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Active clinical trials for "Heart Diseases"

Results 3431-3440 of 3529

A Study to Objectively Measure Physical Activity and Sedentary Behavior During Cardiac Rehabilitation...

Cardiac DiseaseMyocardial Infarction2 more

The purpose of this study is to assess exercise patterns during home-based or center-based cardiac rehabilitation participation.

Withdrawn4 enrollment criteria

Mobile Advanced Multi-Parameter Reporting in Patients Wearing a Novel Device: Utilization During...

Heart AttackCardiac Event4 more

Advanced remote multi-parameter reporting during cardiac rehabilitation (MAPS-III). The primary purpose of this observational study is to collect baseline information of cardiac rehabilitation usage in the US for post-myocardial infarction (MI) patients with EF > 35% while wearing the ZOLL AMS device for 30 to 60 days. Secondary data on biometrics, arrhythmias, symptoms, and healthcare utilization will provide additional background information on this population during the early post-MI cardiac rehabilitation period.

Withdrawn10 enrollment criteria

Renal Function in Adults With Congenital Heart Disease.

Cardiovascular AbnormalitiesKidney Failure

Impaired kidney function is associated with a poor outcome in patients with heart failure but it is not known of this is the case for patients who have been born with their heart condition (congenital heart disease). This study aims to investigate how frequently patients with congenital heart disease have kidney disease and whither this does have an impact on their outcome. The hypothesis is that kidney dysfunction will be common in these patients and may have an impact on long-term health and life-expectancy.

Withdrawn7 enrollment criteria

The Role of Tranexamic Acid in Reducing Blood Transfusion Requirements After Cardiopulmonary Bypass...

Congenital Heart Disease

This is an observational, prospective study to evaluate the role of tranexamic acid in reducing blood transfusion in neonates undergoing cardiopulmonary bypass.

Withdrawn2 enrollment criteria

AbioCor Implantable Replacement Heart

Severe Biventricular End Stage Heart Disease

Abiocor is a post market approval study for an Implantable Replacement Heart. This post approval study is currently on hold.

No longer available2 enrollment criteria

To Validate the Specific Patterns of Magnetocardiography, a Non-invasive Non-contact Examination...

Arrhythmia

ECG is one of the most important non-invasive method to diagnose CAD and arrhythmia. However, clinically it still has its limitation. Because the electrical field could induce a magnetic field, the newly developed non-contact technique, magnetocardiography, was established to detect the local magnetic field component of the heart. It is safe and more convenient. In this study, we try to define and validate the magnetocardiographic patterns in the patients with cardiac arrhythmias or ischemia.

Available4 enrollment criteria

Platelet Reactivity After Receiving Clopidogrel Among Moderate CKD Patients Undergoing PCI

Coronary Heart Disease

Dual antiplatelet therapy (DAPT) with standard doses of aspirin and clopidogrel has long been the cornerstone in patients undergoing percutaneous coronary intervention (PCI). However, inhibition of platelet activation and aggregation after DAPT varies greatly among patients. Some clinical studies have demonstrated that patients with high on-treatment platelet reactivity are at increased risk of major adverse cardiovascular events. Tailored antiplatelet therapy seems offer an opportunity to improve outcomes after coronary stenting by drug adjustment based on platelet function testing. Unfortunately, the results of 3 major prospective trials (GRAVITAS, ARCTIC, TRIGGER PCI) of personalized antiplatelet therapy are neutral. In these studies, platelet function was only assessed by a single measurement and a single method early after the start of antiplatelet treatment. To test the stability of platelet reactivity measurements over time among patients undergoing PCI, investigators use 3 methods (VerifyNow P2Y12 assay, Flow cytometric assessment of the phosphorylation status of VASP, light transmittance aggregometry) for platelet function testing in 2 periods (~14days), with maintenance doses of clopidogrel.

Unknown status6 enrollment criteria

Association Study to Evaluate TFPI Gene in CAD in Han Chinese

Coronary Heart Disease

The cases were hospitalized patients from two medical centers in Beijing and Harbin respectively. Venous blood was collected by standard vein puncture in fasting condition.

Unknown status3 enrollment criteria

Multi- Level and Integrated Analysis of Mechanisms Underlying Atrial Dysfunction

Ischemic Heart Disease

Integrated and cross-disciplinary analysis of human physiology and disease provides unbiased and deeply informative insights into human health and disease. In this study the investigators will recruit patients undergoing coronary artery bypass surgery to study the atrium of the heart or the aortic wall that when diseased can cause strokes. Hypothesis: Systems-level analysis of the left atrium and aorta cells that integrates imaging, histological, cellular and molecular data will identify new mechanism for cardiovascular form and function.

Unknown status6 enrollment criteria

Endothelial Dysfunction Evaluation for Coronary Heart Disease Risk Estimation in Rheumatoid Arthritis...

Rheumatoid ArthritisCoronary Heart Disease

To evaluate the contribution of the assessment of endothelial dysfunction (ED) in improving coronary hearth disease (CHD) risk stratification obtained by the Framingham risk score (FRS) in rheumatoid arthritis population (RA).

Unknown status9 enrollment criteria
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