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Crystalloid infusion increases plasma hyaluronan

S Berg1, A Engman, J F Hesselvik

  • 1Department of Anesthesiology, University Hospital, Linköping, Sweden.

Critical Care Medicine
|October 1, 1994
PubMed
Summary
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Intravenous infusion of crystalloid solution significantly increased plasma hyaluronan concentrations in healthy subjects. This suggests a potential washout of interstitial hyaluronan, though its functional impact remains unclear.

Area of Science:

  • Biochemistry and Physiology
  • Fluid Resuscitation Studies

Background:

  • Hyaluronan (HA) is a key component of the interstitial matrix.
  • Changes in plasma HA may reflect alterations in interstitial fluid dynamics.
  • Understanding HA dynamics is crucial for assessing fluid therapy effects.

Purpose of the Study:

  • To quantify changes in plasma hyaluronan concentrations following intravenous crystalloid infusion.
  • To investigate the relationship between crystalloid administration and HA levels in healthy individuals.

Main Methods:

  • A crossover, controlled study involving 12 healthy medical students.
  • Intravenous infusion of 1000 mL Ringer's acetate solution over 40 minutes.
  • Plasma hyaluronan levels measured pre-infusion, during, and post-infusion, with a control period.

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Main Results:

  • Plasma hyaluronan concentrations significantly increased during and after crystalloid infusion (p < .001).
  • Peak HA levels were observed 10 minutes post-infusion.
  • No significant changes in plasma HA occurred during the control period.

Conclusions:

  • Intravenous crystalloid infusion elevates plasma hyaluronan levels in healthy subjects.
  • This increase is likely due to a washout of interstitial hyaluronan via enhanced lymph flow.
  • The clinical implications of interstitial hyaluronan loss on tissue function require further investigation.