A Simple Approach to the Sciatic Nerve That Does Not Require Geometric Calculations or Multiple Landmarks
Blockade of the sciatic nerve is necessary for complete analgesia of the
lower extremity using peripheral nerve blocks. We
identified the sciatic nerve in relation to the
ischial tuberosity in fresh cadaver dissections as well as in patients
to
compare sciatic nerve blockade using the
conventional approach versus our experimental approach. Specifically, we
tested the
hypothesis that in patients in the prone position,
our novel approach (changing the point of needle insertion to 3 cm
lateral
from the ischial tuberosity) requires fewer needle
passes and less time.
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