View clinical trials related to Severe Aortic Stenosis.
Filter by:The purpose of the clinical investigation is to determine efficacy and safety of using the rapid pacing of SavvyWire™ during TAVI procedures.
Severe aortic valve stenosis is known to affect heart haemodynamics, endothelial function and body inflammation markers. Our aim is to investigate the weather transcatheter aortic valve implantation in patients with severe aortic stenosis affects heart rate variability, inflammation markers and endothelial function.
Exertional angina is common symptom in patients with severe aortic stenosis (AS) without obstructive coronary artery disease (CAD). Although reduced myocardial flow reserve is one of the proposed explanations for angina, little is known about the pathophysiology. This study aimed that adenosine-stress cardiac magnetic resonance can be used for the assessment of myocardial perfusion reserve and suggest the pathophysiology of development of angina in patients with severe AS without obstructive CAD.
The purpose of this study is to evaluate the safety and performance of the HLT System in patients with severe aortic stenosis who present at High Risk for aortic valve replacement surgery.
Acquired Von Willebrand disease (type 2A) has been described in patients with severe aortic stenosis, the association of aortic stenosis and Digestive bleeding due to this phenomena has received the name of Heye´s syndrome. We propose that administering Desmopressin (DDAVP) in patients scheduled to aortic valve replacement surgery will reduce blood loss and transfusion rate. this was a pilot study
This is an international, multicenter, open-label, randomized controlled trial. All patients undergoing transfemoral TAVR at the participating centers will be eligible. All sites will initiate enrolment with 2 feasibility roll-in bivalirudin treated patients and thereafter patients will be randomly assigned to either standard dosing of bivalirudin or UFH as control. The 2 roll-in cases per site will constitute the feasibility cohort that will be followed and analyzed separately. Patients will undergo TAVR according to current standard of care practices at the treating centers. Use of antiplatelet agents pre, during, and post procedure, and possibly oral anticoagulants post procedure, will be according to the sites' standard practice. ALL available data will be collected in the eCRF prospectively
The purpose of the study is to evaluate the safety and efficacy of the Medtronic CoreValve® System in the treatment of symptomatic severe aortic stenosis in subjects who have a predicted very high risk and high risk for aortic valve surgery.
The purpose of the study is to evaluate the safety and efficacy of the Medtronic CoreValve® System in the treatment of symptomatic severe aortic stenosis in subjects who have a predicted high risk for aortic valve surgery and/or very high risk for aortic valve surgery.
This registry is to expand upon existing data sets, to identify patient characteristics and indicators related to complications and clinical benefits for patients with symptomatic severe calcific degenerative aortic stenosis that are undergoing treatment with the commercially available Edwards SAPIEN XT™ Valve, and delivery devices.
The CoreValve Advance study is intended to evaluate the clinical utility of the Medtronic CoreValve System in a "Real-World" patient population.