Sequelae Of Nerve Block Injection

Nerve blocking needles may damage the nerves and nerve roots, resulting in local anesthetic poisoning, hematoma, paralysis and other sequelae.
Nerve block injection is to inject local anesthetic around the nerve trunk, plexus and ganglia. Generally, only one injection can obtain a large anesthetic area. Nerve blocking needles may damage blood vessels, so that a small amount of anesthetic drugs into the blood vessels, resulting in local anesthetic poisoning of patients; If there is damage to blood vessels, resulting in poor coagulation function, may cause local hematoma in patients; If anesthetics are injected into a patient's spinal canal, they can affect the nerves in the spinal cord and cause paralysis.
To sum up, nerve block acupuncture may lead to local anesthetic poisoning, hematoma, paralysis and other sequelae.