TITLE

Ultrasound-aided unilateral epidural block for single lower-extremity pain

AUTHOR(S)
YAMAUCHI, MASANORI; KAWAGUCHI, RYOICHI; SUGINO, SHIGEKAZU; YAMAKAGE, MICHIAKI; HONMA, EIJI; NAMIKI, AKIYOSHI
PUB. DATE
November 2009
SOURCE
Journal of Anesthesia;2009, Vol. 23 Issue 4, p605
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report an ultrasound-aided unilateral epidural block, employed in two patients, to provide better analgesia and motor function for lower-extremity pain. The patient in case 1 was a 72-year-old woman who suffered pain arising from Herpes zoster rash on the left leg (the second lumbar nerve area). A left-dominant continuous unilateral epidural block was performed to reduce her pain. After confirming the L2/3 epidural space and needle direction using ultrasound imaging, epidural cannulation was performed. Continuous infusion of 4 ml·h−1 of 1% lidocaine through the epidural catheter eliminated the herpetic pain in the left leg, maintaining motor function and normal sensation in her right leg. The patient in case 2 was a 35-year-old man whose complaint was postoperative pain in his left knee during passive movement. Dependent-side (left-side) dominant ultrasound-aided continuous unilateral epidural block, the same procedure as that used in case 1, was performed at the L3/4 intervertebral space. His left knee pain was clearly reduced, with partial paralysis, but motor function in his right leg was completely normal during the continuous epidural block with 4 ml·h−1 of 0.2% ropivacaine. Ultrasound imaging around the epidural space facilitated effective unilateral epidural block for single lower-extremity pain in both patients. This technique could decrease possible side effects and improve patient satisfaction during continuous nerve block by maintaining motor function and sensation in the nondependent side.
ACCESSION #
45234546

 

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