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Related Experiment Videos

Splenic artery stump back pressure.

J P Archie1

  • 1Wake Medical Center, Raleigh, North Carolina.

The American Surgeon
|August 11, 1992
PubMed
Summary
This summary is machine-generated.

This study measured splenic artery collateral hemodynamics in patients with splenic artery bypass. Results establish a normal range for collateral splenic perfusion pressure, aiding clinical decisions in splenic artery surgeries.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Hemodynamics

Background:

  • Splenic artery collateral circulation is crucial for maintaining splenic viability.
  • Assessing collateral perfusion pressure is vital during procedures involving splenic artery manipulation.
  • Limited data exists on normal collateral splenic perfusion pressure ranges.

Purpose of the Study:

  • To measure splenic arterial collateral hemodynamics during splenic artery occlusion.
  • To establish a normal range for collateral splenic perfusion pressure.
  • To provide data for clinical decision-making in splenic artery surgery.

Main Methods:

  • Hemodynamic measurements were performed in 15 patients undergoing splenic to left renal artery bypass.
  • Splenic artery stump back pressure and collateral splenic perfusion pressure were recorded during proximal splenic artery clamping.

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  • Data analysis included calculating mean and lowest pressure values.

    • Main Results:

    • Mean splenic artery stump back pressure was 48.0 +/- 9.8 mmHg.
    • Mean collateral splenic perfusion pressure was 34.3 +/- 9.4 mmHg.
    • Lowest recorded back pressure was 39 mmHg, and lowest perfusion pressure was 30 mmHg.

    Conclusions:

    • The study successfully established a normal range for collateral splenic perfusion pressure.
    • These findings can guide surgeons in evaluating splenic circulation adequacy during complex splenic artery procedures.
    • No spleen complications were observed, suggesting the established pressure ranges are safe.