Actively Recruiting

Age: 18Years +
All Genders
ID07390903

Global Longitudinal Strain as a Predictor of Difficult Separation From Cardiopulmonary Bypass in Adults Undergoing Elective Cardiac Surgery

Led by Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital · Updated on 2026-02-05

213

Participants Needed

2

Research Sites

4 weeks

Total Duration

On this page

Sponsors

K

Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital

Lead Sponsor

U

University of Rome Tor Vergata

Collaborating Sponsor

AI-Summary

What this Trial Is About

Researchers are investigating whether global longitudinal strain (GLS), measured by echocardiography, can predict difficulties when separating from cardiopulmonary bypass (CPB) in adults undergoing planned heart surgery. The study aims to determine if preoperative GLS can forecast the need for multiple heart support drugs during CPB weaning and how GLS values relate to outcomes like ICU stay, hospital stay, heart-related lab results, and survival within 30 days. This observational study addresses a gap in understanding early heart function changes during surgery.

CONDITIONS

Brief Title

GLS in Difficult CPB Weaning

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age over 18 years
  • Scheduled for elective cardiac surgery requiring cardiopulmonary bypass (CPB)
  • Provided written informed consent to participate
  • Eligible surgeries include isolated mitral valve replacement or repair
  • Eligible surgeries include isolated aortic valve replacement or repair
  • Eligible surgeries include isolated coronary artery bypass grafting (CABG)
  • Eligible surgeries include combined valve and CABG surgery
  • Eligible surgeries include multiple valve replacement or repair
  • Eligible surgeries include surgery involving ascending aorta or aortic arch
Not Eligible

You will not qualify if you...

  • Emergency cardiac surgery
  • Redo cardiac surgery
  • Contraindications to transesophageal echocardiography (TEE)
  • Ongoing inotropic drug therapy
  • Preoperative mechanical circulatory support such as IABP, ECMO, or VAD
  • Requirement for mechanical ventilation before surgery
  • Preoperative atrial fibrillation

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Diagnostic Evaluation

Duration - Day of surgery

Participants undergo echocardiographic assessments to measure myocardial function using global longitudinal strain (GLS) before, during, and after cardiac surgery.

1 perioperative day with multiple echocardiography assessments

Long-term Monitoring

Duration - 30 days after surgery

Participants are monitored after surgery for postoperative outcomes including ICU and hospital length of stay, cardiac biomarker trajectories, and survival up to 30 days.

Follow-up visits as per standard postoperative care within 30 days

Trial Site Locations

Total: 2 locations

1

University of Rome Tor Vergata

Rome, Italy

Actively Recruiting

2

Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital

Istanbul, Turkey (Türkiye)

Actively Recruiting

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Research Team

M

Mustafa E Gurcu, MD

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

2

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Published Research Related To This Trial

Reduced Left Ventricular Global Longitudinal Strain Predicts Prolonged Hospitalization: A Cohort Analysis of Patients Having Aortic Valve Replacement Surgery.

Abraham Sonny, Andrej Alfirevic, Shiva Sale...

https://pubmed.ncbi.nlm.nih.gov/29200066

Difficult and complex separation from cardiopulmonary bypass in high-risk cardiac surgical patients: a multicenter study.

André Y Denault, Jean-Claude Tardif, C David Mazer...

https://pubmed.ncbi.nlm.nih.gov/22578975