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We list hundreds of Clinical Trials about "Percutaneous left atrial appendage closure stroke prevention atrial" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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The aim of the study LA-EU-01 was to examine the safety and the feasibility of the LAmbreTM Left Atrial Appendage Closure System in patients with non-valvular paroxymal, persistent or permanent atrial fibrillation, by using imaging approaches, i.e. combined trans-esophageal and transthoracic echocardiography. The conducted LA-EU-01 study was a prospective, non-randomized, multi-center, open-label, non-comparative, interventional clinical investigation with the participation of...
The objective of Left atrial appendage closure compared to standard antiplatelet therapy in patients with AF who underwent percutaneous coronary intervention (LLA-PCI) study is to evaluate the safety and efficacy of implantation of left atrial appendage closure compared to standard antiplatelet therapy for prevention of thromboembolic events and stent thrombosis in subjects with AF who underwent PCI.
The purpose of the study is to demonstrate the safety and the rate of closure of the Ultrasept Left Atrial Appendage (LAA) Closure System for the percutaneous occlusion of the left atrial appendage in patients with non-valvular atrial fibrillation.
Patients with atrial fibrillation are at significant risk of thrombus formation in the left atrial appendage, which can lead to a stroke or systemic embolism. This risk justifies first-line prescribing of long-term oral anticoagulant therapy in these patients. Percutaneous left atrial appendage closure, is a new interventional cardiology technique for patients at high risk of stroke related to atrial fibrillation in whom long term anticoagulation therapy cannot be conducted. Th...
Patients with atrial fibrillation are exposed to a high risk of thrombus in the left atrium that can induce cerebral vascular events or systemic embolisms. This justifies the prescription of anticoagulant therapies in patients with high risk of thromboembolic event. Percutaneous left atrial appendage closure is a new interventional strategy for patients with high risk of cardiovascular events and a counter-indication for long term treatment with anticoagulant agents. However, o...
Atrial fibrillation is a heart rhythm disorder that often occurs after heart surgery. During atrial fibrillation blood cloths may form, predominantly in the left atrial appendage, a small sac in the wall of the left side of the heart. Some heart surgeons close this appendage to protect against stroke, particularly in patients with a history of atrial fibrillation, yet there is little evidence to support the efficacy and safety of this practice. We therefore conducted the Left ...
The study cohort will consist of up to 50 patients who are candidates for Left Atrial Appendage (LAA) closure in whom oral anticoagulation is contraindicated. Subjects evaluated for left atrial appendage closure will be screened for inclusion and consented prior to their procedure. If the anatomy is favorable for placement of the Lariat® device, the procedure will be performed at one of the participating centers. If anatomy is not favorable, the patient will be excluded from ...
This study is a single-centre prospective post-market approval of the early experience with the Watchman FLX device for left atrial appendage closure in patients with atrial fibrillation at high risk of thromboembolic stroke and with contraindications to long-term oral antocoagulation therapy.
Atrial fibrillation (AF) is a common comorbidity of patients candidates to transcatheter aortic valve implantation (TAVI). The management of chronic oral anticoagulation (OAC) for the prevention of ischemic stroke is very challenging in this population of complex and frail subjects. Since the percutaneous left atrial appendage (LAA) closure with the WATCHAMN device proved promising safety and efficacy results in randomized comparisons with OAC (current standard of care), the ai...
Closure of the left atrial appendage in patients with atrial fibrillation and risk for stroke is a increasing technology leading to exclusion of the left atrial appendage volume from the blood circulation and therefore protects from cardioembolic strokes- It is unclear if the volume reduction of the left atrium leads to a change in exercise capacity or Quality of life.
Although the clinical impact of left atrial appendage (LAA) leaks still requires confirmation, the open pouch with residual flow resulting from incomplete LAA closure may promote blood stagnation and thrombus formation, and increase the risk of thromboembolic events. The main purpose of this trial is to evaluate the safety and efficacy of percutaneous leak closure with detachable vascular coils.
This study will evaluate thrombogenicity in patients undergoing left atrial appendage closure using the WATCHMAN device. Parameters of thrombosis and platelet function, as well as other bio-markers, will be measure before, during, and after WATCHMAN implantation at several follow up visits.
