Peripheral nerve blockade, also known as regional anesthesia or nerve block, is a technique used to provide anesthesia and pain relief to a specific part of the body by blocking nerve signals. Unlike general anesthesia, which affects the entire body, peripheral nerve blockade targets specific nerves that supply sensation and motor function to a particular region.

The choice of nerves to be blocked depends on the surgical site. Peripheral nerve blocks can be used for various surgical procedures, including orthopedic surgeries and some types of general or urologic surgery.

One of the advantages of peripheral nerve blockade is that it allows for targeted anesthesia, reducing the need for oral or IV medications which can minimize unwanted side effects, like nausea, constipation, and somnolence. It can provide effective pain relief during and after surgery, and in some cases, can reduce the requirement for opioids and their associated risks.

During a peripheral nerve blockade, a local anesthetic is injected near the target nerve or nerves. The local anesthetic may be administered as a single injection or through the placement of a catheter for continuous infusion. Your CRNA will use a combination of anatomical landmarks, nerve stimulators, and/or ultrasound guidance to aid in accurate needle placement.

While peripheral nerve blocks are generally considered safe and effective, there are potential risks and complications, including infection, bleeding, nerve damage, and systemic toxicity from local anesthetics. These risks are relatively low when the procedure is performed by experienced professionals who follow proper techniques and monitor the patient closely.