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Ischemic Heart Disease clinical trials

View clinical trials related to Ischemic Heart Disease.

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NCT ID: NCT05037799 Not yet recruiting - Clinical trials for Ischemic Heart Disease

Dose Optimization for Rubidium PET Imaging in Patients With Known or Suspected Ischemic Heart Disease

RUBY-DOSE
Start date: October 1, 2021
Phase:
Study type: Observational [Patient Registry]

Selection of the appropriate administered activity for each patient's body habitus is very important to obtain diagnostic image quality. Current SPECT imaging guidelines suggest "…an effort to tailor the administered activity to the patient's habitus and imaging equipment should be made… [however] strong evidence supporting one particular weight-based dosing scheme does not exist." An increase in body weight leads to higher fractions of attenuated and scattered photons, resulting in lower quality PET images for a given injected activity. Weight-based tracer dosing is commonly recommended as a solution in whole-body PET imaging with F-18-FDG. In contrast, Rb-82 PET imaging has traditionally been performed using a single dose (e.g. 40 mCi) administered for all patients but this is known to result in lower count-density and image quality in larger patients. This effect can be mitigated to some degree by administration of Rb-82 activity as a proportion of body weight while maintaining accuracy for the detection of disease. The objective of this project is to determine whether Rb-82 activity administered as a squared function of patient weight (quadratic dosing) can standardize PET myocardial perfusion image quality over a wide range of body weights. Sequential patients referred for dipyridamole stress Rb-82 PET perfusion imaging at the University of Ottawa Heart Institute. Patients will be divided into 4 weight groups to determine if there are significance differences in image quality or accuracy of injected Rb-82 activity between patients. Twelve (12) patients will be recruited in each of the 4 weight groups (3 in each 10 kg interval) to uniformly sample the full range of patient weights from 30 to 190 kg. Based on the previous oncology PET literature image quality is not expected to change as a function of weight, i.e. SNR and CNR will be proportional to weight0 (no weight-dependence) with quadratic dosing of Rb-82. Two operators will perform the PET image analysis as described above.

NCT ID: NCT05027984 Recruiting - Clinical trials for Coronary Artery Disease

Interventional Strategy for Non-culprit Lesions With Major Vulnerability Criteria at OCT in Patients With ACS

INTERCLIMA
Start date: June 30, 2021
Phase: N/A
Study type: Interventional

The INTERCLIMA (Interventional Strategy for Non-culprit Lesions With Major Vulnerability Criteria Identified by Optical Coherence Tomography in Patients With Acute Coronary Syndrome) is a multi-center, prospective, randomized trial of optical coherence tomography (OCT)-based versus physiology-based (i.e. fractional flow reserve[FFR]/instantaneous Wave-Free Ratio[iFR]/resting full-cycle ratio[RFR]) treatment of intermediate (40-70% diameter stenosis at quantitative coronary angiography), non-culprit coronary lesions in acute coronary syndrome (ACS) patients undergoing coronary angiography. About 1400 patients with ACS will be randomized into the study at approximately 40 sites worldwide.

NCT ID: NCT05018247 Recruiting - Clinical trials for Ischemic Heart Disease

Early Revascularization in Stable Ischemic Heart Disease Using P.E.T. Imaging

PETREVASC
Start date: May 4, 2021
Phase: N/A
Study type: Interventional

To compare the impact of revascularization and Optimal Medical Treatment (OMT) on the extent of severely reduced coronary flow capacity in stable ischemic heart disease.

NCT ID: NCT05003817 Not yet recruiting - Clinical trials for Coronary Artery Disease

Controlled Trial of High-risk Coronary Intervention With Percutaneous Left Ventricular Unloading

CHIP-BCIS3
Start date: August 2021
Phase: Phase 3
Study type: Interventional

Over 100,000 coronary stent procedures, where small balloons are used to stretch open a narrowed blood vessel, are performed every year in the United Kingdom to treat people who have conditions such as angina or have suffered a heart attack. For most patients the risk of complications is low, but for some, there is a higher risk of their heart failing during the procedure. Heart failure is a serious complication which can need treatment with a life support machine and lead to major damage to the heart muscle or even death. These risks are greatest in patients with severely diseased heart arteries and those who already have weakened heart muscle. A new technology may be able to help with this problem. It consists of a small heart pump which is placed in the heart's main pumping chamber (the left ventricle, LV). This pump is known as a LV unloading device. The LV unloading device is inserted into the heart through a blood vessel in the leg and supports the heart muscle. It is removed at the end of the procedure or when the heart can pump safely on its own. Whilst this heart pump is promising, it comes with some risks of its own. These include bleeding and damage to the arteries in the legs. It is also expensive, costing £8,000 per operation. Currently, there is no strong evidence to guide the use of this device. The CHIP-BCIS3 study aims to determine whether these heart pumps are beneficial and cost-effective in patients receiving a stenting procedure who are at high-risk of complications.