The Amulet™ device will be evaluated for safety and efficacy by demonstrating its performance is non-inferior to the commercially available WATCHMAN® left atrial appendage closure device in patients with non-valvular atrial fibrillation. Patients who are eligible for the trial will be randomized to receive either the Amulet device or the WATCHMAN device and will be followed for 5 years after device implant.
Left atrial appendage closure (LAAC) is an emerging therapeutic option in non-valvular atrial fibrillation (NVAF) patients with high thromboembolic and bleeding risks. In Europe the devices most frequently utilized for LAAC are Amplatzer Amulet (St. Jude Medical-Abbott) and Watchman (Boston Scientific) system. However there are currently no randomized controlled trials assessing the degree of LAA closure between the two devices. The main purpose of this trial is to evaluate the...
The study goal is to determine the clinical benefit of percutaneous catheter‐based left atrial appendage (LAA) closure in patients with non-valvular atrial fibrillation (NVAF) at high risk of stroke (CHA2DS2‐VASc Score ≥2) as well as high risk of bleeding as compared to best medical care (including a [non-vitamin K] oral anticoagulant [(N)OAC] when eligible).
An evaluation of the safety and performance of the Conformal Left Atrial Appendage Seal Device for Left Atrial Appendage Occlusion
The purpose of this study is to conduct a continuous telephone follow-up study on subjects who had completed the one-year follow-up of the LAmbre™ left atrial appendage (LAA) system registration trial. The follow-up time was 2 years, 3 years, 4 years and 5 years after left atrial appendage closure operation, to evaluate the long-term safety and effectiveness of LAmbre™ LAA Closure System.
Stroke is a major cause of morbidity in western society, and an infrequent complication of cardiac surgery. The majority of thromboembolic strokes arise from the left atrium, in particular the left atrial appendage. This study aims to assess the short-term effects of left atrial appendage ligation in terms of postoperative clinical and biochemical parameters; and the long-term effects of left atrial appendage ligation in terms of stroke incidence.
This cohort study aims to evaluate thoracoscopic left atrial appendage excision with warfarin for the prevention of stroke and non-central nervous systemic embolism in patients with atrial fibrillation and thromboembolism.
The WAVECREST 2 trial is a prospective, multicenter, randomized, active controlled, clinical trial to evaluate the safety and effectiveness of the Coherex WaveCrest Left Atrial Appendage (LAA) Occlusion System.
Atrial fibrillation (AF) is progressively common, and increases the risk of stroke five-fold. Oral anticoagulation is the mainstay therapy; however, it increases the risk of bleeding. Moreover, 30% with AF and at risk of stroke are not in relevant anticoagulation. The randomized PROTECT-AF trial has demonstrated the superiority of left atrial appendage occlusion (LAAO) as compared to warfarin for prevention of the combined endpoint of stroke, major bleeding and cardiovascular m...
To evaluate the effects of mechanical left atrial appendage (LAA) closure for secondary prevention of stroke in the patients with nonvalvular atrial fibrillation
Intracerebral hemorrhage (ICH) in patients with non-valvular atrial fibrillation (NVAF) poses a particular dilemma for thromboprophylaxis. Left atrial appendage occlusion (LAAO) is a non-pharmacological approach to prevent cardiac embolism in NVAF. The risk-benefit ratio of LAAO in patients with NVAF after ICH is unknown. The aim of STROKECLOSE is to assess the effect of LAAO to reduce the incidence stroke, bleeding and cardiovascular mortality in patients with NVAF and prior I...
The WATCHMAN™ Left Atrial Appendage Closure (LAAC) Technology is intended to prevent thrombus embolization from the left atrial appendage and reduce the risk of life-threatening bleeding events in patients with non-valvular atrial fibrillation who are eligible for anticoagulation therapy or who have a contraindication to anticoagulation therapy.
We will compare long-term effectiveness and safety in patients with atrial fibrillation treated with left atrial appendage occlusion versus new oral anticoagulants to prevent ischemic stroke from multicenter registry data