Background: The frequency, causes, and impact of myocardial infarction (MI) after successful percutaneous coronary intervention have not been well studied.
Background: Transradial approach (TRA), when compared with transfemoral, improves the safety of percutaneous coronary procedures. Arterial axis variants are known to hinder the performance of transradial approach percutaneous coronary procedures. Data on the occurrence of arterial axis variants in the right and left arm arterial axes of individual patients are lacking.
Background: Radial artery wall might be damaged after cannulation for cardiac catheterization. We investigated structural changes of the radial artery wall after catheterization to understand whether these might predict radial pulsation loss or occlusion and local pain or functional impairment of the upper extremity.
Background: The safety and efficacy of new-generation drug-eluting stents (DES) in women with multiple atherothrombotic risk (ATR) factors is unclear.
Background: Acute coronary syndrome is the leading cause of mortality worldwide. However, treatment of acute coronary occlusion inevitably results in ischemia-reperfusion injury. Circulating natural IgM has been shown to play a significant role in mouse models of ischemia-reperfusion injury. A highly conserved self-antigen, nonmuscle myosin heavy chain II, has been identified as a target of pathogenic IgM. We hypothesized that a monoclonal antibody (m21G6) directed against nonmuscle myosin heavy chain II may inhibit IgM binding and reduce injury in a preclinical model of myocardial infarction. Thus, our objective was to evaluate the efficacy of intravenous m21G6 treatment in limiting infarct expansion, troponin release, and left ventricular dysfunction in a swine myocardial infarction model.
Background: This study sought to evaluate the impact of atrial fibrillation (AF) on clinical outcomes in patients undergoing transcatheter aortic valve replacement.
Background: The most suitable approach for patients with aspirin hypersensitivity undergoing percutaneous coronary intervention remains to be assessed.
Objectives: The aim of this study was to examine whether manual thrombus aspiration reduces microvascular obstruction assessed by cardiac magnetic resonance imaging in patients with ST-segment elevation myocardial infarction (STEMI) presenting late after symptom onset.
Objectives: This study used a large national cohort to examine patterns of thrombectomy use in ST-segment elevation myocardial infarction (STEMI) and the relationship to mortality.
Objectives: The purpose of this study was to characterize outcomes for everolimus-eluting stent (EES)–treated subjects according to treatment with continued thienopyridine plus aspirin versus aspirin alone 12 to 30 months after stenting.
Objectives: This study sought to evaluate a ventilation maneuver to facilitate percutaneous edge-to-edge mitral valve repair (PMVR) and its effects on heart geometry.
Objectives: The purpose of this study was to investigate the incidence, predictive factors, and effect of post-operative delirium (POD) among patients treated by transcatheter aortic valve replacement (TAVR).
Objectives: This study sought to assess the feasibility and safety of using a filter-based cerebral protection system (CPS) during MitraClip implantation and to report on the histopathologic analysis of the captured debris.
A 38-year-old man with a history of smoking and hyperlipidemia was admitted for sudden-onset chest pain. The pre-admission electrocardiogram (ECG) showed ST-segment elevation in leads V4 through V6. After administration of 5000 IU heparin and 250 mg aspirin intravenously, the patient underwent urgent coronary angiography that showed an occluded intermediate branch and a stenosis of the circumflex coronary artery
Objectives: The aim of this study was to assess the 1-year outcome after transcatheter aortic valve replacement (TAVR) of the Direct Flow Medical (DFM) valve in patients with severe symptomatic aortic stenosis who were contraindicated or high risk for surgery.
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