Clinical Trials About "Mental Stress and Myocardial Ischemia After MI: Sex Differences, Mechanisms and Prognosis" RSS

06:02 EST 29th January 2020 | BioPortfolio

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Showing "Mental Stress Myocardial Ischemia After Differences Mechanisms Prognosis" Clinical Trials 1–25 of 17,000+

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Mental Stress and Myocardial Ischemia After MI: Sex Differences, Mechanisms and Prognosis

The purpose of this study is to look at the link between emotional stress and heart disease in men and women. Taking part in this study involves one clinic visit, one week of at home monitoring, and follow up phone calls every 6 months for 3 years.

The Effect of Exercise Training on Mental Stress-Induced Silent Ischemia

Coronary artery disease (CAD) remains the leading cause of death in the elderly. Silent myocardial ischemia (SI) is a manifestation of CAD in which there is a transient alteration in myocardial perfusion, function, and/or electrical activity not accompanied by chest pain. Mental and emotional stress, in particular hostility and anger are potent inducers of SI, Individuals with SI are at a 3-5 fold higher risk for the development of angina, myocardial infarction and death than s...

Responses of Myocardial Ischemia to Escitalopram Treatment

Depression is commonly seen in patients with cardiovascular disorders. In recent studies it has been shown that mild to moderate depression symptoms were associated with increased likelihood of mental stress-induced myocardial ischemia (MSIMI), which is a risk factor of poor cardiac outcome. In this project, the investigators aim to assess the treatment of mental stress-induced myocardial ischemia in ischemic heart disease patients with mild to moderate depressive symptoms. T...

Effect of Mental Stress on Myocardial Perfusion in Women

Mental stress-induced myocardial ischemia(MSIMI) has been recognized a significant clinical problem. Evidence has shown that individuals with MSIMI have 2 to 2.5 times higher risk to develop a major averse cardiovascular events over 3-5 years, compared to their counterparts who have no MSIMI. Nevertheless, investigations into the study of MSIMI among women who have chest pain but artery stenosis < 50% have been lacking. In this project, the investigators used positron emission ...

Neurocardiac Interactions Evaluated by Anatomic and Physiologic MRI Assessment

The purpose of project is to answer fundamental questions about the mechanisms underlying mental stress ischemia in patients with coronary artery disease, mood disorders, or both, and to identify potential biomarkers and psychosocial risk factors associated with this condition. To achieve this goal, investigators will use cutting-edge cardiovascular and functional neuroimaging tools to study mental stress ischemia in a carefully controlled laboratory setting in subjects ...

Mental Stress Ischemia: Biofeedback Study

The purpose of this study is to evaluate the blood flow to the heart during stress and assess changes in blood flow after psychological treatment in participants with coronary artery disease. The aims of the study are to assess the effects of heart rate variability (HRV) biofeedback (versus usual care) on global and regional myocardial blood flow (MBF), peripheral vascular function, and autonomic changes during mental stress.

Stress Multidetector Computed Tomography (MDCT) an New Diagnostic Tool for Myocardial Disease

The goal of this study is to evaluate the ability of MDCT under stress to assess myocardial ischemia. There is some preliminary data in the literature showing the ability of MDCT under stress to bring relevant information about myocardial ischemia. Stress MDCT will have several advantages over single photon emission computed tomography (SPECT) imaging namely: shorter acquisition time, lower irradiation dose, lower cost. The feasibility of such experiment is still debated and ne...

Painless Myocardial Ischemia in Diabetic Patients.

This study aims to investigate the relationship between the concentrations of blood orphanin, norepinephrine and the morbidity of painless myocardial ischemia in patients with diabetes mellitus. Hopefully, the biomarker(s) in the blood of diabetic patients can be found for screening high risk patients in the diabetes sufferers to prevent the painless myocardial ischemia.

Comparison of Anti-Ischemic Drug Therapy and Percutaneous Transluminal Angioplasty After Myocardial Infarction

Silent ischemia has been shown to negatively affect prognosis in patients after myocardial infarction. However, long-term outcome data in totally asymptomatic patients is missing and it is unknown whether angioplasty in addition to secondary preventive measures is superior to antiischemic drug therapy in these patients. Therefore, the SWISSI 2 study was started 15 years ago with the aim of comparing the effects of angioplasty with medical therapy on long-term outcome in patient...

Endothelial and Microvascular Functions in Patients With Myocardial Ischemia

Cardiovascular diseases (CVD) are responsible, throughout the world, for high mortality rates and cardiovascular morbidity. Endothelial dysfunction is the earliest marker of clinical atherosclerosis development. Human studies show that endothelial and microvascular dysfunction are independent predictors of ischemic cardiovascular events and long-term prognosis. The study´s objective is to evaluate the endothelial and peripheral microcirculation changes by venous occlusion plet...


Assessment of HyperQ Signal for Detecting Ischemia During Dobutamine Stress ECG

The purpose of the study is to verify the ability of the HyperQ signal to detect Dobutamine induced Ischemia. The gold standard for ischemia will be the results of Angiography if performed, or Echocardiographic imaging, which was performed during the test.

Mindfulness-Based Stress Reduction and Myocardial Ischemia

The principal objective of the study is to evaluate the effectiveness of a widely used complementary medicine intervention, mindfulness-based stress reduction (MBSR), in which mindfulness meditation and yoga are the principal components in the treatment of a chronic, often fatal illness that affects tens of millions of Americans. The investigators propose to conduct a single center randomized controlled trial in which 150 patients will be assigned to either a mindfulness medita...

