RESUMEN
In spite of there being several case reports, coronary stent fracture is not a well-recognized entity and incidence rates are likely to be underestimated. In this article, we review different aspects of stent fracture, including incidence, classification, predictors, outcome, diagnosis, and management
RESUMEN
Pulmonary-arterial hypertension [PAH] from any cause is more prevalent than previously believed and significant uncertainties remain regarding the diagnosis and optimal treatment of PAH. It is now recognized that effective treatment for one cause of PAH may not necessarily be useful for PAH from a different cause. This article reviews the contemporary definition, classification, and diagnosis of PAH, with a focus on recent developments in its treatment