Effects of fluid infusion rates on blood circulation during surgery

The Impact of Intra-operative Fluid Infusion Rate on Hemodilution and Microcirculation Prospective Observational Pilot Study

NA · University Hospital Hradec Kralove · NCT05606536

This study tests how different rates of fluid given during surgery can improve blood flow and oxygen delivery to tissues for patients undergoing elective surgeries with little blood loss.

Quick facts

PhaseNA
Study typeInterventional
Enrollment80 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity Hospital Hradec Kralove (other)
Locations1 site (Hradec Králové)
Trial IDNCT05606536 on ClinicalTrials.gov

What this trial studies

This study investigates the impact of intraoperative fluid therapy on microcirculation during elective surgeries with minimal blood loss. It aims to optimize fluid infusion rates to enhance oxygen supply to tissues while minimizing hemodilution caused by endothelial glycocalyx damage. The research will analyze flow parameters in microcirculation based on different fluid infusion rates, providing insights into the optimal management of fluid therapy in surgical settings.

Who should consider this trial

Good fit: Ideal candidates include patients undergoing elective recumbent and laparoscopic surgeries with minimal expected blood loss.

Not a fit: Patients experiencing significant blood loss over 250 ml or those requiring hemodynamic support with noradrenaline will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved fluid management strategies during surgery, enhancing patient outcomes and recovery.

How similar studies have performed: While the approach of optimizing fluid therapy is established, the specific focus on microcirculation parameters related to infusion rates is relatively novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* elective recumbent and laparoscopic surgery
* informed consent

Exclusion Criteria:

* blood loss over 250 ml
* hemodynamic instability requiring noradrenaline infusion

Where this trial is running

Hradec Králové

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.

View on ClinicalTrials.gov →

Conditions: Fluid Therapy, Microcirculation, Hemodilution

Last reviewed 2026-05-15 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.