The purpose of this review is to describe the impact of atrial fibrillation (AF) on the cardiovascular outcomes and prognosis in patients with Takotsubo Cardiomyopathy (TTC). The pathophysiological basis of TTC is set on the release of catecholamines, occurring post an emotional or stressful event. The cardiovascular system of patients with TTC is affected by the high concentrations of catecholamines, creating the ideal background for the development of AF: inflammation, myocardial stress, and excessive sympathetic activity. AF is considered to be the most frequent arrhythmia in TTC patients and is associated with higher rates of cardiovascular and all-cause mortality. AF is also linked with a worse prognosis concerning the hemodynamic status, cardiac fibrosis, lethal arrhythmias, thromboembolic events, and adverse heart failure associated outcomes. The early diagnosis of AF in these patients plays significant role in the prevention of adverse events, the reversibility of left ventricular function, and the restoration of sinus rhythm.
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http://dx.doi.org/10.1177/00033197221079331 | DOI Listing |
Cells
January 2025
Institute of Anatomy & Cell Biology, Faculty of Medicine, Justus-Liebig-University, Aulweg 123, 35392 Giessen, Germany.
Vascular smooth muscle cell (SMC) relaxation by guanylyl cyclases (GCs) and cGMP is mediated by NO and its receptor soluble GC (sGC) or natriuretic peptides (NPs) ANP/BNP and CNP with the receptors GC-A and GC-B, respectively. It is commonly accepted that cultured SMCs differ from those in intact vessels. Nevertheless, cell culture often remains the first step for signaling investigations and drug testing.
View Article and Find Full Text PDFJ Am Heart Assoc
January 2025
Center for Stroke Research Berlin Charité-Universitätsmedizin Berlin Berlin Germany.
Background: Excessive supraventricular ectopic activity (ESVEA) is regarded as a risk marker for later atrial fibrillation (AF) detection.
Methods And Results: The investigator-initiated, prospective, open, multicenter MonDAFIS (Impact of Standardized Monitoring for Detection of Atrial Fibrillation in Ischemic Stroke) study randomized 3465 patients with acute ischemic stroke without known AF 1:1 to usual diagnostic procedures for AF detection or additive Holter monitoring in hospital for up to 7 days, analyzed in a core laboratory. Secondary study objectives include the comparison of recurrent stroke, myocardial infarction, major bleeding, and all-cause death within 24 months in patients with ESVEA (defined as ectopic supraventricular beats ≥480/day or atrial runs of 10-29 seconds or both) versus patients with newly diagnosed AF versus patients without ESVEA or AF (non-ESVEA/AF), randomized to the intervention group.
Introduction Chronic obstructive pulmonary disease (COPD) is a significant contributor to global morbidity and mortality. Despite well-established management protocols, treatment remains suboptimal due to high costs and mortality rates. This study aims to compare the impact of initial oxygenation status, Dyspnea, Eosinopenia, Consolidation, Acidemia, and Atrial Fibrillation (DECAF), and National Early Warning Score 2 (NEWS2) scores on management outcomes in COPD patients.
View Article and Find Full Text PDFCardiovasc Diagn Ther
December 2024
Department of Medicine, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary.
Background: Dextro-transposition of the great arteries (dTGA) stands out as a prevalent cyanotic congenital heart defect (CHD), characterized by an intricate reversal in the arrangement of the major arteries. In the past, several surgical procedures have been used to treat dTGA, including the atrial switch. Although the method is no longer used, survivors of the procedure still living among us.
View Article and Find Full Text PDFJ Cardiovasc Electrophysiol
January 2025
Division of Cardiac Electrophysiology, Virginia Commonwealth University, Richmond, Virginia, USA.
Atrial fibrillation (AF) is the most common cause of arrhythmia-induced cardiomyopathy. Effective management strategies include medical therapy for rate and rhythm control, catheter ablation (CA), and goal-directed medical therapy. Sodium-glucose co-transporter 2 inhibitors (SGLT2i), a novel class of antidiabetic drugs, have shown a promising impact in reducing cardiovascular events in diabetic and nondiabetic heart failure (HF) patients.
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