Background: Aortic root replacement (ARR) introduces several anatomic complexities relevant to valve-in-valve (VIV)–transcatheter aortic valve replacement (TAVR) that may (1) increase the risk of coronary obstruction, (2) necessitate transcatheter valve overexpansion to accommodate large annuli, and (3) require alternative vascular access to navigate aortic kinking. Therefore, we aimed to quantify the feasibility of VIV-TAVR in patients who underwent aortic root surgery.
Background: The optimal treatment strategy for treating ST-segment–elevation myocardial infarction (STEMI) in context of the coronavirus disease 2019 (COVID-19) pandemic is unclear given the potential risk of occupational exposure during primary percutaneous coronary intervention (PPCI). We quantified the impact of different STEMI treatment strategies on patient outcomes and provider risk in context of the COVID-19 pandemic.
Background: Given the characteristic differences between intravascular ultrasound (IVUS) and optical frequency domain imaging (OFDI), their approach to therapeutic guidance during percutaneous coronary interventions (PCIs) and arterial healing response after stenting may also vary.
Background: Despite treatment guidance endorsing shortened dual antiplatelet therapy (DAPT) duration in high bleeding risk (HBR) patients after drug-eluting stents, limited evidence exists to support these recommendations. The present study was designed to examine the safety and effectiveness of 1-month DAPT duration following percutaneous coronary intervention with zotarolimus-eluting stents in HBR patients.
Background: Balloon angioplasty for native coarctation of the aorta (CoA) is successful in children and adults but in neonates results in frequent restenosis. The efficacy of balloon angioplasty for native CoA during infancy beyond the neonatal period was examined in infants aged 3 to 12 months of age.
Background: Surgical aortic valve replacement (SAVR) is associated with adverse outcomes in patients with radiation-associated aortic stenosis. Transcatheter aortic valve replacement (TAVR) may improve outcomes in this population.
Background: Limited data are available regarding change in the nutritional status after transcatheter aortic valve replacement (TAVR). This study evaluated the prognostic impact of the change in the geriatric nutritional risk index following TAVR.
Background: Scarce data exist on patients with right ventricular dysfunction (RVD) or pulmonary hypertension (PH) undergoing transcatheter tricuspid valve intervention. This study aimed to determine the early and midterm outcomes and the factors associated with mortality in this group of patients.
Background: Ultrasonic flow ratio (UFR) is a novel method for fast computation of fractional flow reserve (FFR) from intravascular ultrasound images. The objective of this study is to evaluate the diagnostic performance of UFR using wire-based FFR as the reference.
Abstract Background: We investigated whether optical coherence tomography (OCT) guidance would reduce nonoptimal bioresorbable vascular scaffold (BVS) deployment.
Abstract Background: Scarce data exist on coronary events following transcatheter aortic valve replacement (TAVR), and no study has determined the factors associated with poorer outcomes in this setting. This study sought to determine the clinical characteristics, outcomes, and prognostic factors of acute coronary syndrome (ACS) events following TAVR.
Abstract Background: The temporal occurrence of arrhythmic complications after alcohol septal ablation (ASA) is unclear. As a result, the appropriate time to monitor patients after ASA is controversial. The purpose of this study is to determine the temporal occurrence of complete heart block (CHB) and ventricular tachyarrhythmia (VT) after ASA to better understand when patients can be safely discharged.
Abstract Background: The American College of Cardiology/American Heart Association Appropriate Use Criteria were designed to aid clinical decision-making, yet their association with health status outcomes after chronic total occlusion percutaneous coronary intervention (PCI) is unknown.
Abstract Background: Although 1-stent with provisional approach is the preferred strategy for the treatment of bifurcation lesions, the optimal treatment strategy according to lesion location is still debatable. This study aimed to identify whether clinical outcomes according to treatment strategy differed between left main (LM) and non-LM bifurcation lesions in the second-generation drug-eluting stent era.
Abstract Background: Direct stenting without pre-dilation or post-dilation has been advocated for saphenous vein graft percutaneous coronary intervention to decrease the incidence of distal embolization, periprocedural myocardial infarction, and target lesion revascularization.
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