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Active clinical trials for "Myocardial Ischemia"

Results 3061-3070 of 3152

Evaluation of Patients in Chest Pain in the Emergency Room

Acute Cardiac Ischemia

The primary objective of this feasibility study is to determine whether it is possible to conduct a study of the ClearView scan among patients under evaluation for acute cardiovascular events, as well as give insight into the performance of the ClearView scoring algorithm with respect to this patient population. The EPIC™ scan is a bio-electrographic tool that may assist the health care provider in rapid assessment of the systemic origin of the patient's presenting symptom(s). The EPIC ClearView is a potentially valuable resource that may benefit an emergency department (ED) by offering expedited "chest pain" etiologic differentiation capabilities. The subsequent results have the potential to include more rapid "chest pain" patient diagnosis and appropriate disposition of non-cardiac chest pain (rule out MI); optimized precious resource expenditure (nursing, physician, inpatient or observation bed, etc.); lower costs to facility, patient and insurance company; and greater patient satisfaction rates due to decreased ED wait time.

Unknown status13 enrollment criteria

The Comparison of the Necessity of Repeat Myocardial Perfusion SPECT Studies Between Tc-99m Tetro...

Myocardial Ischemia

Research Questions: Is there a significant difference between the causal repeat rate of myocardial perfusion studies for Tc99m tetrofosmin and Tc99m sestamibi? Is there a significant difference in the causal repeat rate of myocardial perfusion studies for Tc99m tetrofosmin and Tc99m sestamibi if an independent technologist reviewer blinded to the radiopharmaceutical makes the decision to repeat the study? Is there a significant difference in the quantitative diagnostic measures reported between the original and the acceptable repeated studies?

Unknown status2 enrollment criteria

Trial to Assess the Everolimus-Eluting Coronary Stent System (PROMUS Element) for Coronary Revascularization...

Ischemic Heart DiseaseCoronary Artery Stenosis

The PROMUS Element™ clinical trial (PLATINUM-PLUS) consists of a randomized controlled trial (RCT) in the European Union (EU) which will enroll approximately 2980 subjects (2:1 randomization PROMUS Element™: Xience™ Prime) in a Population of consecutive, all comers in the reimbursed indications per-country All subjects will be screened per the protocol required inclusion/exclusion criteria.

Unknown status17 enrollment criteria

Evaluation of Subclinical COronary Atherosclerosis for Risk Stratification Using Coronary Computed...

Coronary Atherosclerosis

To evaluate the prognostic value of coronary CT angiography (CCTA) for risk stratification in asymptomatic adults in comparison with conventional risk stratification (CRS) and coronary artery calcium scoring (CACS).

Unknown status8 enrollment criteria

Evaluation of Myocardial Ischemia Using Standard Single Photon Emission Computed Tomography (SPECT)...

Myocardial Ischemia

This study is for people who have a SPECT scan (nuclear imaging of the blood flow to the heart muscle) ordered by their medical doctors. As part of the SPECT scan, they will have been given a drug called regadenoson to widen and expand the blood vessels bringing blood to the heart muscle. The SPECT pictures of the heart are taken about an hour after the regadenoson is put into an arm vein through an IV. In this study, additional echo pictures will be taken and compared to the SPECT pictures. The aim of the study is to see if the echo pictures work as well as SPECT to measure the blood flow to the heart muscle.

Unknown status2 enrollment criteria

Italian Registry on Unprotected Left Main

Cardiovascular DiseaseCoronary Artery Disease

The RITMO (Registro Italiano sul trattamento del Tronco coMune non protettO) observational study will appraise the prevalence, management strategy, and prognosis of unprotected left main coronary artery disease in Italy.

Unknown status6 enrollment criteria

Coronary Artery Disease and Renal Failure Registry

Coronary Artery DiseaseRenal Failure

It is the aim of the multi-centric and prospective registry to analyze in patients with CAD the impact of different grades of renal failure on the outcome and course of the patients and to correlate these with clinical variables. In particular, the registry has the following objectives: prospective consecutive assessment of all patients with coronary artery disease and renal failure in the participating hospitals of the registry evaluation of the outcome and course of patients with regard to their different stages of renal failure at baseline analysis of the impact of different therapeutic strategies on acute and long-term outcomes identification of clinical risk factors, novel biomarkers and genetic markers for an unfavorable long-term outcome

Unknown status11 enrollment criteria

Japan Unprotected Left Main Coronary Artery Disease Percutaneous Coronary Intervention (PCI) Strategy...

Coronary Artery Disease

The main purpose of this study is to observe the incidence of major adverse cardiac and cerebrovascular events (MACCE), target vessel failure (TVF), target vessel revascularization (TVR) and stent thrombosis out to 5 years after the procedure in patients who underwent percutaneous coronary intervention (PCI) with everolimus-eluting stents for unprotected left main coronary artery (ULMCA) disease and lesions involving the ULMCA in Japan. The investigators will also establish a method of adjustment to the Japanese version of the SYNTAX score by conducting an assessment using the SYNTAX score recently reported in the US and Europe as well as the EuroSCORE, and by clarifying the differences of PCI procedures and treatment results in Japan with those reported in the US and Europe.

Unknown status28 enrollment criteria

After Eighty Study

Coronary Heart Disease

The rationale of the present clinical trial is to study whether an invasive strategy in clinical stable patients over 80 years with NSTEMI/UAP may improve rates of death, reinfarction, stroke, need of urgent revascularisation, myocardial function and quality of life. The invasive approach involves coronary angiography with immediate evaluation for three different treatment options; 1. Percutaneous coronary intervention (PCI), 2. Coronary artery bypass graft (CABG) or 3. medical treatment. Clinical practice shows that older patients are commonly treated less vigorously than younger patients and the present guidelines are based on a considerably younger population.

Unknown status10 enrollment criteria

Detection of Coronary Artery Disease Using Analysis of High Frequency QRS: The HyperQ Registry

Coronary Artery Disease

This will be a registry study that will enroll patients referred for an ECG treadmill test with nuclear myocardial perfusion imaging (MPI). The high frequency QRS (HFQRS) information will be recorded and analyzed automatically and simultaneous with the standard ECG signals by the HyperQ System. Results of subsequent tests performed on each patient will be collected and used to enhance the reliability of designating each patient as a CAD-negative (i.e., no significant coronary artery disease) or a CAD-positive (i.e., significant coronary artery disease).

Unknown status8 enrollment criteria
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