Lack of Anticoagulant Use in Patients with Atrial Fibrillation and Increased Risk of Thromboembolic Events According to Sex: Insights from a Multicentric Brazilian Study.

Background: Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, and its presentation differs according to age and sex. Recent studies have revealed differences in AF among various demographic groups, including the Latin American population.

Objectives: To better understand potential disparities in AF prevalence and treatment strategies in the Brazilian population through data from a large multicentric prospective registry.

Oxygen supplementation increases the total work and muscle damage markers but reduces the inflammatory response in COPD patients.

Introduction: Oxygen supplementation (O-Suppl) is recommended for pulmonary rehabilitation with higher exercise intensities. However, high-intensity exercise tends toward muscle damage and a greater inflammatory response. We aimed to investigate the effect of O-Suppl during exercise test (EET) on CRP level and muscle damage (CPK, LDH, lactate) in non-hypoxemic COPD patients.

Effect of a physical exercise program in a patient with Marfan syndrome and ventricular dysfunction.

Marfan syndrome (MS) is an autosomal dominant disorder that affects multiple organs and systems. Several cardiac alterations are present, with the main ones being aortic root and ascending aorta dilatation, mitral valve prolapse and left ventricle (LV) dilatation. Aerobic exercise has not shown to be a non-drug therapy that promotes anti-remodeling effect in patients with heart failure.