Background Pulmonary artery acceleration time (PAAT) is a noninvasive method to assess
pulmonary hemodynamics, but it lacks validity in children. The aim of this study was to …

Stroke is the fifth-most common cause of death and the leading cause of preventable adult
disability in the United States. 1 In 2013, there were 6.5 million stroke-related deaths …

Background Differentiated antiretroviral therapy (ART) delivery models, in which patients are
provided with care relevant to their current status (eg, newly initiating, stable on treatment, …

Background The technique and safety of transcatheter patent ductus arteriosus ( PDA ) closure
have evolved during the past 20 years. We sought to report a multicenter experience of …

Background Patients with diffuse pulmonary arteriovenous malformations (PAVM), a small
but important subset of the PAVM population, have significant morbidity and mortality rates. …

This article sets out a data-driven approach for targeting environmental policies optimally in
order to combat deforestation. We focus on the Amazon, the world’s most extensive rainforest…

Background— Pulmonary artery (PA) balloon angioplasty and/or stenting (PA rehabilitation)
is one of the most common procedures performed in the cardiac catheterization laboratory, …

South Africa has a long history of community health workers (CHWs). It has been a journey
that has required balancing constrained resources and competing priorities. CHWs form a …

Background: Medial clear space (MCS) width on mortise radiographs of the ankle is commonly
used by clinicians for determining the competence of the deltoid ligament in the Weber B …

Background Patients with a failing Fontan continue to have decreased survival after heart
transplant (HT), particularly those with preserved ventricular function (PVF) compared with …