View clinical trials related to Coronary Artery Disease.
Filter by:The goal of the ACCURACY study is to assess the differences, if any, in FFR measurements made by the OptoWire Deux FFR guidewire by comparison of simultaneous data of two different OptoWire DeuxTM guidewires (group 1). In addition, the investigators will compare (group 2) the FFR measurements obtained from an OptoWire Deux FFR guidewire and compare it to the FFR measurement by a VERRATA-TM guidewire to assess coronary stenosis in the routine clinical practice.
Coronary artery bypass graft (CABG) surgery is a procedure where surgeons use blood vessels from elsewhere in the body to go around blockages or narrowings in the heart arteries. Before the surgery, the surgeon needs to choose which vessel will be used for the bypass, including potentially the radial artery in the wrist. Smartphones have been shown in a previous study to be a better way to assess the arteries in the hand than the traditional physical examination, as it is less subjective than simply watching the flushing of the hand. In this study, the investigators will assess the utility of a smartphone application in determining whether there is enough blood flow in the hand prior to using the radial artery for CABG surgery.
Rotational atherectomy (RA) facilitates percutaneous coronary intervention for complex de novo lesions with severe calcification. Some observational studies and a small randomized trial indicated that a strategy of routine RA did not conferred reduction in restenosis or MACE, but these studies are limited by missing follow-up, insufficient power to compare outcomes, and confounding factors in the RA group (long lesion length, etc.). With recent developments in medical therapy, advances in design and delivery of drug-eluting stents (DES), and advances in noninvasive and intravascular coronary imaging, the use of RA in current real-world practice remains to be well determined. We aimed to compile real-world clinical outcomes data for the RotablatorTM Rotational Atherectomy System in routine clinical practice in China.
This study evaluates the diagnostic efficiency of an automated method of noninvasive assessment of the fractional reserve of coronary blood flow. Fractional flow reserve is estimated with a one-dimensional mathematical model constructed by means of an automated algorithm. Noninvasive method values are thereafter compared with invasive method values.
Observational, prospective multicentric, national study, evaluating the diagnostic and therapeutic pathways of patient with cronic coronary artery disease followed in Italian cardiology centers.
A multidisciplinary program based on physiotherapy and diet education will be carried out for 3 months in patients with coronary artery disease with percutaneous coronary intervention. Educational lectures on nutrition and high intensity interval training will be developed in old patients with chronic heart disease. A control group will not develop any program. Effectiveness on anthropometric parameters, eating habits, physical activity, quality of life, anxiety and depression will be assessed at baseline and at 3 months.
This study is designed as a prospective study to capture data for evaluating the repeatability and reproducibility of the CADence™ System. The study will be conducted at 3 different study sites using 6 CADence™ systems. Each subject will be tested 4 separate times by 2 different operators at each site and will be tested at all 3 site locations in order to accomplish this evaluation. The study will enroll a total of at least 24 CADence positive patients and at least 24 CADence negative patients.
1. to investigate the feasibility and diagnostic performance of contrast quantitative flow ratio (QFR) for identifying the functional significance of intermediate degree stenotic lesions in all-comer patients with coronary artery disease (CAD) including presentation of acute myocardial infarction (AMI) with non-culprit lesion. 2. to compare the changes of contrast QFR and fractional flow reserve (FFR) according to severity of percent diameter stenosis (%DS) 3. to evaluate prognostic implication of contrast QFR in comparison with FFR
The Multicenter FAST (Fast Assessment of STenosis severity) study is a prospective observational multicenter study designed to evaluate the diagnostic accuracy of offline 3D-QCA based FFR, using CAAS Workstation (Pie Medical Imaging, Maastricht, the Netherlands) in identifying hemodynamically significant coronary artery disease with pressure wire-based FFR (≤0.80) as the reference standard.
Epicardial adipose tissue (EAT) is a visceral adipose tissue that surrounds the heart and the coronary arteries. It is metabolically active, secreting pro- and anti-inflammatory mediators and cytokines. With increasing EAT volume, inflammatory activity increasing, which suggests that EAT may locally influence atherosclerosis development in the coronary artery tree. The amount of EAT is associated with cardiovascular disease risk factors as well as presence and progression of subclinical atherosclerosis. Likewise, EAT volume is increased in patient with prevalent and incident coronary artery disease manifestation. In the setting of acute coronary syndrome, EAT was found to be associated with the TIMI risk score and Syntax II score. While CT imaging of the heart is the gold standard for EAT quantification, transthoracic echocardiography allows for a quick and reliable assessment of EAT thickness, as has been used in research studies and may qualify for routine EAT assessment in clinical routine.However, currently data on how quantification of EAT in clinical routine may impact patient management is lacking. We aim to investigate, whether quantification of EAT thickness via transthoracic echocardiography enables improved risk stratification in patients presenting with acute chest pain to the emergency department.