Active clinical trials for "Heart Diseases"

The objective of this work is to investigate and then to sequence new biomarkers in the plasma of patients presenting with dyspnea secondary or not to heart failure, and study their diagnostic and prognostic value.

This study is an epidemiological observational cross-sectional study designed to estimate the prevalence of echocardiographically confirmed RHD in school children from 5-14 years of age in Fiji. The study will be conducted in the Central Division of Fiji within a selection of up to16 primary schools located in the Korovou/Tailevu and Rewa/Nausori sub-divisions. School children will be enrolled after informed consent has been obtained. A standard cardiac examination (auscultation) will be performed as part of the routine annual health check by both school nurses, who have attended a training workshop, and by a paediatrician. All children with or without murmur will have a screening echocardiogram performed at a subsequent visit. Children found to have possible, probable or definite RHD or other cardiac pathology on the screening echocardiogram, will have a full echocardiogram performed by the echocardiography technician at the time of the second study visit. They will all also be referred to a paediatric cardiologist for further investigation and management and monitoring . Cases of RHD will be referred to and followed up by the National Fiji RHD register based at CWMH in Suva.

Sleep-disordered breathing has a prevalence of 30~80% in patients with heart diseases. Various studies have revealed a correlation between the incidence and various diseases such as heart failure, hypertension, diabetes, and cerebral infarction. Postoperative acute kidney injury after heart surgery is one of the major complications with incidence with 40~50%, however, there has been no preventive method or treatment yet. Recently, several studies have been published that have shown a correlation between sleep-disordered breathing and renal impairment. In general, sleep-disordered breathing can be regulated easily with continues positive expiratory pressure, which means that early diagnosis and treatment of sleep-disordered breathing might help to reduce the incidence of postoperative acute kidney injury and improve patients' prognosis. In this study, the investigators investigate the impact of sleep-disordered breathing (diagnosed by oxygen desaturation index ≥5) on the incidence of postoperative acute kidney injury in patients undergoing valvular heart surgery.

This is a non-randomized, un-blinded study to evaluate Caption Health guidance software in patients in the medical surgery step-down unit. Patients will be scanned by a trained hospitalist and up to 4 standard views will be obtained per participant: PLAX, PSAX-PM, AP4 and SubC4. Observations will be made regarding human factors and performance of the device.

The study to be performed aims to design and develope an automated Intelligent Decision Support System for fetal echocardiography that can significantly assist the obstetric physician in the improvement of detection of fetal congenital heart disease compared to the common standard of care.

Our study is about to follow adult congenital patients, known with systemic right ventricle (mostly correct transposition of the great arteries ou congenitally corrected transposition fo the great arteries) and systemic valve severe regurgitation which was treated with a Mitraclip device on this tricuspid valve. It's an observationnal study with a 2 years follow up with clinical (symptoms, complications, VO2 exercice test) echographic and MRI outcomes .

This study is to see if the zero-heat-flux (ZHF) thermometry monitoring in cardiac surgery with moderate hypothermic cardiopulmonary bypass differs from Temp-NP, which reflects central body temperature 30 minutes after the end of the cardiac surgery.

Currently there is an increase in the use of bioprosthesis worldwide (> 70% according to national data of the Spanish Society of Thoracic and Cardiovascular Surgery). There is conflicting evidence regarding the long-term survival of patients aged 50-65 years with mechanical (M) or biological (B) aortic prostheses. General consensus of greater complications associated with the use of long-life anticoagulation in M and of reoperation in B. Similar survival with lower MACCE complications in bioprosthesis could reconsider their choice in patients aged 50-65 years, specially in the current TAVI era. The investigators are going to perform a multicentric retrospective observational study (Registry) about 15 year-outcomes Following Bioprosthetic vs Mechanical Isolated Aortic Valve Replacement for Aortic Stenosis in Patients Aged 50 to 65 Years in 30 Cardiovascular Surgery Centers in Spain

This study intends to establish an automatic system for screening on children with congenital heart disease, the system include the auscultation of cardiac murmur and the test of oxygen saturation, the data was analyzed based on the cloud computing.

This is a retrospective study. The investigators shall review the angiography data of 1200 consecutive cardiac catheterizations of children and babies with CHD (Congenital Heart Disease) since 1998 till now. Coronary artery origin and course will be evaluated in relation to the morphologic cardiac anomalies. Coronary artery anomalies will be described and statistical analysis will be performed.