Introduction Although it was known as the “forgotten valve” in the past, there has been increasing interest in studying the tricuspid valve (TV) during the last two decades. Tricuspid regurgitation (TR) has been identified as a prognostic marker not only when associated with other cardiac diseases, like heart failure, mitral regurgitation, or aortic stenosis, – but also as an isolated entity. Understanding the pathophysiological mechanisms of this disease is of paramount importance, since new options of transcatheter devices and techniques […]