(Medical Xpress)—Many chronically depressed and treatment-resistant patients experience immediate relief from symptoms after taking small amounts of the drug ketamine. For a decade, scientists have been trying to explain ...
Oct 4, 2012
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Until relatively recently, opioids were a mainstay of treatment for pain following total hip or knee replacement. Today, a growing body of evidence supports the use of multimodal analgesia—combinations of different techniques ...
Jul 8, 2021
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A visit to the dentist's office could provide a glimpse into your heart and brain health.
Aug 11, 2022
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(Medical Xpress) -- In a new study published in Nature, Lisa Monteggia from the University of Texas Southwestern Medical Center looks at how the drug ketamine, typically used as an anesthetic or a popular recreational drug ...
Awakening from anesthesia is often associated with an initial phase of delirious struggle before the full restoration of awareness and orientation to one's surroundings. