Validation of Strain and Strain Rate: a comparison between transthoracic and transoesophageal echocardiography in patients undergoing coronary artery bypass grafting.
Recruiting
- Conditions
- Strain and strain rate10011082
- Registration Number
- NL-OMON50525
- Lead Sponsor
- anesthesiologie- onderzoeksbureau
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 40
Inclusion Criteria
a.patients older than 18 years
b. patients who can give informed consent
c. ejection fraction (EF) > 50%
d. patients undergoing OPCAB or CABG
Exclusion Criteria
a. patients who are unable to give consent
b. patients < 18 years
c. patients who are already part of another randomized study.
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Categorical data: sex, euroSCORE, ASA-score, comorbidity, educational status,<br /><br>smoking status, number of grafts, number of complications.<br /><br><br /><br>Echographic data: TTE and TOE strain and strain rate.<br /><br><br /><br>Data will be described as mean and standard deviation.</p><br>
- Secondary Outcome Measures
Name Time Method <p>Systolic myocardial function: Ejection fraction (2ch and 4ch), Fraction of<br /><br>shortening, Fraction of area change, Stroke volume, dP/dt, Mitral tissue<br /><br>doppler (systolic curve).<br /><br><br /><br>Diastolic myocardial function: Mitral wave (E/A ratio, E wave, A wave),<br /><br>Pulmonary wave (S/D, S wave, D wave, A wave), Mitral tissue doppler (diastolic<br /><br>curves).<br /><br><br /><br><br /><br>NIRS: myocardial tissue oxygenation values. </p><br>