Assessing the heart’s function right before decannulation using the surgeon’s eye

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study compares the cardiovascular surgeon’s visual assessment of left ventricular function before decannulation after cardiopulmonary bypass with the transesophageal echocardiography (TEE) reference standard. The goal is to determine the diagnostic performance of eyeballing LV function in the operating room. Eligible adults undergoing elective cardiac surgery with CPB are included, and intraoperative LV function is assessed visually and then compared to TEE findings. The study aims to clarify whether rapid visual assessment can reliably guide immediate management decisions. TEE remains the reference standard, but visual estimates may offer a faster, bedside appraisal when time is critical.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Age between 18 and 75 years
* Scheduled for elective cardiac surgery requiring cardiopulmonary bypass (CABG, valve surgery, or aortic surgery)
* ASA physical status III-IV
* Able and willing to provide written informed consent
* Suitable for intraoperative transesophageal echocardiography (TEE)

Exclusion Criteria:

* Emergency surgery
* Known severe preoperative left ventricular dysfunction (EF \< 30%)
* Significant arrhythmias (e.g., atrial fibrillation)
* Preoperative requirement for mechanical circulatory support (e.g., IABP)
* Contraindications to TEE (esophageal pathology, bleeding risk, strictures)
* Inability to provide informed consent

Where it's running

• Ataturk University
  Erzurum, Turkey (Türkiye) Recruiting

Study contacts

• Principal investigator: Muhammed Enes Aydın, Principal Investigator — Ataturk University Department of Anesthesiology and Reanimation
• Study coordinator: Muhammed Enes Aydin, Associate Professor
• Email: enesmd@msn.com
• Phone: +90-554-331-82-89

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.