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Topic Review
Echocardiography in Autoimmune Rheumatic Diseases
Echocardiography, including transthoracic two and three-dimensional echocardiography, Doppler imaging, myocardial deformation and transesophageal echo, is an established and widely available imaging technique for the identification of cardiovascular manifestations that are crucial for prognosis in rheumatic diseases. Echocardiography is also important for monitoring the impact of drug treatment on cardiac function, coronary microcirculatory function, valvular function and pulmonary artery pressures. 
  • 1.0K
  • 17 Sep 2020
Topic Review
Cardiovascular Complications Associated with COVID-19
An infectious coronavirus disease 2019 (COVID-19), caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is accompanied with elevated risk and adverse outcome among infected patients, even sudden death due to significant multiple organ dysfunction, including dire cardiovascular complications. Myocardial impairment due to invasion of SARS-CoV-2 virus via angiotensin-converting enzyme 2 receptor to cardiovascular cells/tissue leads to endothelial inflammation and dysfunction, de-stabilization of vulnerable atherosclerotic plaques, stent thrombosis and cardiac stress, caused by diminished oxygen supply and cardiac muscle damage and myocardial infarction. A number of promising therapeutic approaches are currently under clinical trials to avoid a massive surge of COVID-19 patients with prevalence of adverse cardiac events.
  • 1.0K
  • 19 Apr 2021
Topic Review
BKCa Channels
Large Conductance Calcium and Voltage-Gated Potassium Channels (BKCa). Also known as Slowpoke, KCa1.1, and MaxiK channels. 
  • 1.0K
  • 27 Oct 2020
Topic Review
Copper Metabolism in Heart Disease
Copper is an essential trace metal element that significantly affects human physiology and pathology by regulating various important biological processes, including mitochondrial oxidative phosphorylation, iron mobilization, connective tissue crosslinking, antioxidant defense, melanin synthesis, blood clotting, and neuron peptide maturation. Increasing lines of evidence obtained from studies of cell culture, animals, and human genetics have demonstrated that dysregulation of copper metabolism causes heart disease, which is the leading cause of mortality in the US. Defects of copper homeostasis caused by perturbed regulation of copper chaperones or copper transporters or by copper deficiency resulted in various types of heart disease, including cardiac hypertrophy, heart failure, ischemic heart disease, and diabetes mellitus cardiomyopathy. 
  • 992
  • 11 Mar 2022
Topic Review
Vascular Endothelial Glycocalyx
Vascular endothelial cells are a monolayer of cells that comprise the innermost layer of cells in the vascular system, including arteries, veins, and capillaries, and serve a barrier function for the blood vessels surrounding all organs and in direct contact with the blood flowing through the vascular lumen.
  • 977
  • 30 Dec 2020
Topic Review
Pathogenesis of COVID-19
The systemic manifestations commonly observed in COVID-19 patients include hypertension, arterial and venous thromboembolism, kidney disease, cerebrovascular disorders, and diabetes mellitus). These clinical findings strongly suggest that the virus is targeting the endothelium. Here we report a systematic and comprehensive evaluation of the evidence showing that the endothelium is a key target organ in COVID-19, playing a fundamental role in its pathogenesis.
  • 970
  • 30 Oct 2020
Topic Review
Tryptophan Metabolism in Cardiovascular Diseases
Cardiovascular disease (CVD) is one of the major causes of mortality worldwide. Inflammation is the underlying common mechanism involved in CVD. It has been recently related to amino acid metabolism, which acts as a critical regulator of innate and adaptive immune responses. Among different metabolites that have emerged as important regulators of immune and inflammatory responses, tryptophan (Trp) metabolites have been shown to play a pivotal role in CVD.
  • 953
  • 13 Oct 2021
Topic Review
Atrial Fibrillation Diagnosis Measurements
Atrial Fibrillation (AF) is a heart rhythm disorder. Hence, AF diagnosis is based on measurements which reflect the activity of the heart. Detectable symptoms of the disease might not be present all the time. Therefore, the measurement duration is positively correlated with the AF detection rate. Suitable measurements include photoplethysmogram, electrocardiogram, and heart rate. The data volume, produced through long term measurement, mandates computer support to automate the AF detection task.
  • 949
  • 30 Oct 2020
Topic Review
Left Ventricular Summit
The left ventricular summit (LVS) is a triangular area located at the most superior portion of the left epicardial ventricular region, surrounded by the two branches of the left coronary artery: the left anterior interventricular artery and the left circumflex artery. The triangle is bounded by the apex, septal and mitral margins and base. 
  • 944
  • 09 Aug 2021
Topic Review
Diagonal Earlobe Crease
Diagonal earlobe crease is a wrinkle extending obliquely from the tragus towards the border of the earlobe. It was firstly described by Frank in 1973 in the New England Journal of Medicine in a case series of patients with coronary artery disease. Since then, there have been many reports published regarding its association mainly with atherosclerosis, especially coronary artery disease.
  • 936
  • 22 Sep 2021
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