View clinical trials related to Echocardiography.
Filter by:Background: Point-of-care ultrasound (POCUS) has been suggested as a useful tool in out-of-hospital cardiac arrest (OHCA) for diagnosis and treatment of reversible causes. However, in prehospital emergency medicine performing ultrasound and the translation of the findings can be challenging. As new prehospital ultrasound devices offer the possibility for remote supervision, the impact of tele-supervision on the performance of POCUS during OHCA is unclear. Aims: This prospective observational study aims to evaluate if POCUS with tele-supervision can be performed during CPR without any additional hands-off periods longer than 5 seconds. Methods: In total 30 patients with OHCA, where POCUS is considered, will be included in this study.
Clinical ultrasound has become essential in emergency medicine. The guidelines are to use of echocardiography in specific contexts: dyspnea, hypotension or chest pain. The evaluation of left ventricle ejection fraction (LVEF) is one of the basic objectives of echocardiography. The reference assessment in emergency medicine is visual assessment. It suffers from poor inter-observer reproducibility. Pocket ultrasound scanners seem to meet the constraints of point-of-care ultrasound. A new tool is available on a pocket ultrasound device: the automatic evaluation of LVEF. Its interest could be to have a better inter-observer reproducibility than visual evaluation.
Hypertrophic cardiomyopathy (HCM) is a frequent cardiac pathology with an estimated prevalence of 1/500 in France. The main risk factor for sudden death in this pathology is the presence and extent of left ventricular obstruction. To date, the only method allowing a reliable assessment of the extent of left ventricular obstruction is Doppler echocardiography. All patients with HCM should undergo cardiac magnetic resonance imaging (MRI) to confirm the diagnosis and for the detection of fibrosis, but conventional sequences cannot reliably assess the obstruction. 4D-flow MRI provides a complete coverage of an entire volume with the ability to simultaneously measure the outputs of all vessels within that volume in a single sequence and might be able to quantify left ventricular obstruction. The main objective of this study is to compare the quantification of left ventricular obstruction in hypertrophic cardiomyopathy by Doppler echocardiography and 4D flow MRI.
To investigate the influence of PEEP (Positive end-expiratory pressure), changes in preload (patient position) and changes in afterload (phenylephrine) on ultrasound measures of renal perfusion in patients after uncomplicated cardiac surgery. To investigate the effects of phenylephrine on both invasive measures of the systemic- and pulmonary circulation and, secondarily, to assess the induced changes in echocardiographic indices of left- and right ventricular systolic- and diastolic function.
Clinical ultrasound has become essential in emergency medicine. The guidelines are to use of echocardiography in specific contexts: dyspnea, hypotension or chest pain. The evaluation of left ventricle ejection fraction (LVEF) is one of the basic objectives of echocardiography. The reference assessment in emergency medicine is visual assessment. It suffers from poor inter-observer reproducibility. Pocket ultrasound scanners seem to meet the constraints of point-of-care ultrasound. A new tool is available on a pocket ultrasound device: the automatic evaluation of LVEF. Its interest could be to have a better inter-observer reproducibility than visual evaluation.
The cardiovascular effects of coronavirus disease 2019 (COVID-19) are not yet fully known. We conducted a prospective and dynamic echocardiographic study to investigate the cardiac structural and functional changes in COVID-19 patients in intensive care unit (ICU).
Objective: The study was conducted for the purpose of determining the effect of making children aged 5 to 12 years watch a cartoon about echocardiography (ECO) procedure before the procedure and kaleidoscope during the procedure on their anxiety. Material and Method: It is a randomized controlled study. The study was completed with a total of 164 children who came to have an ECO and met the sample selection criteria. There were four groups in the study which were as follows; the group that was made watch a cartoon about the procedure before the procedure, the group that was made watch a kaleidoscope during the procedure, the group that was made watch a cartoon about the procedure before the procedure and a kaleidoscope during the procedure and the control group in which routine applications of clinic were carried out. Results: At the end of the study, it was determined that anxiety scores of the cartoon group, cartoon+kaleidoscope group and the kaleidoscope group were lower during the procedure than before the procedure (p<0,001). In the control group, it was determined that there was no significant difference between the anxiety scores before and during the procedure (p>0,05).
The investigators would like to evaluate how well pre-clinical medical students are able to perform a basic transthoracic echocardiography examination on a healthy volunteer using a hand-held ultrasound (HHU) after completing a flipped classroom echocardiography training methods which consist of pre-training e-learning, hands-on training, and competency assessment after the hands-on training.
This study evaluates the cardiovascular effects of adding the ketone body 3-hydroxy butyrate (3-OHB) to whey protein during human endotoxemia. Further, this study compares cardiovascular changes during healthy and catabolic conditions. Participants will receive isocaloric, isonitrogenous beverages of either whey or 3-OHB+whey in a randomized crossover design during either healthy (overnight fast) or catabolic conditions (inflammation/endotoxemia + 36 h fast and bed rest).
The goal of this study is to measure the hypothetical minimal amount of time it takes to perform a single view bedside trans-thoracic echo (TTE) comparing sub-xyphoid view and the parasternal long view. Physicians will be timed from initiation of imaging to completion of the recording of a single view of the heart. Images will be rated for quality.