ArticleReviews in cardiovascular medicine2025
The Influence of Interatrial Conduction Disorders on Atrial Mechanical Function - Atrial Strain and Pulmonary Veins Reversal Flow in Patients with COVID-19.
Article in Reviews in cardiovascular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Bayes Syndrome and Myocardial Fibrosis: Mechanistic Links and Clinical Implications.Reviews in cardiovascular medicine · 2026Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: The physiological activation of the left atrium (LA) happens through the Bachmann bundle, which is crucial for the heart's proper functioning. Bayes de Luna first described interatrial blocks (IABs) in 1979, noting their disruption of atrioventricular (AV) synchrony. This study aims to evaluate LA mechanics by analyzing LA strain in cases of normal and impaired interatrial conduction, focusing on retrograde flow in the pulmonary veins (PV). Methods: The study included 51 patients who tested positive for SARS-CoV-2 and exhibited related symptoms. Six patients with persistent atrial fibrillation (AF) were excluded from the study (45 patients qualified in total: 23 males, 22 females; mean age 69.0 ± 12.9 years). Results: IABs were more frequently observed in COVID-19 patients. Thus, they were included despite SARS-CoV-2 being a potential limitation of the study. All participants underwent clinical evaluation, electrocardiography (ECG) (200 mm/s ×256), and echocardiography to assess left ventricular ejection fraction (LVEF), mitral regurgitation (MR), LA volume, global and regional strain, and retrograde flow in the PV. A statistical dependency was found between LA global strain and P-wave morphology, MR, heart failure (HF), and paroxysmal atrial fibrillation (PAF). However, no clear correlation was found between retrograde flow in the PV and LA strain. The mean P-wave duration correlated with its morphology. Additionally, correlations were observed between P-wave morphology and hypertension, being overweight, and PAF. Conclusions: LA mechanics are negatively influenced by IABs. LA global strain correlates with P-wave duration, ejection fraction (EF), and MR independently. Regional LA strain examination is potentially effective for assessing LA mechanics and complements precise ECG.
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