Background: Myocardial injury after non-cardiac surgery (MINS) is a frequent complication caused by cardiac and non-cardiac pathophysiological mechanisms, but often it is subclinical. MINS is associated with increased morbidity and mortality, justifying the need to its diagnose and the investigation of their causes for its potential prevention.
Methods: Prospective, observational, pilot study, aiming to detect MINS, its relationship with silent coronary artery disease and its effect on future adverse outcomes in patients undergoing major non-cardiac surgery and without postoperative signs or symptoms of myocardial ischemia.
Accurate identification of individuals at high coronary risk would reduce acute coronary syndrome incidence and morbi-mortality. We analyzed the effect on coronary risk prediction of adding coronary artery calcification (CAC) and Segment Involvement Score (SIS) to cardiovascular risk factors. This was a prospective cohort study of asymptomatic patients recruited between 2013-2017.
View Article and Find Full Text PDFBMC Pregnancy Childbirth
December 2021
Background: Cardiovascular diseases (CVD) are cause of increased morbidity and mortality in spite of advances for diagnosis and treatment. Changes during pregnancy affect importantly the maternal CV system. Pregnant women that develop preeclampsia (PE) have higher risk (up to 4 times) of clinical CVD in the short- and long-term.
View Article and Find Full Text PDFBackground: Pembrolizumab is an immune check-point inhibitor (ICI), which acts by blocking the T lymphocyte PD-1 inhibitor receptor. It has been increasingly used in advanced or non-responsive tumours with promising results. However, acute myocarditis is an infrequent but potentially life-threatening autoimmune adverse effect related to ICIs.
View Article and Find Full Text PDFThe atrioventricular node (AV) is considered the electrical connection between the atria and ventricles. There is an electrical pause between activation of the atria and the ventricles (PR segment), but to date the mechanism responsible for this interruption remains unclear. The present communication focuses on the hypothesis that magnetic field dynamics could provide the answer.
View Article and Find Full Text PDFPurpose: To investigate the feasibility and diagnostic accuracy of subtraction CTA on patients with highly calcified coronary artery disease (CAD) or previous implanted stents, in comparison with invasive coronary angiography (ICA).
Materials And Methods: Twenty-three patients were recruited. All conventional and subtraction CTA exams were performed using a 320-row CT.
Am J Cardiol
April 2013
Heterozygous familial hypercholesterolemia (HeFH) can be associated with early coronary artery disease (CAD) in asymptomatic patients. The objectives of the present study were to assess the prevalence and magnitude of subclinical CAD in patients with HeFH using coronary computed tomographic angiography (CCTA) and to determine the clinical and genetic profile of those at the greatest risk of CAD. The study included 50 consecutive patients with HeFH diagnosed according to the Dutch Lipid Clinic Network criteria and a control group of 70 healthy subjects.
View Article and Find Full Text PDFWe are currently witnessing the advent of new diagnostic tools and therapies for heart diseases, but, without serious scientific consensus on fundamental questions about normal and diseased heart structure and function. During the last decade, three successive, international, multidisciplinary symposia were organized in order to setup fundamental research principles, which would allow us to make a significant step forward in understanding heart structure and function. Helical ventricular myocardial band of Torrent-Guasp is the revolutionary new concept in understanding global, three-dimensional, functional architecture of the ventricular myocardium.
View Article and Find Full Text PDFEur J Cardiothorac Surg
February 2005
Structure and function in any organ are inseparable categories, both in health and disease. Whether we are ready to accept, or not, many questions in cardiovascular medicine are still pending, due to our insufficient insight in the basic science. Even so, any new concept encounters difficulties, mainly arising from our inert attitude, which may result either in unjustified acceptance or denial.
View Article and Find Full Text PDFEur J Cardiothorac Surg
March 2004
The evidence of the ventricular myocardial band (VMB) has revealed unavoidable coherence and mutual coupling of form and function in the ventricular myocardium, making it possible to understand the principles governing electrical, mechanical and energetical events within the human heart. From the earliest Erasistratus' observations, principal mechanisms responsible for the ventricular filling have still remained obscured. Contemporary experimental and clinical investigations unequivocally support the attitude that only powerful suction force, developed by the normal ventricles, would be able to produce an efficient filling of the ventricular cavities.
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