Sciatic nerve block is useful in the evaluation and management
of distal lower extremity pain thought to be subserved
by the sciatic nerve. The technique is also useful to
provide surgical anesthesia for the distal lower extremity
when combined with lateral femoral cutaneous, femoral,
and obturator nerve block or lumbar plexus block. It is
used for this indication primarily with patients who would
not tolerate the sympathetic changes induced by spinal or
epidural anesthesia who need distal extremity ...
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