Objectives: This study sought to test the hypothesis that colchicine treatment after percutaneous coronary intervention (PCI) can lead to a decrease in in-stent restenosis (ISR).
Objectives: This study sought to determine the relationship between vascular disease in different arterial territories and advanced age.
Objectives: The study sought to describe the authors´ experience with mitral transapical transcatheter valve-in-valve implantation (TVIV).
Objectives: This study evaluated differences in outcome among women and men enrolled in the BARI 2D (Bypass Angioplasty Revascularization Investigation 2 Diabetes) trial.
Objectives: This study sought to assess quality of life parameters in a subset of patients enrolled in the PROTECT AF (Percutaneous Closure of the Left Atrial Appendage Versus Warfarin Therapy for Prevention of Stroke in Patients With Atrial Fibrillation) trial.
Objectives: The study sought to compare echocardiographic with invasive hemodynamic data in patients with “paradoxic” aortic stenosis and in patients with conventionally defined severe aortic stenosis.
Relatively little attention has been focused on standardization of data exchange in clinical research studies and patient care activities. Both are usually managed locally using separate and generally incompatible data systems at individual hospitals or clinics. In the past decade there have been nascent efforts to create data standards for clinical research and patient care data, and to some extent these are helpful in providing a degree of uniformity. Nonetheless, these data standards generally have not been converted into accepted computer-based language structures that could permit reliable data exchange across computer networks. The National Cardiovascular Research Infrastructure (NCRI) project was initiated with a major objective of creating a model framework for standard data exchange in all clinical research, clinical registry, and patient care environments, including all electronic health records. The goal is complete syntactic and semantic interoperability. A Data Standards Workgroup was established to create or identify and then harmonize clinical definitions for a base set of standardized cardiovascular data elements that could be used in this network infrastructure. Recognizing the need for continuity with prior efforts, the Workgroup examined existing data standards sources. A basic set of 353 elements was selected. The NCRI staff then collaborated with the 2 major technical standards organizations in health care, the Clinical Data Interchange Standards Consortium and Health Level Seven International, as well as with staff from the National Cancer Institute Enterprise Vocabulary Services. Modeling and mapping were performed to represent (instantiate) the data elements in appropriate technical computer language structures for endorsement as an accepted data standard for public access and use. Fully implemented, these elements will facilitate clinical research, registry reporting, administrative reporting and regulatory compliance, and patient care.
Objectives: This paper sought to report the outcomes of patients who are considered unfit for urgent surgical repair of ascending aortic dissections (AADs) who were treated using a novel endovascular repair strategy.
Objectives: The aim of the present study was to assess the efficacy of remote ischemic post-conditioning (RIPC) by repeated intermittent balloon inflations in preventing acute kidney injury (AKI) in patients with a non–ST-segment elevation myocardial infarction undergoing percutaneous coronary intervention (PCI).
Objectives: This study sought to examine the efficacy of ranolazine versus placebo on weekly angina frequency and sublingual nitroglycerin use in subjects with type 2 diabetes mellitus, coronary artery disease (CAD), and chronic stable angina who remain symptomatic despite treatment with up to 2 antianginal agents.
Objectives: This study sought to evaluate whether prasugrel may serve as an alternative to clopidogrel in patients with triple therapy.
Objectives: This study sought to compared the use and effectiveness of bleeding avoidance strategies (BAS) by sex.
Objectives: This study investigated the feasibility of noninvasive renal sympathetic denervation (RSD) by using the novel approach of extracorporeal high-intensity focused ultrasound (HIFU).
The accuracy of the admission electrocardiogram (ECG) in predicting the site of acute coronary artery occlusion in patients with ST-segment elevation myocardial infarction (STEMI) and multivessel disease is not well known. This study aimed to assess whether the presence of multivessel coronary artery disease (CAD) modifies the artery-related ST-segment changes in patients with acute coronary artery occlusion. We reviewed the admission ECG, clinical records, and coronary angiography of 289 patients with STEMI caused by acute occlusion of left anterior descending (LAD; n = 140), right (n = 118), or left circumflex (LCx; n = 31) coronary arteries. All patients underwent primary percutaneous coronary reperfusion during the first 12 hours. The magnitude and distribution of artery-related ST-segment patterns were comparable in patients with single (n = 149) and multivessel (n = 140) CAD. Occlusion of proximal (n = 55) or mid-distal (n = 85) LAD artery induced ST-segment elevation in leads V1 to V5, but only the proximal occlusion induced reciprocal ST-segment depression in leads II, III, and aVF (p <0.001). Proximal and mid-distal occlusion of right (n = 45 and 73, respectively) or LCx (n = 15 and 16) coronary artery always induced ST-segment elevation in leads II, III, and aVF and reciprocal ST-segment depression in leads V2 and V3. ST-segment elevation in lead V6 >0.1 mV predicted LCx artery occlusion. In conclusion, patients with STEMI with single or multivessel CAD have concordant artery-related ST-segment patterns on the admission ECG; in both groups, reciprocal ST-segment depression in LAD artery occlusion predicts a large infarct. Subendocardial ischemia at a distance is not a requisite for the genesis of reciprocal ST-segment changes.
There are limited data regarding the role of coronary computed tomographic angiography (CCTA) in asymptomatic patients with type 2 diabetes mellitus. We analyzed 557 asymptomatic type 2 diabetic patients who underwent CCTA. Cardiac event was defined as a composite of cardiac death, nonfatal myocardial infarction, acute coronary syndrome requiring hospitalization, or late revascularization. Atherosclerotic plaques were observed in 395 patients (70.9%), and 170 patients (30.5%) showed significant coronary artery disease (CAD) on CCTA. Ninety-two patients (16.5%) were associated with a significant stenosis in the left main or proximal left anterior descending artery. During the follow-up period (33.7 ± 7.8 months), although an excellent prognosis was observed in patients without significant CAD on CCTA, those with significant CAD showed more cardiac events (7.1% vs 0.5%) and lower 3-year event-free survival rates (99.2 ± 0.6% vs 90.9 ± 2.6%, p <0.001). Furthermore, in group with significant CAD, patients with significant CAD in the left main or proximal left anterior descending artery had more cardiac events (10.9% vs 2.6%) and lower 3-year event-free survival rates (97.4 ± 1.8% vs 86.1 ± 4.2%, p = 0.049). On multivariate analysis, family history of premature CAD, previous history of stroke, higher UK Prospective Diabetes Study 10-year risk scores, neuropathy, and retinopathy were independent clinical predictors of having significant CAD and left main or proximal left anterior descending artery significant CAD on CCTA. In conclusion, about 1/3 of asymptomatic type 2 diabetic patients had significant CAD on CCTA with a subsequent high risk for cardiac events. These findings suggest that CCTA may have a potential role in identifying patients with high cardiovascular risks in asymptomatic type 2 diabetes.
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