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The Allen test.

D G Cable1, C J Mullany, H V Schaff

  • 1Section of Cardiovascular Surgery, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.

The Annals of Thoracic Surgery
|April 24, 1999
PubMed
Summary
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Surgeons should assess hand circulation for radial artery bypass grafts. The historical Allen test is crucial for selecting suitable coronary artery revascularization candidates.

Area of Science:

  • Cardiovascular Surgery
  • Vascular Surgery
  • Surgical History

Background:

  • Renewed interest in radial artery bypass conduits for coronary artery revascularization.
  • Importance of assessing hand circulation for patient selection.
  • The Allen test as a key diagnostic method.

Discussion:

  • Review of the original description of the Allen test from 1929.
  • Evaluating the Allen test's contribution to surgical practice and heritage.
  • Ensuring adequate collateral circulation before radial artery harvesting.

Key Insights:

  • The Allen test remains a vital tool for pre-operative assessment.
  • Proper patient selection is paramount for successful radial artery grafting.
  • Understanding the historical context of surgical techniques enhances current practice.

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Outlook:

  • Continued relevance of the Allen test in modern cardiac surgery.
  • Potential for refining Allen test protocols for improved accuracy.
  • Integrating historical knowledge with contemporary surgical decision-making.