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Abstract
Recent reports of transient radicular irritation following intrathecal administration
of 5% lidocaine in 7.5% dextrose, a common drug choice in many obstetric centers,
have generated concern that its use for single injection spinal anesthesia can result
in transient neurologic toxicity. Accordingly, many have advocated dilution of this
anesthetic solution prior to subarachnoid administration. The present report describes
a case in which transient neurologic symptoms occurred following intrathecal injection
of a solution containing approximately 2% lidocaine. The similarity of the present
case to those previously reported implies a common etiology and suggests that risk
is not restricted to the use of 5% lidocaine with 7.5% glucose. It underscores the
need for carefully controlled prospective evaluation of the factors that affect transient
neurologic dysfunction following spinal anesthesia.
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© 1996 Published by Elsevier Inc.
