Percutaneous conduction blockade can be performed on most major nerves using anatomical landmarks. Techniques are described in many texts ( Cousins and
Bridenbaugh 1988). Single-shot techniques (e.g. brachial plexus, femoral nerve, and intrapleural space) have been employed successfully. Potential problems are difficulties with placement, neural damage, hematoma formation, and infection. These techniques provide excellent analgesia compared with parenteral opioid administration, but the potential complications need to be justified on clinical grounds.
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