Guidance of block needle insertion by electrical nerve stimulation: a pilot study of the resulting distribution of injected solution in dogs.

Anesthesiology
Marcel RigaudQuinn H Hogan

Abstract

Little is known regarding the final needle tip location when various intensities of nerve stimulation are used to guide block needle insertion. Therefore, in control and hyperglycemic dogs, the authors examined whether lower-intensity stimulation results in injection closer to the sciatic nerve than higher-threshold stimulation. During anesthesia, the sciatic nerve was approached with an insulated nerve block needle emitting either 1 mA (high-current group, n = 9) or 0.5 mA (low-current group, n = 9 in control dogs and n = 6 in hyperglycemic dogs). After positioning to obtain a distal motor response, the lowest current producing a response was identified, and ink (0.5 ml) was injected. Frozen sections of the tissue revealed whether the ink was in contact with the epineurium of the nerve, distant to it, or within it. In control dogs, the patterns of distribution using high-threshold (final current 0.99 +/- 0.03 mA, mean +/- SD) and low-threshold (final current 0.33 +/- 0.08 mA) stimulation equally showed ink that was in contact with the epineurium or distant to it. One needle placement in the high-threshold group resulted in intraneural injection. In hyperglycemic dogs, all needle insertions used a low-threshold technique (n = 6...Continue Reading

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Citations

Sep 11, 2010·Der Anaesthesist·J Büttner
May 8, 2009·British Journal of Anaesthesia·X Sala BlanchJ Valls-Solé
Nov 19, 2009·Regional Anesthesia and Pain Medicine·Brian A WilliamsSteven L Orebaugh
Nov 18, 2009·Regional Anesthesia and Pain Medicine·Michael J FredricksonAdam J Dalgleish
Sep 4, 2010·Regional Anesthesia and Pain Medicine·Steven L OrebaughPaul E Bigeleisen
Apr 15, 2011·Regional Anesthesia and Pain Medicine·Alan James Robert MacfarlaneRichard Brull
Oct 1, 2011·International Anesthesiology Clinics·Philipp LirkQuinn Hogan
Jun 24, 2011·International Anesthesiology Clinics·Jeffrey D Swenson, Jennifer J Davis
Jan 1, 2009·Local and Regional Anesthesia·Brian D Sites, John G Antonakakis
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Jun 25, 2009·Current Opinion in Anaesthesiology·Bernadette T Veering
May 22, 2010·Anesthesiology Clinics·Jeffrey D SwensonJennifer J Davis
Dec 17, 2009·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Hadley S BagshawGabriela S Seiler
Aug 18, 2010·Veterinary Anaesthesia and Analgesia·Yael ShiloErik R Wisner
Jul 5, 2012·Anesthesiology Research and Practice·José AguirreStephan Blumenthal
Mar 20, 2016·British Journal of Anaesthesia·S HeschlM Rigaud
Feb 24, 2012·Anesthesiology·Katherine KinghornSylvia Y Dolinski
May 23, 2009·Anesthesiology·Boris YanovskiJacques E Chelly
Jan 10, 2017·Anesthesia and Analgesia·Rakesh V Sondekoppam, Ban C H Tsui
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Oct 4, 2018·Journal of Orthopaedic Surgery·Murat Gulcek, Mehmet Gamli
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Jun 27, 2015·Regional Anesthesia and Pain Medicine·Sandra L KoppJames R Hebl
Jul 19, 2017·Current Opinion in Anaesthesiology·Werner Ten HoopePhilipp Lirk
Jan 12, 2021·Anaesthesia·N Levy, P Lirk

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