View clinical trials related to Right Ventricle.
Filter by:RV longitudinal shortening fraction (RV-SLF) is based on the analysis of the tricuspid annulus displacement (TAD) and can be performed in transthoracic (TTE) or transoesophageal echocardiography (TEE). Having an 2D-STE interchangeable parameter would allow accurate measurement of RV systolic function before, during and after cardiac surgery. However, to date, there are no data on the interchangeability of RV-LSF measurements performed in TTE and TEE. The aim of the study is to evaluate the interchangeability of TTE and TEE measurements of RV-LSF during cardiopulmonary bypass surgery.
Acute cor pulmonale is one of deadly complications of mechanically ventilated acute respiratory distress syndrome (ARDS), which can lead to right ventricular dysfunction and worsen the hemodynamics of the patient. For several years, transthoracic (TTE) and transesophageal echocardiography (TEE) have replaced the pulmonary artery catheter to monitor cardiac function reliably and non-invasively. Speckle tracking is an echocardiographic technique that allows a two-dimensional strain (2D) analysis of right ventricular systolic function. Right ventricular global strain (RVGLS) is a strain parameter, allowing an early and more accurate diagnosis of right ventricular dysfunction than conventional parameters. This project will consist of performing TTE and TEE measurements at H0, 30min, H1, H2, and H24 after iNO administration in patient with ARDS under mechanical ventilation. The patient will be declared responder to iNO, if there is an increase of more than 20% of the PaO2/FiO2. 30 minutes after a dose of 10ppm of iNO.
In postoperative thoracic surgery (lobe resection, pneumonectomy or wedge resection), cardiovascular complications are the most frequent (10 to 15%) with a significant morbi-mortality rate. Right ventricular (RV) dysfunction is a complication that can be multifactorial in post thoracic surgery. The RV longitudinal shortening fraction (RV-LSF) is a new 2D-STE parameters able to more accurately detect patients with RV dysfunction compared to conventional echocardiographic parameters. This project is a single-center, prospective, interventional study of patients hospitalized at the Amiens University Hospital for scheduled thoracic surgery. TTE is performed preoperatively, at day 2 and day 15 following the thoracic surgery. Echocardiographic parameters will be measured by an echocardiographic expert in offline with a dedicated software. MACE criteria will be collected at day 2, day 15 and day-30 following the thoracic surgery.
The purpose of this study is to determine if the Medtronic Freestyle porcine valve is effective over a long period of time when it is used to replace the valve that normally allows blood to flow from the right lower pumping chamber of the heart to the lungs.