Assessment of Myocardial Perfusion by Tomography and Scintigraphy in Patients With Cardiac Stress Test With Ischemia

Cardiovascular diseases are importante cause of death, and of these have highlighted the Coronary Artery Disease (CAD) and its various clinical manifestations. The chest pain suggestive of ischemic heart disease is frequent complaint in medical consultations and hospitalizations . Complementary tests and images exams for risk stratification as Cardiac Stress Test (ET), the Myocardial Perfusion scintigraphy of (SPECT) are established for risk stratification and assessment workup...

Does Ranolazine Decrease Biomarkers of Myocardial Damage in Diabetics

The purpose of this investigation is to compare subjects at high risk for silent myocardial ischemia in the placebo group to subjects at high risk for silent myocardial ischemia in the ranolazine group to determine if ranolazine can be used as a treatment to decrease silent myocardial ischemia (SMI). Subjects at high risk for silent myocardial ischemia are defined in this protocol as diabetics with stable ischemic heart disease. This study will look at the impact ranolazine tre...

Study of Hypertrophic Cardiomyopathy Under Stress Conditions. Concordance Between Two Complementary Tests: Stress MRI and Exercice Stress Echocardiography

Hypertrophic cardiomyopathy (HCM) is a primitive myocardic disease and the first of genetic cardiac diseases. The definition of HCM is an increase of the myocardial thickness of the left ventricle (LV) wall without any other causes of hypertrophy. It's characterized by an important heterogeneity of prognosis and clinical expression going from a asymptomatic state until the devastating sudden death occurring in a young person.The diagnosis of HCM is definite by a myocardial thi...

MyoStrain CMR Testing of Ischemia With Low Levels of Stress

This prospective, observational study evaluates the accuracy of stress testing with the MyoStrain SENC CMR Imaging System to detect myocardial ischemia and viability in patients with suspected coronary artery disease using low levels of stress.

Therapeutic Effect of Local Hypothermia in Treatment of Acute Myocardial Infarction

Recent clinical studies have shown that systemic therapeutic hypothermia improving the outcomes in patients with ST segment elevated myocardial infarction (STEMI) received primary percutaneous coronary intervention (P-PCI).Likewise, a few in vivo animal experiments have described the methods, mechanism and rationale of therapeutic hypothermia, including local myocardial hypothermia. However, little is known of the local myocardial hypothermia having impact on prognosis of the p...

Ischemic Memory Imaging With Myocardial Contrast Echocardiography

The overall aim of this study is to determine whether non-invasive imaging with myocardial contrast echocardiography using can provide information on the presence and spatial extent of recent myocardial ischemia by non-invasive echocardiographic imaging.

Dynamic Stress Perfusion ct for Detection of Inducible Myocardial Ischemia MYOCARDIAL ISCHEMIA

The purpose of this study is to determine the diagnostic accuracy of MPICT for the detection of hemodynamically relevant coronary stenosis (as determined by invasive FFR) in patients with suspected or known CAD clinically referred for invasive angiography.

Comparison of Diagnostic Rest/Stress SPECT Results for Patients With Myocardial Ischemia and Infarction Using Myoview in Both Single and Dual Isotope Acquisition Approaches

The study is designed to determine whether a dual isotope protocol is equivalent to a single isotope in the diagnosis of myocardial ischemia and infarction using MYOVIEW SPECT imaging.

Stem Cell Therapy for Vasculogenesis in Patients With Severe Myocardial Ischemia

Mesenchymal stem cells from the bone marrow can be stimulated to differentiate into endothelial cells and participate in the development of new blood vessels in ischemic tissue. The aim of the study is in a phase I/II safety and efficacy study to evaluate the clinical effect of autologous mesenchymal stem cell therapy in patients with severe chronic myocardial ischemia.

Multicenter Study of Silent Myocardial Ischemia (MSSMI)

To determine if silent myocardial ischemia was associated with an increased risk of cardiac mortality and morbidity during a one to three year follow-up in patients with coronary heart disease.

Clinical Study on the Correlation Between IMR(Index of Microcirculation Resistance) and FFR(Fractional Flow Reserve)

To study the effect of myocardial microcirculation disturbance on coronary flow reserve fraction, compare the evaluation value of IMR, FFR and QCA on myocardial ischemia, and discuss the correlation among them.

The Relationship Between the Response to Mental Stress and Vascular Endothelial Function

The aim of this study is to measure how different people respond to mental stress. The investigators will measure if there are differences in cardiovascular responses to mental stress among different groups of subjects. In one part of the study the investigators will compare the cardiovascular responses to mental stress between healthy women and healthy men. In another part of the study, the investigators will compare the cardiovascular responses to mental stress between women ...

Impact of Stress CT Myocardial Perfusion on Downstream Resources and Prognosis

CT myocardial perfusion imaging (CTP) represents one of the newly developed CT-based techniques but its cost-effectiveness in the clinical pathway is undefined. The aim of the study is to evaluate the usefulness of combined evaluation of coronary anatomy and myocardial perfusion in intermediate to high-risk patients for suspected CAD or with known disease in terms of clinical decision-making, resource utilization and outcomes in a broad variety of geographic areas and patient s...

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