View clinical trials related to Aortic Valve Disease.
Filter by:The purpose of this clinical research study is the design of a novel modular hybrid system extracorporeal circulation circuit for open heart procedures that could easily be converted from a closed to a semi-closed circuit according to the indication. This could expand the potential of minimal extracorporeal circulation and could ultimately become the new standard circuit in performing every type of cardiac surgery.
Bicuspid Aortic Valve (BAV) is the most common congenital heart malformation in adults, but very little is known about the genetic causes or risk factors for adverse outcomes. Currently, it is estimated that most cases of aortic stenosis in patients less than 65 years old are caused by BAVs. BAV patients are also at high risk to develop aneurysms of the ascending aorta, which may lead to aortic dissections. Dr. Prakash and his colleagues plan to use individual genetic information to identify persons with BAV who are at high risk for complications and to customize therapies.
The purpose of this study is to assess the safety and device success of the Edwards SAPIEN 3 Transcatheter Heart Valve (S3 THV) and the Edwards Commander and Certitude Delivery Systems in patients with symptomatic, severe aortic stenosis who are indicated for aortic valve replacement.
The purpose of this study is to assess the safety and device success of the Edwards CENTERA Transcatheter Heart Valve (THV) System in patients with symptomatic, severe aortic stenosis who are indicated for aortic valve replacement.
The purpose of this study is to compare aspirin + clopidogrel with aspirin alone as antithrombotic treatment following transcatheter aortic valve implantation (TAVI) for the prevention of major ischemic events [myocardial infarction (MI), ischemic stroke] or death without increasing the risk of major bleeding events.
The bioprosthetic aortic valve replacement is a frequent intervention because of the predominance of calcified aortic stenosis, which is the most common valvular disease, and aging of the population. International guidelines recommend anticoagulant therapy during the 3 postoperative months, but the risk-benefit ratio of anticoagulation post-operatively is questioned because of the low level of evidence available studies and their sometimes conflicting conclusions. Questionnaires sent to practitioners have highlighted discrepancies between common practices and recommendations. However, there is no analysis of actual patterns of postoperative anticoagulation after aortic valve replacement with bioprosthesis. The aim of the ARVA observatory is to establish a cohort of 600 patients enrolled in 3 months and had a bioprosthetic aortic valve replacement in one of the 22 surgical centers French.
The purpose of this study is to compare the incidence of silent and apparent cerebral embolism between conventional and minimal-invasive transfemoral aortic valve repair.
The purpose of this study is to compare cardiac output results obtained using the thermodilution push technique with the Pulmonary Arterial Catheter (PAC) to the predicted cardiac output results obtained from the non-invasive FloWave™ 1000 device.
Background-:. The Medtronic-Hall (MH) valve was developed and for the first time implanted in Oslo in 1977. A total of 1,104 patients received this valve at Rikshospitalet-Radiumhospitalet HF in the period 1977-87. In the present study we followed all 816 patients undergoing aortic valve replacement (AVR) over a 25-year period.
The purpose of this study is to determine if there is any difference in the counts of cerebral emboli and platelet function between two prophylactic treatments of thrombosis currently used at University of Ottawa Heart Institute for the first three months after surgery in low-risk patients undergoing aortic valve replacement with a bioprosthetic valve: 1) daily use of high-dose aspirin [325 mgs], and 2) the combination of oral Warfarin [target INR 2.0 to 3.0] and low-dose aspirin [81 mg].