Using the Superior Vena Cava Collapsibility Index to Predict Fluid Needs During High-risk Surgery

Predicting Fluid REsponsiveness Using Superior Vena Cava Collapsibility IndEx duriNg High-risk Non-Cardiac surgEry (PRESCIENCE)

Not applicable Interventional Uniwersytecki Szpital Kliniczny w Opolu · NCT06188039

This study is testing if a new method for measuring blood vessel changes can help doctors better decide how much fluid patients need during high-risk surgeries to avoid complications.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment150 (estimated)
Ages18 Years and up
SexAll
SponsorUniwersytecki Szpital Kliniczny w Opolu Academic / other
Locations1 site (Opole)
Trial IDNCT06188039 on ClinicalTrials.gov

What this trial studies

This prospective study aims to validate the superior vena cava collapsibility index (SVC-CI) as a reliable predictor of fluid responsiveness in patients undergoing high-risk non-cardiac surgeries, such as laparotomy and open aortic surgery. The study will assess the SVC-CI using transesophageal echocardiography and will include three arms to evaluate its effectiveness under various surgical conditions, including elevated PEEP levels and aortic cross clamping. By improving the accuracy of fluid management during surgery, the study seeks to reduce postoperative complications and mortality rates.

Who should consider this trial

Good fit: Ideal candidates for this study are adults over 18 years old undergoing high-risk non-cardiac surgeries, specifically open aortic surgery or laparotomy.

Not a fit: Patients with conditions that increase the risk of harm from fluid overload, such as end-stage renal disease or decompensated heart failure, may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to more effective fluid management during high-risk surgeries, potentially decreasing postoperative complications and mortality.

How similar studies have performed: While the use of SVC-CI is a novel approach in this context, similar studies have shown promise in improving fluid management during surgeries.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Signed ICF (informed consent form)
* Age \> 18 years old Eligibility criteria for each arm (additionally to mandatory criteria)
* Arm 1 - Patients undergoing open aortic surgery
* Arm 2 - Patients undergoing laparotomy
* Arm 3 - Patients undergoing laparotomy with sinus rhytm

Exclusion Criteria:

1. Patients who are deemed to be at risk of harm due to excessive fluid administration:

   * End-stage renal disease (eGFR \<15ml/kg/min)
   * Decompensated heart failure
   * Respiratory failure prior to surgery
   * Other cases where the risk of harm from fluid overload is assessed to be significant by the investigator
2. Medical contraindication to the use of transesophageal echocardiography:

   * Active ulcerative gastritis or bleeding from upper gastrointestinal tract
   * Past history of esophageal or gastric surgery
   * Esophageal varices or other esophageal disease (stricture, Barret's disease, perforation in the past, achalasia)

Where this trial is running

Opole

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions SurgeryFluid ResponsivenessTransesophageal EchocardiographyFluid responsivenessnon-cardiac surgerySuperior vena cava collapsibility indexechocardiography
Last reviewed 2026-06-09 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.