Evaluation of the left atrium during stress echocardiography for the diagnosis of Ischemic Heart Disease
Recruiting
- Conditions
- Myocardial Ischemia
- Registration Number
- RBR-33nfry3
- Lead Sponsor
- Complexo Hospital de Clínicas da Universidade Federal do Paraná
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- Not specified
Inclusion Criteria
Patients undergoing stress echocardiography for assessing Myocardial Ischemia due to chest pain or dyspnea; both genders; age between 18-80 years old; Left ventricular ejection fraction greater than 50%
Exclusion Criteria
Patient refusal; limitations for assessing left ventricular function by echocardiography; left ventricular ejection fraction less then 50%; prosthetic valves or valve disease graded as moderate or severe; atrial fibrillation; allergy or abnormal reaction to dobutamine; exclusion criteria for the use of atropine during dobutamine stress echocardiography are glaucoma and obstructive prostatic disease, in which case only dobutamine is used as a pharmacological stressor
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Evaluate the accuracy of left atrial longitudinal strain for detection of myocardial ischemia;Evaluate the accuracy of left atrial longitudinal strain for detection of myocardial ischemia
- Secondary Outcome Measures
Name Time Method Evaluate the distribution of left atrial longitudinal strain values ??at rest and after stress (pharmacological with dobutamine/atropine) in patients of low, moderate and high cardiovascular risk.;Evaluate the correlation of left atrial longitudinal strain with the pretest probability of coronary artery disease;Evaluate the distribution of left atrial longitudinal strain values ??at rest and after stress (pharmacological with dobutamine/atropine) in patients of low, moderate and high cardiovascular risk.;Evaluate the correlation of left atrial longitudinal strain with the pretest probability of coronary artery disease