Does general anesthesia have an effect on the brain?
Disease description:
Due to health reasons, I need to undergo a surgery. The doctor told me it would be performed under general anesthesia and that I wouldn't feel any pain. I'm just curious—does general anesthesia have any effects on the brain?
Doctor's answer (1)
Dr. Yang Ziqi
General anesthesia, widely used in the medical field, is a type of anesthetic technique. During general anesthesia, specific anesthetic agents are administered to suppress normal activity in the cerebral cortex, inducing a reversible state of unconsciousness in the patient, characterized by altered consciousness and loss of pain sensation. However, this suppressed state is temporary; as the anesthetic drugs are gradually metabolized and eliminated from the body, the inhibitory effects on the brain dissipate, typically without causing permanent damage to brain cell function.
It should be noted that patients with special conditions such as cardiovascular or cerebrovascular diseases, or impaired liver and kidney function, may experience delayed drug metabolism and excretion, potentially leading to prolonged recovery from anesthesia. Additionally, due to individual differences and variations in clinical expertise, complications such as regurgitation, aspiration, and aspiration pneumonia may occur during general anesthesia, along with adverse reactions in the recovery period including pain-related agitation, postoperative dizziness, and vomiting.
