Effects of different anesthesia on different populations

Anesthetics through inhalation, intravenous or intramuscular injection or rectal perfusion into the body, the central nervous system is inhibited, causing the patient consciousness and no pain around the body called general anesthesia; The injection of an anesthetic to block spinal nerves, plexus or trunk and finer nerve endings is called local anesthesia.

Since anesthesia acts on nerves, could it in turn damage nerves and the brain? Please rest assured that modern anesthesia has been developed for more than a hundred years. The survival of the fittest has eliminated many anesthetics with great side effects. At present, the safety of clinical application is very high. Moreover, after decades of drug research, the effects of inhaled and intravenous anesthetics on the central nervous system are beginning to show results: they have no effect in young adults, when the brain is already fully developed; For children and the elderly, whose central nervous systems are developing or deteriorating, the current findings may have implications. After major surgery, some elderly people experience a short-term decline in learning, memory and attention, which can return to normal after a few days, while a few people never recover for months or even permanently.

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