Relationship Between Strain and Stroke Volume in Cardiac Surgery

  • STATUS
    Recruiting
  • End date
    Oct 31, 2021
  • participants needed
    50
  • sponsor
    Tufts Medical Center
Updated on 27 January 2021

Summary

Patients undergoing coronary artery bypass grafting up tp 30% will develop postoperative right ventricle dysfunction. Its imperative for the physician to fully understand the severity of this complication in order to perform an early diagnosis and carry out the appropriate treatment.

Aim

Investigate the correlation between echocardiographic measurements and hemodynamic changes at different time points in patients undergoing coronary artery bypass graft surgery

Hypothesis
  1. Weak correlation between echocardiographic measurements and hemodynamic changes during coronary artery bypass graft surgery
  2. Echocardiographic measurements would change across different time points during surgery independent of hemodynamic values.

Details
Condition RIGHT VENTRICULAR DYSFUNCTION, Stroke Volume Index, Longitudinal Heart Strain
Clinical Study IdentifierNCT04694378
SponsorTufts Medical Center
Last Modified on27 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 18 yrs?
Gender: Male or Female
Do you have any of these conditions: Stroke Volume Index or RIGHT VENTRICULAR DYSFUNCTION or Longitudinal Heart Strain?
Do you have any of these conditions: Longitudinal Heart Strain or RIGHT VENTRICULAR DYSFUNCTION or Stroke Volume Index?
Do you have any of these conditions: Longitudinal Heart Strain or RIGHT VENTRICULAR DYSFUNCTION or Stroke Volume Index?
Elective coronary artery bypass graft patients who require pulmonary catheter placement for intraoperative monitoring

Exclusion Criteria

Patients with contraindication to Swan-Ganz catheter placement
Pre-existing atrial arrhythmias
Patients with moderate and/or severe mitral/tricuspid valve stenosis or regurgitation
Patients with contraindication to transesophageal echocardiogram probe placement (i.e. esophageal stenosis)
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