Found 1454 clinical trials
Evaluation of the Right Ventricular Systolic Function Using Real-time Three-dimensional Echocardiography in Intensive Care Unit Patients
Right ventricular failure (RVF) is an independent factor of mortality for many pulmonary diseases. Currently, RVF is defined as the incapacity of the RV to maintain the flow without dilating to use the Frank-Starling law (i.e., increase of the ejection volume associated to an increase of the preload).
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- 19 Feb, 2024
- 2 locations
Impact of Interval Training on Sympathetic Hyperactivity and Vascular Function
In this study, the investigators are testing the hypothesis that reduction in sympathetic activity would be greater following high-intensity interval training (HIIT) than moderate-intensity continuous training (MICT) and correspond with improvements in peripheral vascular function, and skeletal muscle function in patients with heart failure with reduced ejection fraction (HFrEF).
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- 19 Feb, 2024
- 2 locations
Heart Transplantation Using Normothermic Regional Perfusion Donation After Circulatory Death
Normothermic regional perfusion (NRP) utilizes Extracorporeal Membrane Oxygenation (ECMO) or cardiopulmonary bypass to reperfuse the heart and other organs in situ after isolation and ligation of the cerebral vessels. In situ resuscitation of the heart has the added advantage of allowing full hemodynamic and echocardiographic assessment of the donor heart …
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- 19 Feb, 2024
- 1 location
Hepatitis C Virus (HVC) Positive Heart Grafts in HCV Negative Recipients
To provide proof-of-concept data on the efficacy/safety of transplanting HCV positive donor grafts in HCV negative heart recipients who are currently listed.
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- 19 Feb, 2024
- 1 location
Ablation Versus Medical Management of Atrial Fibrillation in HFpEF
This is a prospective non-blinded randomized control pilot study comparing the effect of pulmonary vein isolation against medical management of atrial fibrillation in patients with Heart Failure with preserved Ejection Fraction (HFpEF).
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- 19 Feb, 2024
- 1 location
Effect of Nutritional Supplementation and Pulmonary Rehabilitation on the Clinical Status of HF and COPD
Cardiovascular diseases (CVD) are the leading cause of death in the world and our country. The prevalence of Heart Failure (HF) is 1-2% in the adult population in developed countries, up to 10% among people 70 years of age. Concerning COPD, it is estimated that by 2030 will be the …
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- 19 Feb, 2024
- 1 location
CPAP on Acute Stroke and OSA
Traditionally, recurrence of cardiovascular or cerebrovascular events uses documented mortality, morbidity or hospitalization for heart failure, acute coronary syndrome or stroke as clinical endpoints. Recently, several studies showed that enlarged left atrium (LA) can serve as a predictor for recurrent stroke or cardiovascular events.
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- 19 Feb, 2024
- 1 location
Myocardial Contrast Echocardiography in Septic Patients
Myocardial microcirculatory alterations may be involved in the pathogenesis of acute cardiac dysfunction or septic cardiomyopathy in septic patients. The investigators study the cardiac function (systolic and diastolic) with two-dimensional echocardiography (TTE), and the myocardial microcirculation with contrast echocardiography (MCE) and sulphur hexafluoride microbubbles Sonovue injection in ICU septic patients.
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- 19 Feb, 2024
- 1 location
Assessment of Paravalvular Leak After TAVI by Hemodynamic Measurements and Cardiac MRI
Rationale: Transcatheter aortic valve implantation (TAVI) has become the standard therapy for elderly patients with high surgical risks. Paravalvular leakage after TAVI is relatively common and there is conflicting evidence regarding the clinical impact of mild paravalvular leakage in self-expanding devices. Prospective data for self-expanding devices are required to compare …
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- 19 Feb, 2024
- 1 location
Accelerometer Sensing for Micra AV Study
The purpose of the AccelAV Study is to characterize chronic AV synchrony in subjects implanted with MicraTM AV device. This study will be conducted upon market approval of the MicraTM AV Transcatheter Pacing System.
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- 19 Feb, 2024
- 6 locations