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[Gelatin for volume replacement in hemodilution: hemodynamic study]

S Falchi1, C Caresia, M Linden

  • 1Istituto di Anestesiologia e Rianimazione, Università degli Studi, Firenze.

Minerva Anestesiologica
|July 1, 1995
PubMed
Summary

Gelatine infusion effectively stabilized hemodynamic parameters during intentional hemodilution in major surgery patients. This volume replacement strategy maintained stable oxygen transport and consumption, proving gelatine

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Area of Science:

  • Anesthesiology and Perioperative Medicine
  • Cardiovascular Physiology
  • Surgical Hemodynamics

Background:

  • Intentional hemodilution is a technique used to reduce blood loss during surgery.
  • Effective volume replacement is crucial for maintaining hemodynamic stability during hemodilution.
  • Gelatine solutions are commonly used as plasma volume expanders.

Purpose of the Study:

  • To assess the efficacy of gelatine infusion in stabilizing hemodynamic parameters during normovolemic intentional hemodilution.
  • To evaluate the impact of gelatine-based volume replacement on oxygen transport and consumption.

Main Methods:

  • Randomized prospective study conducted in a general surgery operating theatre.
  • Inclusion of ASA 1 and 2 patients (<70 years) undergoing major abdominal surgery with baseline hematocrit >30% and no cardiac or coagulation issues.

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  • Hemodynamic monitoring via pulmonary artery catheter, with blood loss replaced by gelatine and crystalloid (1:1 ratio).

    • Main Results:

    • Key hemodynamic parameters, including oxygen transport (DO2), oxygen consumption (VO2), and heart rate (HR), were measured.
    • No statistically significant variations in DO2, VO2, and HR were observed between baseline (Hct 35) and peak hemodilution (Hct 28).
    • Gelatine infusion demonstrated its ability to maintain hemodynamic stability throughout the procedure.

    Conclusions:

    • Gelatine is an effective volume replacement solution for moderate, intentional hemodilution.
    • The study supports the use of gelatine in maintaining stable hemodynamic function during surgical procedures involving hemodilution.