View clinical trials related to Chest Pain.
Filter by:Cardiovascular disease is the most common cause of mortality and morbidity worldwide. Recently, a growing body of evidence has identified Vitamin D deficiency as a potential risk factor for cardiovascular disease. Therefore, there is an increasing interest to explore the mechanism in which vitamin D deficiency affect the cardiovascular system. The investigators want to examine the relationship between serum vitamin D levels and the coagulation status in the subjects. The applied the calibrated automated thrombogram (CAT) to assess thrombin generation in plasma as a measure of overall thrombotic activity, and thus to suggest a mechanism that may explain the link between vitamin D deficiency and cardiovascular disease. Our study population are going to include 100 patients from the internal departments in Emek hospital, who present with chest pain but without acute coronary syndrome (ACS). The investigators will take blood samples from the subjects to measure the serum vitamin D levels and the generation of thrombin. The patients will be divided into four groups according to the level of vitamin D to evaluate the effect of vitamin D levels in the blood on coagulability and thrombotic activity in these patients.
This study is to see whether the low-dose coronary computed tomographic angiography (CCTA) protocol is as safe and efficacious as conventional-dose protocol in early triage of acute chest pain.
Current therapeutic options for a well-recognized group of patients with anginal symptoms—a positive exercise tolerance testing, SPECT or perfusion defect in MRI but angiographically normal coronary arteries—are limited. The condition, referred to as microvascular angina (MVA) or cardiac syndrome X, is not as benign as originally reported—patients presenting with unstable angina and nonobstructive atherosclerotic coronary artery disease have a 2% risk of death or myocardial infarction at 30 days of follow-up. It is more common in women in whom the first presentation of angina occurs either perimenopausally or postmenopausally. Aberrant flow-mediated coronary vasomotion is pivotal in the pathogenesis (systemic) impairment in endothelial function. Indeed, some centers use systemic assessments of vascular function in their diagnostic pathways for this group of women. It was recently suggested that endothelial dysfunction may lead to myocardial ischemia. In the present study, the investigators tested the hypothesis that udenafil offers dual benefits of improving vascular function and lessening ischemia in women with angina, perfusion defect in cardiac MRI, and normal coronary arteries.
Aim of this study is to quantify the impact of the use of the HEART risk score on patient outcome and on costs in patients with chest pain presenting at the emergency room, as compared to not using the score.
To determine the significance of a simple bedside clinical test (chest wall tenderness) to exclude myocardial ischemia in different demographic groups.
Compared with standardized western medical drug therapy, this study is mainly about whether the combination of standardized western medical drug therapy and Chinese medical continued treatment, can further decrease the rate of cardiovascular events for stable angina patients and change the condition of angina.
The PRESET Registry--A Registry to Evaluate Patterns of Care Associated With the Use of Corus CAD (Age/Sex/Gene Expression score - ASGES) in Real World Clinical Care Settings (PRESET)--was designed as an observational, post-market, real-world registry to evaluate patterns of care, including referrals to a cardiologist, cardiac stress testing, CT angiography, within the first month after Corus CAD (ASGES) testing.
Our research will examine a chest pain care strategy, called the HEART pathway, which is designed to correctly identify Emergency Department patients at high-risk for cardiovascular events, likely to benefit from further testing, and patients at very-low-risk for cardiovascular events, who may be safely discharged home. By using an individual's risk assessment to determining testing, we hope to improve the quality and efficiency of the care delivered to Emergency Department patients with chest pain. Our study will determine if the HEART pathway, which combines a clinical decision rule, the HEART score, and two serial troponin measurements, will reduce stress testing and cardiovascular imaging, decrease hospital length of stay, and reduce cost compared to usual care, while maintaining safety.
The purpose of this study is to investigate a new treatment for non-cardiac chest pain (NCCP) related to gastrointestinal reflux disease (GERD), called Dexilant. The investigators would like to test its effectiveness in treating NCCP. The patient will undergo esophageal balloon distention testing (EBDT) before and after taking the new treatment for one month (Dexilant). EBDT evaluates the sensation and mechanical properties of the esophagus. A catheter with a deflated balloon is placed through the mouth and into the esophagus and the balloon is inflated with water. ECG and labs will be done throughout the study as a measurement of safety.
It is recognized that endothelial dysfunction is a major factor contributing to the atherogenic process. Abnormal function of the endothelium is detectable prior to obvious intimal lesions in patients with risk factors for atherosclerosis. Endothelial dysfunction is a systemic disorder and a key variable in the pathogenesis of atherosclerosis and its complications. Measurement of peripheral vasodilator response with fingertip peripheral arterial tonometry (PAT) technology (EndoPAT; Itamar Medical, Caesarea, Israel) is emerging as a useful method for assessing vascular function. EndoPAT may be a potential valid test increasing the accuracy, sensitivity and specificity for detection of subjects to chest pain unit (CPU) with chest pain but no obvious coronary artery disease (CAD). This is a relatively fast non-invasive bedside test, relatively low-cost and has no side effects. Therefore, the primary objective of the study is to test the hypothesis that abnormal endothelial function as assessed by EndoPAT testing will increase the prediction of the short (in-hospital) and long-term (1-year) outcome of patients presenting to the chest pain unit.