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Randomized Controlled Trial
. 2022 Jan;47(1):60-61.
doi: 10.1136/rapm-2021-102931. Epub 2021 Aug 2.

Percutaneous cryoneurolysis of the lateral femoral cutaneous nerve for analgesia following skin grafting: a randomized, controlled pilot study

John J Finneran Iv  1 , Adam N Schaar  2 , Matthew W Swisher  2 , Laura N Godat  3 , Jeanne G Lee  3 , Sara M Higginson  3 , Brian M Ilfeld  2
Affiliations
Randomized Controlled Trial

Percutaneous cryoneurolysis of the lateral femoral cutaneous nerve for analgesia following skin grafting: a randomized, controlled pilot study

John J Finneran Iv et al. Reg Anesth Pain Med. 2022 Jan.
No abstract available

Keywords: acute pain; lower extremity; nerve block; pain; postoperative; regional anesthesia.

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Conflict of interest statement

Competing interests: Drs. Finneran, Swisher, and Ilfeld: The University of California has received funding and product for other research projects from cryoneurolysis manufacturer Epimed (Farmers Branch, TX); infusion pump manufacturer InfuTronix (Natick, MA); and a manufacturer of a peripheral nerve stimulation device, SPR Therapeutics (Cleveland, OH). Drs. Godat, Higginson, and Lee; and Mr. Schaar: no additional conflicts.

Figures

Figure 1
Figure 1
(A) The lateral femoral cutaneous nerve is identified using ultrasound in the intermuscular plane between the sartorius and tensor fasciae latae muscles. (B) The lateral femoral cutaneous nerve (yellow) and sartorius and tensor fasciae latae muscles (red) are labeled. (C) Ultrasound is used to visualize the ice ball completely enveloping the lateral femoral cutaneous nerve, which can no longer be distinguished in the frozen tissue. (D) The sartorius muscle, cryoneurolysis probe, and ice ball are labeled.
Figure 2
Figure 2
Graft sites straying outside the block distribution may result in pain not covered by the local anesthetic nerve block or cryoneurolysis.
See this image and copyright information in PMC

References

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    1. Ilfeld BM, Finneran JJ. Cryoneurolysis and percutaneous peripheral nerve stimulation to treat acute pain. Anesthesiology 2020;133:1127–49. 10.1097/ALN.0000000000003532 - DOI - PubMed

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