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MRSA infected pseudoaneurysms of the radial artery

G Stansby1, J Smout, R Chalmers

  • 1Northern Vascular Institute, Freeman Hospital, Newcastle-Upon-Tyne, NE7 7DN, UK.

The Surgeon : Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
|December 3, 2004
PubMed

Insights

Radial artery catheters, while common for monitoring, can lead to infection and pseudoaneurysms, particularly with methicillin-resistant Staphylococcus aureus (MRSA). Vigilance and aseptic techniques are crucial to prevent this complication.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • Radial artery catheterization is standard for hemodynamic monitoring in intensive care.
  • Complications include local infection and pseudoaneurysm formation.
  • Methicillin-resistant Staphylococcus aureus (MRSA) poses a growing threat in hospital settings.

Observation:

  • Three cases of pseudoaneurysm formation after prolonged radial catheter use are presented.
  • Evidence of local MRSA infection was found in all cases.
  • Pseudoaneurysms were successfully treated with radial artery ligation.

Findings:

  • Prolonged radial catheterization can lead to MRSA infection and pseudoaneurysm.
  • Early detection and intervention are key to successful management.
  • Allen's test confirmed adequate collateral circulation before surgical treatment.

Implications:

  • Highlights the importance of meticulous aseptic technique during radial catheterization.
  • Emphasizes the need for increased vigilance for MRSA-related complications.
  • Demonstrates the efficacy of radial artery ligation for treating pseudoaneurysms without ischemic events.

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