Visualization of the course of the sciatic nerve in adult volunteers by ultrasonography.

  • Bruhn, J.
  • Geffen, G.J. van
  • Gielen, M.J.M.
  • Scheffer, G.J.
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Publication date
January 2008
Publisher
Wiley

Abstract

BACKGROUND: The sciatic nerve block by the posterior approaches represents one of the more difficult ultrasound-guided nerve blocks. Our clinical experiences with these blocks indicated a point slightly distal to the subgluteal fold as an advantageous position to allow good ultrasonic visibility. In this study, we systematically scanned the sciatic nerve from the subgluteal fold to the popliteal crease, to determine an optimal point for ultrasonographic visualization. METHODS: After institutional approval and written informed consent, we recruited 15 volunteers to visualize the sciatic nerve from the subgluteal fold to the popliteal crease using a linear ultrasound probe in the range of 7-13 MHz. The ultrasonographic visibility of the sciat...

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