Automated Inferior Vena Cava Collapsibility Index Fluid Responsiveness in Ventilated Patients After Cardiac Surgery.

  • STATUS
    Recruiting
  • End date
    May 31, 2023
  • participants needed
    50
  • sponsor
    Hamad Medical Corporation
Updated on 4 June 2022
bypass graft
urine output

Summary

Echocardiographic measurement of inferior vena cava (IVC) collapsibility index (CI) with automated software analyses has been introduced. This study aims to assess the accuracy of IVC-CI (caval index) measurements as well as the ability to track fluid responsiveness (FRes) over time comparing the automated echocardiographic method with the pulse pressure variation (PPV) technique and the manual echocardiographic method in cardiac surgery patients.

Description

It is expected to have insights about the concordance rate. The automated echocardiographic method of measuring CI method may or may not meet the criteria for interchangeability with the thermodilution technique or the manual echocardiographic method.

Details
Condition Hemodynamic Monitoring, ICU, Cardiac Surgery
Treatment Automated echocardiographic inferior vena cava measurement
Clinical Study IdentifierNCT05283590
SponsorHamad Medical Corporation
Last Modified on4 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

\. Age more than18 years old. 2. Cardiac surgical patients including (coronary artery bypass graft surgery, valvular surgeries, and aortic dissection surgeries) 3. Need for decision to administer IV fluids (hypotension that require assessment and possible fluid boluses defined as a systolic blood pressure less than 90mmHg. Normotensive patients who require fluid therapy with any other manifestation of low perfusion including tachycardia, low urine output, increased core-peripheral temperature gradient, serial increase in serum lactate, and serial increase in base deficit, and normotensive). The endpoint of fluid resuscitation is return normal blood pressure

Exclusion Criteria

Contraindication for fluid administration including acute pulmonary edema. 2. Moderate
or more tricuspid valve lesion or pulmonary hypertension (more 50 mmHg) where high central
venous pressure is expected 3. Patients on hemodialysis. 4. Patient on intra-aortic balloon
pump (IABP) or extracorporeal membrane oxygenation (ECMO) 5. Irregular cardiac rhythm
patients with atrial fibrillation or frequent ectopics are excluded
Patients with chest open 7. Poor echocardiography window (The images will be stored and
analyzed by senior physician within the ICU certified in echocardiography)
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