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Skin Blood Flow After Axillary Brachial Plexus Block: Use of Laser Doppler Flowmetry
  1. Jordan Katz, MD
  1. From the Department of Anesthesiology, University of California, San Diego, San Diego, California

Abstract

Laser doppler flowmetry was used to measure the effects of axillary brachial plexus block on skin blood flow. The principles of the laser doppler are presented. Results indicated that blood flow in the blocked extremity (as well as temperature) increased significantly, whereas blood flow in the unblocked extremity (as well as temperature) declined significantly. The ease of obtaining these measurements should encourage investigators to apply the laser doppler apparatus for future similar studies.

  • Anesthesia
  • brachial plexus block
  • Technique
  • laser doppler flowmetry
  • Blood flow

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Footnotes

  • Address reprint requests to Dr. Katz: Anesthesiology Service (125), Veterans Administration Medical Center, 3350 LaJolla Village Drive, San Diego, CA 92161.

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