Clinical trial Recruiting at 1 site Observational Ages 18 to 80

Atrial dyssynchrony to predict arrhythmias after cardiovascular surgery

Official title: Atrial Electromechanical Alteration as a Predictor of Arrhythmias in the Postoperative Period After Cardiovascular Surgery

Run by School of Medicine. National University of Cuyo · NCT07388108 · Data updated 2026-11-12

We will try to see if echocardiogram measurements of atrial dyssynchrony can predict which patients having non-mitral cardiovascular surgery will develop atrial fibrillation after surgery.

Quick facts

Study typeObservational
Ages18 Years to 80 Years
SexAll
Enrollment138 (estimated)
SponsorSchool of Medicine. National University of Cuyo
Academic / other
Locations1 site (Mendoza, Mendozz)
StatusRecruiting
StartedFebruary 6, 2026
Main results expectedDecember 31, 2028
Study endsDecember 31, 2028
Registry record updatedFebruary 10, 2026
Trial IDNCT07388108 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults in sinus rhythm scheduled for planned non-mitral cardiovascular surgery who can undergo a high-quality preoperative echocardiogram and agree to inpatient follow-up.

Probably not a fit

Patients with prior atrial fibrillation, undergoing mitral or tricuspid valve procedures, with congenital heart disease or cardiac tumors, having emergency surgery, or with poor echocardiographic windows are unlikely to benefit from this protocol.

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

What this trial studies

Patients scheduled for non-mitral cardiovascular surgery who are in sinus rhythm will have a preoperative Doppler echocardiogram with two-dimensional speckle-tracking atrial strain and, when possible, 3D left atrial ejection fraction measurement. Images are obtained in left lateral decubitus with 3 consecutive beats recorded in forced expiration using a Philips EPIC CVx system and analyzed in 2- and 4-chamber views to quantify intra- and inter-atrial dyssynchrony, indexed left atrial volume, and left ventricular ejection fraction by Simpson biplane. Participants are followed during the postoperative hospital stay to record occurrences of atrial fibrillation. The protocol excludes patients with prior atrial fibrillation, mitral or tricuspid valve surgery, congenital heart disease or cardiac tumors, emergency cardiac surgery, or an inadequate echocardiographic window.

Why it matters

Potential benefit: If successful, this approach could identify patients at higher risk for postoperative atrial fibrillation so clinicians can target monitoring or preventive measures to reduce complications.

How similar studies have gone: Previous observational work using atrial strain and dyssynchrony measures has shown promise for predicting postoperative atrial fibrillation, but results are heterogeneous and need larger validation.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with criteria for non-mitral cardiovascular surgery, in sinus rhythm, and who gave informed consent to participate in the study.
* Absence of atrial fibrillation upon hospital admission for surgery.

Exclusion Criteria:

* Surgery of the mitral or tricuspid valve.
* History of previous atrial fibrillation.
* History of congenital heart disease or cardiac tumors.
* Emergency surgery of the heart
* Pour echocardiographic window

Where it's running

  • Clínica de Cuyo
    Mendoza, Mendozz, Argentina
    Recruiting

Study contacts

Similar studies

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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.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.