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Comparing Cardiac Chamber Measurements: TTE vs. TEE Under Anesthesia

Recruitingn/aAges 18 Years - anyAllSunnybrook Health Sciences Centre
NCT06715371 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study aims to compare two common ultrasound techniques used during heart surgery: transthoracic echocardiography (TTE) and transesophageal echocardiography (TEE). TTE is performed by placing an ultrasound probe on the chest, while TEE involves inserting a probe into the esophagus, which provides closer and clearer images of the heart. Both methods are part of routine care for patients undergoing heart surgery. The goal of this study is to assess how well the measurements from TTE and TEE agree in evaluating heart chamber dimensions during surgery and to investigate how factors such as anesthesia, breathing techniques affect these measurements. This research involves 114 adult patients scheduled for heart surgery at Sunnybrook Health Sciences Centre. Participants will have TTE performed before and after surgery, and TEE will be conducted during surgery. All procedures are part of t

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age ≥ 18, able to provide informed consent. * Patients scheduled for coronary revascularization cardiac surgery under general anesthesia. * With normal left ventricular (LV) systolic function, defined by an ejection fraction of 50% or more, and normal right ventricular (RV) systolic function. * Requiring intraoperative echocardiographic assessment. Exclusion Criteria: * Patients with contraindications to either transthoracic echocardiography (TTE) or transesophageal echocardiography (TEE). * History of poor-quality echocardiography data that preclude accurate assessment. * Undergoing emergency cardiac surgery.
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What it tests

  • Transthoracic Echocardiography (TTE) and Transesophageal Echocardiography (TEE)
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Where

1 site
Sunnybrook Health Sciences Centre
Toronto, Canada
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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