Active clinical trials for "Aortic Valve Stenosis"

The purpose of this study is to narrow the gap between patients being diagnosed with severe aortic stenosis and those being appropriately monitored and treated. For this purpose a prospective survey of current practice (3 months) will be conducted followed by a six month period of intervention during which a variety of quality improvements measures will be implemented. There will then be a 3 month follow-up period during which the legacy of this initiative will be monitored during which no intervention will be carried out.

This study is to analyse if the size of the valve can be determined with a preoperative CT scan of the heart in order to prepare the valve preoperatively to save time.

Prospective, multi-centre, multi-national registry with a follow-up of 3 months, in five European countries and Canada (Toronto), with elective patients undergoing TF-TAVI (n=120) and isolated SAVR (n=120), respectively and a control group of 50 patients receiving medical treatment only. All patient groups will fill in three different questionnaires to assess quality of life in 5 different languages (English, French, German, Italian and Spanish). One of these will be a new questionnaire, the Toronto Aortic Stenosis QoL (Quality of Life) questionnaire (TASQ).

As for today, transcatheter aortic valve implantation (TAVI) is indicated only in symptomatic patients with severe aortic stenosis (AS) at high surgical risk. As cancer therapy improves, some AS patients suffering active malignancy (including advanced metastatic diseases) may be more endangered by their untreated valvular disease than their oncological disease. Among these patients, TAVI may be indicated before cancer related surgery or cardiotoxic anti-cancer therapy in order to achieve better anti-cancer therapy outcomes. Individualized life expectancy assumptions should be evaluated by the heart team in the clinical decision-making process as an essential factor in weighing the risk-benefit ratio for oncologic patients undergoing TAVI. A multicenter, international TAVI in Oncology Patients with AS (TOP-AS) registry was designed to collect data on patients with an active malignancy and severe AS undergoing TAVI. The aim of the study is to evaluate the outcomes, benefits and risks of oncology patients undergoing TAVI, mainly the patients' survival and cause of death and also the interactions between the valvular and the oncologic conditions.

The overall goal of this study is to develop and validate a preference assessment tool for patients who have severe aortic stenosis and are contemplating their treatment options. The first part of the study focuses on understanding the treatment goals and treatment features that matter most to patients who have already made the decision. The investigators use mixed methods (nominal group technique, card sorting) to elicit, prioritize, and organize these patient preferences into a "cognitive map". Based on those findings, the investigators design a preference tool and then pre-test the tool with patients and healthcare providers.

A prospective study of 600 patients with severe aortic stenosis (AS) and symptoms who underwent TAVI at the Haukeland university hospital, Bergen, Norway.

Aortic valve stenosis (AVS) is the most frequent valvular disease. The severity of the obstruction of the left ventricle (LV) is essentially analyzed today by echocardiography Doppler, which assesses two key markers that are aortic valve pressure gradient and the aortic valve area. however these marker are a poor reflect of the clinical severity of AVS. The aim of the study is to validate new markers assessing cardiac fibrosis that might best or complementary markers.

We sought to determine whether the dual-source computed tomography assessment of aortic valve stenosis and coronary artery disease is equivalent to or even better than conventional invasive coronary angiography and transthoracic echocardiography.

A structured and supervised, 3-month physical activity intervention in patients after aortic valve replacement due to severe stenosis, accompanied by examination of cardiac size and function, exercise capacity and endothelial function before, three and six months after operation; comparison with a non-intervention control group.

This study is designed to learn more about children who have blockage of the left side of their heart. The goal is to determine how much the heart muscle has thickened before surgery and how it changes in the months after surgery. Investigators are also looking for blood tests that may help them predict which patients will have the most thickening pre-operatively and the best return towards normal after surgery. The findings of this study will help the investigators develop new tests to monitor affected patients and develop new therapies to help minimize heart thickening.