Active clinical trials for "Coronary Artery Disease"

Multicenter, prospective, non-randomized, post-market clinical follow-up (PMCF) study to confirm and support the clinical safety and performance of NC Xperience to meet EU Medical Device regulation (MDR) requirements in all the CONSECUTIVE patients treated with NC Xperience .

With the emergence of advanced technology to date in the artificial intelligence (AI), computer aided diagnosis has gradually gained its popularity in the field of healthcare. Particularly, in the clinical practice of coronary artery disease diagnosis, the application of AI could be of great implication in alleviating the shortage of medical sources. To evaluate the effectiveness and safety of the AI-based coronary CT angiographic analysis software (RuiXin-CoronaryAI) for diagnosis of coronary artery stenosis, a retrospective, multi-center, cross-over designed, blinded, sensitivity superiority and specificity non-inferiority clinical trial will be conducted.

The HYUMC registry is a two-center, real-world registry of percutaneous coronary intervention in patients with coronary artery disease. From January 2012, PCI-treated patients from Hanyang University Seoul Hospitals and Hanyang University Guri Hospitals were enrolled in this registry. The aim of this registry is to examine the long-term clinical outcomes and identify predictors of adverse outcomes following percutaneous coronary intervention conducted at academic hospitals.

A Prospective Follow-up Assessment in Bad Segeberg with Patients undergoing a Rotational Atherectomy in Coronary Lesion/s

Invasively measured fractional flow reserve (FFR) has proven to be useful in guiding coronary revascularization. Several studies have shown that it is justified to treat lesions with a value of 0.80 or lower and safe to defer from PCI in lesions with a value of >0.80. Recently, computational fluid dynamics have allowed FFR measurement from coronary computed tomography angiography images (FFRCT) with excellent diagnostic accuracy compared to invasive FFR. FFRCT can also effectively guide revascularization safely deferring patient with FFRCT >0.80 from invasive angiography. In functionally non-significant lesions, computational fluid dynamic models in addition to CT plaque characteristics (low attenuation, positive remodelling, spotty calcification and napkin-ring sign) may be able to predict which lesions will become flow-limiting, causing clinical events in the future. This study will evaluate disease progression in intermediate lesions (invasive FFR 0.81-0.90 at baseline) using FFRCT at 2 years and determine whether CT characteristics may help to identify lesions that are more susceptible for FFR decline. Additionally, we will correlate CT characteristics with coronary events (a composite endpoint consisting of all-cause mortality, target-vessel myocardial infarction and clinically driven target-vessel revascularization) up to 5 years after the baseline invasive FFR.

The aim of this study is to evaluate the effects of N-acetyl cysteine on periprocedural myocardial infarction and major cardiac and cerebral events in patients undergoing percutaneous coronary intervention and who have moderate to high risk for contrast induced nephropathy.

Background of the study: Percutaneous coronary interventions (PCI) have become mainstay treatment for acute coronary artery disease and the number of patients receiving PCI is vastly growing. However, relatively little long-term follow-up studies of large real-world clinical samples exist that have looked at the real-world effects of PCI treatment and adherence to current guidelines. Psychological risk factors are important in determining prognosis after PCI, and undergoing PCI may increase the risk of low mood. To date, studies have examined single psychological risk factors, without taking into account their relatedness. Moreover, guidelines are advocating psychosocial screening in early cardiovascular disease, but the screening test as proposed in the prevention guideline has not yet been validated or tested. Although the detrimental effects of psychological risk factors on cardiovascular prognosis are known, the mechanisms through which they exert these effects are yet unclear. It is to be expected that not one but multiple biological (inflammation, endothelial dysfunction) and behavioural (coping styles, poor self-care, consultation behaviour) pathophysiological processes play a role, and that these processes interact with each other. In PCI patients the mechanisms linking psychological risk to poor prognosis are still to be investigated. Objective of the study: To examine the adherence to the prevention and PCI guidelines and the effects thereof on long term prognosis in PCI patients. To evaluate the effectiveness of the psychosocial screening instrument of the European Society of Cardiology Prevention guideline 2012. To examine effects of clustering psychological risk factors on several networks of potentially mediating mechanisms and long term outcomes in a large sample of PCI patients.

The purpose of the Registry is to provide continuing evaluation and periodic reporting of safety and effectiveness of Medtronic market-released products. The Registry data is intended to benefit and support interests of patients, hospitals, clinicians, regulatory bodies, payers, and industry by streamlining the clinical surveillance process and facilitating leading edge performance assessment via the least burdensome approach.

The main objection is to investigate molecular biology of myocardial damage during cardiac surgery procedures.

This is a Multi Center Randomized Control Study of MeRes100 Sirolimus Eluting BioResorbable Vascular Scaffold System in treatment of approximately 484 subjects with Coronary Artery Disease in China. Eligible subjects shall have up to two de novo lesions in different epicardial vessels (One lesion in each coronary artery or it's major branch),Target lesion shall have visually estimated diameter stenosis ≥ 70% (or ≥ 50% and has clinical evidence of myocardial ischemia), lesion length ≤ 24mm, reference vascular diameter visually ≥ 2.75mm and ≤ 4.0mm. And subjects must meet all the study inclusion / exclusion criteria before enrolment in the study.All subjects shall accept clinical follow up at 1 month, 6 months, 12 months, 2 years, 3 years, 4 years and 5 years post procedure.