NCT ID: NCT05003791 Not yet recruiting - Clinical trials for Ischemic Heart Disease

Perceived Social Support, Heart Rate Variability, and Hopelessness in Patients With Ischemic Heart Disease

Hope Beats
Start date: August 2021
Phase:
Study type: Observational

Cardiovascular disease is the leading cause of death worldwide, with ischemic heart disease (IHD) the leading cause of cardiovascular mortality. Persons with IHD suffering from psychological distress, including hopelessness, are more likely to die from IHD. Following a stressful event, the vagus nerve enables activation of either a sympathetic (fight/flight) or parasympathetic (rest/digest) response. Heart rate variability (HRV), the beat-to-beat variability between normal successive heart beats, is a biomarker of both adaptive and maladaptive reactions to stress. Decreased HRV predicts greater risk for morbidity and mortality and is associated with poor mental health outcomes in persons with IHD. As stated by polyvagal theory, HRV may be influenced by social support. Decreased perceived social support (PSS), a social determinant of cardiovascular risk, is predictive of increased morbidity and mortality in persons with IHD. Decreased PSS has been associated with hopelessness in patients with cancer, but this relationship has not been studied in IHD beyond the applicant's small pilot study of patients with hopelessness. Hopelessness, a negative outlook and sense of helplessness about the future, is present in 27-52% of patients with IHD. This is of grave concern, because hopelessness is associated with a 3.4 times increased risk of mortality and nonfatal myocardial infarction in patients with IHD, independent of depression. This research focuses on understanding the biological (HRV) and social (PSS) aspects of hopelessness, with the long-term goal of developing and testing novel interventions to reduce the adverse effects of hopelessness and improve health outcomes in patients with IHD. Participants for this cross-sectional study will be recruited while hospitalized for an IHD event. Participants will include patients who report moderate to severe hopelessness from the sponsor's NIH-funded study (n = 225); additional patients with minimal to no hopelessness will be recruited and enrolled by the applicant (n = 45). Data collection will take place remotely two weeks after hospital discharge. Specific aims include: Aim 1) Evaluate the relationship between HRV and hopelessness in patients with IHD; Aim 2) Determine the relationship between PSS and hopelessness in patients with IHD; and Aim 3) Explore the possible mediating effect of HRV on the relationship between PSS and hopelessness in patients with IHD.

NCT ID: NCT04996966 Recruiting - Clinical trials for Ischemic Heart Disease

Effect of Human Umbilical Cord-derived Mesenchymal Stem Cells on Non-cardiac Surgery-induced Lung Injury

Start date: August 2021
Phase: Phase 1
Study type: Interventional

This study is an exploratory clinical study to observe the improvement of lung function before and after the treatment by human umbilical cord-derived mesenchymal stem cells, and the purpose is to evaluate the safety and effectiveness of human umbilical cord-derived mesenchymal stem cells on non-cardiac surgery-induced lung injury in patients with ischemic heart disease. The study is a randomized parallel controlled study. Patients receive a review of which main content includes symptom improvement, lung function improvement, and adverse events.

NCT ID: NCT04977089 Recruiting - Clinical trials for Ischemic Heart Disease

Study of Lipid Profile of Patients With Chronic Coronary Syndromes at Sohag University Hospital

Start date: August 1, 2020
Phase:
Study type: Observational

Chronic coronary syndrome (CCS) is a newly described classification devised by the European Society of Cardiology (ESC) 2019 to replace the term "Stable Coronary Artery Disease (CAD). The main reason for effecting the change is the term is thought to better describe the disease process and encompass a wider spectrum of clinical, pharmacological, and pathophysiological entities. Using this new term, the disease atherosclerosis manifests as CAD is categorized into Acute Coronary Syndrome (ACS) and CCS. The main focus of introducing the concept of CCS is on the fact that CAD is a continuous phenomenon involving intravascular plaque aggregation and progression which has different evolutionary phases. Dyslipidemia is recognized as a prominent risk factor for cardiovascular (CV) disease. It is characterized by an elevation of serum total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), or triglycerides (TG) and reduced serum high-density lipoprotein cholesterol (HDL-C) concentration . Genetically determined and metabolically induced disturbances in lipid metabolism, as manifested in several types of dyslipidemia, have been shown to be causally related to the development of coronary artery disease (CAD). A diversity of clinical and angiographic studies has been made to evaluate the linkage between plasma lipid-control therapy in the development of recurrent cardiovascular events. Independent predictors of recurrent CVD events or death include age, smoking, hypertension (HTN), dyslipidemia, diabetes mellitus, chronic kidney disease, and the underutilization of medications recommended by current treatment guidelines.

NCT ID: NCT04974541 Not yet recruiting - Clinical trials for Ischemic Heart Disease

Improving Wellbeing in Ischemic Heart Disease

Start date: August 25, 2021
Phase: N/A
Study type: Interventional

The purpose of this research is to see if Heart Health Yoga (HHY) Program when added on to standard cardiac rehabilitation (CR) will improve overall wellbeing and quality of life for patients experiencing ischemic heart disease, heart problems caused by narrowed heart arteries.

NCT ID: NCT04970017 Recruiting - Clinical trials for Ischemic Heart Disease

Correlation Between Left Ventricular Global Strain Measured by Speckle Tracking Echocardiography and Scar Burden Measured by Cardiac Magnetic Resonance Imaging in Patients With Ischemic Heart Disease

Start date: January 1, 2021
Phase:
Study type: Observational

To verify whether GLS and LV mechanical dispersion, measured by two-dimensional speckle-tracking echocardiography (2D-STE) correlate with LV scar burden measured by cardiac MRI in patients with ischemic heart disease.

NCT ID: NCT04966273 Not yet recruiting - Clinical trials for Ischemic Heart Disease

Study to Evaluate the Safety and Effectiveness of the Biosensors Microcatheter in Coronary Chronic Total Occlusions (CTO) - BIOMICS

BIOMICS
Start date: October 1, 2021
Phase: N/A
Study type: Interventional

Biosensors, the Sponsor would like to determine if the Biosensors Microcatheter is safe and effective in treating patients with CTO by assessing a composite of in-hospital cardiac death or myocardial infarction and device success (defined as successfully facilitate placement of a guidewire beyond the occluded coronary segment), respectively.