35. Which of the following is the acceptable statement about the local anaesthetic
blocks and epidurals?
(A) In the management of chronic pain, diagnostic nerve blocks may help in
locating the origin of pain, but are unreliable as prognostic aids for neurolytic or
neurodestructive procedures.
(B) Pain originating from malfunctioning CNS pain modulation may also be
relieved by a peripheral nerve block.
(C) Epidural local anaesthetic blocks cannot reliably predict the effect of spinal
cord stimulation.
(D)“Pulsed radiofrequency” treatment: lower temperature applied; less effective;
fewer adverse effect compared with conventional radiofrequency denervation.
(E) All of the above