Abstract
Continuous peripheral nerve block (CPNB) success is largely dependent on placement of the catheter close enough to the nerve to allow effective and sustained analgesia following painful surgeries with a minimum volume of local anesthetic. One of the most common problems associated with CPNB involves accurate placement of the catheter tip, migration, and dislodgement of the catheter. This is of increasing importance now that catheters are left in place for prolonged periods of time to provide postoperative analgesia, and patients with peripheral nerve catheters are being discharged home with ambulatory pumps. In response to the challenges of providing safe, effective, and consistently reliable analgesia, research and development in this field is expanding rapidly. This review article presents results from recent publications addressing the subject of peripheral nerve catheter localization.
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