrial Fibrillation: Insight From Histopathological Analysis of Atrial Biopsies.Korean circulation journal · 2026Review
- Sex differences in atrial fibrillation-related atrial remodelling assessed by electroanatomic mapping and biopsy.European heart journal · 2026Article
- Nomogram for severe low-voltage areas prediction in older patients with paroxysmal atrial fibrillation: a retrospective cohort study.BMC geriatrics · 2025Article
- Peri-Mitral Atrial Tachycardia Following Transcatheter Aortic Valve Replacement.JACC. Case reports · 2025Article
- Re-recognize early recurrence of persistent atrial fibrillation.Frontiers in cardiovascular medicine · 2023Article
- Left Atrial Anterior Wall Scar-Related Atrial Tachycardia in Patients after Catheter Ablation or Cardiac Surgery: Electrophysiological Characteristics and Ablation Strategy.Journal of cardiovascular development and disease · 2022Article
- New Discovery of Left Atrial Macroreentry Tachycardia: Originating from the Spontaneous Scarring of Left Atrial Anterior Wall.Journal of interventional cardiology · 2021Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsThis study sought to describe left atrial macroreentry tachycardia (LAMRT) originating from the spontaneous scarring of left atrial anterior wall (LAAW) and its clinical and electrophysiological characteristics, mechanisms, and the formation of substrates. METHODS AND
results9 of 123 patients (89% female, age 79.78 ± 5.59 years) had LAMRT originating from the LAAW with no cardiac surgery or prior left atrial (LA) ablation. The mean tachycardia cycle length (TCL) was 241.67 ± 38.00 milliseconds. Spontaneous scars areas and low voltage areas (LVAs) in the LAAW were found in all patients. Successful ablation of the critical isthmus caused termination of the LAMRT and was not inducible in all patients. Arrhythmogenic substrates of LAMRT were the spontaneous scars of LAAW, which matched with the aorta or/and pulmonary artery contact area. The area under the curve (AUC) of age and combination of gender and age for predicting the LAMRT originating from the LAAW were 0.918 and 0.951, respectively, with a cutoff value of ≥73.5 years of age and gender (female) predicting LAMRT with 88.9% sensitivity and 89% specificity.
conclusionCombination of gender and age provides a simple and useful criterion to distinguish LAMRT from cavotricuspid isthmus- (CTI-) dependent atrial tachycardia in macroreentry atrial tachycardia (MRAT) in patients without a history of surgery or ablation. Aorta or/and pulmonary artery contacting LA may be related to spontaneous scars. Ablation the isthmus eliminated LAMRT in all patients.
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