Venous Congestion Clinical Trial
Official title:
Assessing Fluid Intolerance Using Portal Vein Pulsatility Index Post-Passive Leg Raising Test in Fluid Responders: A Prospective Cohort Study
This study uses the portal vein pulsatility index (PVPI) to assess fluid intolerance amongst fluid responders.
This prospective observational study aims to use the portal vein pulsatility index (PVPI) to assess fluid intolerance in fluid responders. The investigators will enroll mechanically ventilated postoperative adult patients within 6 hours of ICU admission after cardiac surgery. Patients will undergo a Passive Leg Raising (PLR) test and Left Ventricular Outflow Tract (LVOT) recording using transthoracic echocardiography. The main objective is to predict fluid intolerance after a fluid challenge of 7 ml/kg Ringer Lactate over 10 minutes in initially tolerant fluid responders. ;
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