![]() In addition, the nerve is surrounded by a fatty sheath (myelin) that acts like an insulator covering a wire. Groups of these fascicles make up the bigger nerve (4). The image below shows that a nerve is made up of bundles of neurons (nerve cells) called fascicles. The scar tissue constricts the nerve which reduces the transport of critical chemicals that the nerve needs to stay healthy.Ī nerve can also be damaged by killing some or all of its fibers. This is what happens when scar tissue forms around a nerve after surgery. ![]() If you constrict one area, less water comes out. What Happens When Your Nerves Are Damaged? If they last longer than a few months, then they’re placed into the permanent nerve damage category and will likely need to be treated. Many times the symptoms are temporary, for example, many patients have nerve problems after surgery that only last for a few weeks to months (2,3). The most common symptoms of nerve damage after surgery are usually numbness, tingling, burning, muscle weakness or atrophy. One of the biggest issues we see after surgery is scarring around the nerves (1).
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