A new understanding of the complex ways in which general anaesthetics act on the brain could eventually lead to improved drugs for surgery. It remains unclear how general anaesthesia works, even though it is one of the most ...
Jan 9, 2018
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Waking up during surgery – it's terrifying to think about. But it does happen. There is evidence that around 5 per cent of people may experience so-called anaesthesia awareness at some point on the operating table, though ...
Mar 12, 2019
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39
Dying patients who are in pain are usually given an analgesic, such as morphine, to ease their final hours and days. And if an analgesic isn't enough, they can be given a sedative—something to make them more relaxed and ...
Apr 27, 2021
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False teeth need to be taken out before a general anaesthetic, doctors warn in the journal BMJ Case Reports after a 72 year old's dentures got stuck in his throat during surgery to remove a harmless lump in his abdominal ...
Aug 13, 2019
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A study led by Dr. Bing Hu at Plymouth University Peninsula Schools of Medicine and Dentistry and involving other researchers from China and Switzerland, suggests for the first time that the use of local anaesthetic may affect ...
Sep 6, 2015
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It can be the smallest event that triggers Donna Penner's traumatic memories of an operation from more than ten years ago.
Mar 12, 2019
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A single hour of general anaesthesia in early infancy—longer than is necessary to perform the most common types of minor surgeries in childhood—does not result in measurable neurodevelopmental or behavioural problems ...
Feb 15, 2019
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18
Researchers have used a supercomputer to show how proteins in the brain control electrical signals, in a breakthrough that could lead to safer and more effective drugs and anaesthetics.
May 22, 2017
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Survival after a general anaesthetic and within 48 hours of surgery has greatly improved worldwide over the past 50 years, according to the second Article in The Lancet surgery-themed issue.
Sep 20, 2012
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Foam injections to treat varicose veins cause less pain for patients and could save NHS money compared with a popular alternative treatment, according to researchers at Imperial College London. The study found that foam therapy ...
Sep 25, 2011
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0
An anesthetic (or anaesthetic, see spelling differences) is a drug that causes anesthesia—reversible loss of sensation. They contrast with analgesics (painkillers), which relieve pain without eliminating sensation. These drugs are generally administered to facilitate surgery. A wide variety of drugs are used in modern anesthetic practice. Many are rarely used outside of anesthesia, although others are used commonly by all disciplines. Anesthetics are categorized into two classes: general anesthetics, which cause a reversible loss of consciousness, and local anesthetics, which cause a reversible loss of sensation for a limited region of the body while maintaining consciousness. Combinations of anesthetics are sometimes used for their synergistic and additive therapeutic effects. Adverse effects, however, may also be increased.
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