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Related Experiment Videos

Release of granulocyte elastase and complement changes during hysterectomy.

M Wanscher1, F Knudsen, S Antonsen

  • 1Department of Anaesthesia, Odense University Hospital, Denmark.

Scandinavian Journal of Clinical and Laboratory Investigation
|May 1, 1989
PubMed
Summary
This summary is machine-generated.

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Surgical trauma, not major vascular procedures, triggers granulocyte elastase release. This response, indicated by elevated elastase-alpha-1 PI, is part of the body's stress reaction.

Area of Science:

  • Biochemistry
  • Immunology
  • Surgical Physiology

Background:

  • Complement activation and granulocyte elastase release are known responses to major vascular surgery, often linked to foreign surfaces or blood products.
  • The specific impact of uncomplicated general anesthesia and surgery on these markers, independent of blood/plasma administration, requires further investigation.

Purpose of the Study:

  • To assess the effect of uncomplicated general anesthesia and surgery on complement activation (C3d) and proteinase release (elastase-alpha-1 PI).
  • To determine if surgical trauma alone, without major vascular complications, elicits a response in these biomarkers.

Main Methods:

  • Nine patients undergoing elective hysterectomy were studied.
  • Plasma levels of C3d and elastase-alpha-1 PI were measured during anesthesia, surgery, and the post-operative period.

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Main Results:

  • Plasma C3d showed a minor decrease due to intravenous fluid dilution.
  • Elastase-alpha-1 PI levels remained stable until the first post-operative day, then significantly increased (p < 0.05) and remained elevated for three days.

Conclusions:

  • Release of granulocyte elastase appears to be a generalized response to surgical trauma.
  • This elastase release may be an integral component of the endocrine-metabolic stress response to surgery.