Fentanyl is used to supplement sedation and to relieve severe pain during and after surgery, but it's also one of the deadliest drugs of the opioid epidemic. In research conducted by investigators at Massachusetts General ...
Aug 30, 2022
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Surgery would be inconceivable without general anesthesia, so it may come as a surprise that despite its 175-year history of medical use, doctors and scientists have been unable to explain how anesthetics temporarily render ...
May 29, 2020
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After surgery under general anaesthesia, older patients often experience a decline in cognitive function that can last for months or even years. This worsening brain function has been linked to deep anaesthesia during surgery.
Dec 18, 2021
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A Duke University research team has found a small area of the brain in mice that can profoundly control the animals' sense of pain.
May 18, 2020
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Anesthesia for a single total knee replacement surgery has a carbon footprint equivalent to driving a car 42 miles, according to a study published online in Anesthesiology, the official peer-reviewed journal of the American ...
Sep 16, 2021
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Physician anesthesiologists prefer that laboring women have an empty stomach because of the lower risk for aspiration (inhaling) of food in case general anesthesia for cesarean section becomes necessary. Regarding this issue, ...
Feb 1, 2022
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Millions of surgical procedures performed each year would not be possible without the aid of general anesthesia, the miraculous medical ability to turn off consciousness in a reversible and controllable way.
May 27, 2021
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Anesthesiologists can play a role in reducing the greenhouse gas emissions that contribute to global warming by decreasing the amount of anesthetic gas provided during procedures without compromising patient care, suggests ...
Jan 27, 2023
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In study after study, the psychoactive drug ketamine has given profound and fast relief to many people suffering from severe depression. But these studies have a critical shortcoming: Participants usually can tell whether ...
Oct 19, 2023
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New research shows that the rates of survival, functional recovery, and post-operative delirium are similar for patients whether they underwent general anesthesia or spinal anesthesia for hip fracture surgery. This work, ...
Oct 10, 2021
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Anesthesia, or anaesthesia (see spelling differences; from Greek αν-, an-, "without"; and αἲσθησις, aisthēsis, "sensation"), has traditionally meant the condition of having sensation (including the feeling of pain) blocked or temporarily taken away. This allows patients to undergo surgery and other procedures without the distress and pain they would otherwise experience. The word was coined by Oliver Wendell Holmes, Sr. in 1846. Another definition is a "reversible lack of awareness", whether this is a total lack of awareness (e.g. a general anaesthetic) or a lack of awareness of a part of the body such as a spinal anaesthetic or another nerve block would cause. Anesthesia is a pharmacologically induced reversible state of amnesia, analgesia, loss of consciousness, loss of skeletal muscle reflexes and decreased stress response.
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