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Reg Anesth Pain Med · Jan 2018
Ultrasound Detection of Arteria Comitans: A Novel Technique to Locate the Sciatic Nerve.
- Hesham Elsharkawy, Babak Kateby Kashy, Rovnat Babazade, and Andrew T Gray.
- Reg Anesth Pain Med. 2018 Jan 1; 43 (1): 57-61.
AbstractIn the gluteal and thigh region, the arteria comitans accompanies the sciatic nerve for a short distance, then penetrates the nerve and runs to the lower part of the thigh. There is no study that recognizes this artery as a guide to the location of the sciatic nerve. In this report, we describe a series of 6 knee arthroplasty patients in whom ultrasound-guided sciatic nerve block was successfully performed using color Doppler and pulsed wave Doppler to visualize the arteria comitans as a guide to the location of the sciatic nerve. We have found that detecting the arteria comitans as a landmark is novel and may offer an additional tool with the existing methods for sciatic nerve block.
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