Objectives: This study sought to determine whether volume loading alters the left atrial appendage (LAA) dimensions in patients undergoing percutaneous LAA closure.
Objectives: This study sought to describe the development of a multicenter, transcatheter aortic valve replacement program and regional systems of care intended to optimize coordinated, efficient, and appropriate delivery of this new therapy.
Objectives: The aim of this study was to compare outcomes of ST-segment elevation myocardial infarction (STEMI) patients with a history of coronary artery bypass graft surgery (CABG), previous percutaneous coronary intervention (PCI), or no previous revascularization undergoing primary PCI.
Objectives: This study sought to investigate the effect of treatment delay on microvascular reperfusion in ST-segment elevation myocardial infarction (STEMI) patients from the large, multicenter, prospective HORIZONS-AMI (Harmonizing Outcomes with Revascularization and Stents in Acute Myocardial Infarction) trial.
Objectives: This study sought to determine whether there is an ideal level of platelet reactivity (PR) to optimize safety and efficacy within the large multicenter ADAPT-DES (Assessment of Dual AntiPlatelet Therapy With Drug-Eluting Stents) study of 8,582 patients receiving successful drug-eluting stent implantation.
Objectives: In the absence of effective clinical pharmacotherapy for prevention of reperfusion-mediated injury, this study re-evaluated the effects of intracoronary adenosine on infarct size and no-reflow in a porcine model of acute myocardial infarction using clinical bolus and experimental high-dose infusion regimens.
Objectives: The authors sought to understand the clinical and angiographic outcomes of dissections left after drug-coated balloon (DCB) angioplasty.
Objectives: This study aimed to investigate sympathetic nerve (SN) ultrastructural changes and hemodynamic and pulmonary artery (PA) pathological improvements by pulmonary arterial denervation (PADN) in animals with pulmonary arterial hypertension (PAH), as well as the underlying mechanisms.
Objectives: The aim of this study was to investigate the hemodynamic performance of a transcatheter heart valve (THV) deployed at different valve-in-valve positions in an in vitro model using a small surgical bioprosthesis.
A 96-year-old man was referred to our cardiology center for a transcatheter aortic valve replacement (TAVR). Pre-implantation transthoracic echocardiography showed preserved ejection fraction, mean transvalvular pressure gradient at 46 mm Hg, aortic valve area of 1 cm2, and maximal aortic jet velocity at 4.1 m/s, confirming severe aortic stenosis. Aortic annulus diameter was 25 mm as measured by transesophageal echocardiography, and its surface was 671 mm2 by 3-dimensional multidetector computed tomography
We report a patient with undilatable in-stent restenosis (ISR) presenting 11 years after initial stent implantation. Optical coherence tomography (OCT) disclosed severe calcified neoatherosclerosis as the underlying substrate of ISR
Background: Bioprosthetic valve thrombosis (BPVT) is considered uncommon; this may be related to the fact that it is often unrecognized. Recent data suggest that BPVT responds to vitamin K antagonists, emphasizing the need for reliable diagnosis.
Background: The everolimus-eluting bioresorbable vascular scaffold (BVS) is designed to achieve results comparable to metallic drug-eluting stents at 1 year, with improved long-term outcomes. Whether the 1-year clinical and angiographic results of BVS are noninferior to current-generation drug-eluting stents has not been established.
Background: Fractional flow reserve estimated using computed tomography (FFRCT) might improve evaluation of patients with chest pain.
Background: Isolated tricuspid valve surgery is associated with high morbidity and mortality, especially in patients with prior cardiac surgery. The transcatheter Forma Repair System (Edwards Lifesciences, Irvine, California) is designed to provide a surface for native leaflet coaptation to reduce tricuspid regurgitation (TR) by occupying the regurgitant orifice area.
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