View clinical trials related to Cardiomyopathies.
Filter by:The presence of scar within heart muscle can act as a substrate for abnormal rhythm problems and lead to the developement of heart failure Clinical significance Correlation with biomarkers and genetic markers
Prophylactic implant of an ICD (implantable cardioverter defibrillator) for prevention of sudden cardiac death from a life-threatening heart rhythm abnormality is a standard recommendation for patients with ejection fractions (EFs) of 35% or less. The main purpose of the trial is to determine why patients who are receiving care at a community-based cardiology program and are known to have a low ejection fraction (EF) measurement of 35% or less per echocardiogram and/or cardiac nuclear scan testing are not being approached for ICD (implantable cardioverter defibrillator) implant. Additionally, other secondary purposes of the trial are: 1) to determine if these patients are or are not receiving recommendation from their provider to undergo prophylactic ICD implant 2) identify the reasons providers are not recommending ICD implant for their patients with reduced EFs 3) determine reasons patients recommended for ICD implant by their provider elect not to have the implant.
The purpose of this study is to determine whether waveforms of the intracardiac electrograms, acquired through an ICD, can be used: - to predict malignant ventricular arrhythmias, requiring appropriate ICD therapies, and - to predict progression of heart failure in patients with ICD.
The purpose of this research study is to see if a lottery which provides the opportunity to win money, a reminder system using a "Med-eMonitor", or the combination of both might be useful in helping patients to achieve better control of their anticoagulation therapy. Selection for the arms of the study is randomized by the study computer. Some will participate in the daily lottery only, some with the reminder system only, some with the reminder system and the daily lottery, and some with neither the lottery nor the reminder system.
To evaluate the impact of left ventricular (LV) lead location on LV mechanical function.
A prospective randomized double-blind placebo-controlled trail to investigate the effect of high doses of IVIg on cardiac functional capacity and virus presence in a subgroup of patients with chronic symptomatic ICM and a high PVB19 load in the heart.
The objective of this study is as follows: - Perform genetic analysis to define the prevalence of each of the known gene mutations in an unselected cohort of patients with focal segmental glomerulosclerosis (FSGS) - Perform a comprehensive assessment of cardiovascular status to determine the incidence of any cardiac abnormalities in patients with FSGS - Determine if patients with mutations in specific proteins are more likely to have cardiovascular abnormalities - Initiate long-term follow up in all patients to determine whether cardiac prognosis is related to any specific genetic abnormality
This study examines patients with chronic kidney disease-related anemia and measures changes in the metabolism of the heart using FDG/PET scanning, before and 6 months after their health-care provider has initiated anemia management therapy with the FDA-approved drug darbepoetin alfa (Aranesp), which is approved for chronic kidney disease-related anemia. The investigators hypothesize that the heart has abnormal metabolism with the anemia of chronic kidney disease but this improves after correction of this anemia with darbepoetin alfa.
Hypertrophic Cardiomyopathy (HCM) is the most common genetic cardiomyopathy and remains the leading cause of sudden cardiac death in young people and an important cause of heart failure symptoms and death at any age. In HCM, pathological remodeling of the left ventricle involving myocardial fibrosis is likely a major contributor to cardiac dysfunction and also a nidus for the generation of ventricular arrhythmias. Serum markers of collagen turnover have been shown to reliably reflect the magnitude of myocardial fibrosis in a variety of cardiovascular diseases. In addition, aldosterone antagonist drugs have been shown to decrease fibrous tissue formation in the myocardium in certain pathologic cardiovascular states in which aldosterone production is increased. In HCM, aldosterone production is up-regulated and has been implicated in the formation of myocardial fibrosis. Therefore, the specific aims of this proposal are to: 1. assess serum markers of collagen turnover at baseline and correlate these findings with a variety of clinical and morphologic disease parameters 2. examine the effects of a 12-month treatment with the aldosterone antagonist spironolactone on magnitude of fibrosis as measured by serum markers of collagen turnover as well as changes in clinical and morphologic disease parameters. 3. explore the effects of a 12-month treatment with aldosterone antagonist spironolactone on heart failure status, diastolic function, arrhythmic burden, and total LV mass and quantity of fibrosis by CMR. The results of this proposal will offer important insights into the clinical significance of myocardial fibrosis in this primary genetic cardiomyopathy. The demonstration that spironolactone decreases fibrosis and improves clinical course would provide the rational for a larger multicenter clinical trial evaluating this novel therapy for improving clinical outcome in patients with HCM.
This is a pilot study to evaluate the feasibility and safety of the Algisyl-LVR™ device. The purpose of this study is to investigate Algisyl-LVR™ employed as a method of left ventricular restoration in patients with dilated cardiomyopathy who are scheduled to undergo routine open heart surgery. Algisyl-LVR™ will be injected into the myocardium under direct visualization during the surgical procedure. This clinical evaluation is intended to provide the initial evidence of the safety and feasibility of the device as well as the procedure used to deploy the device. The results of the initial trial will also help to establish the utility of various assessments in evaluating and following the effects of the device.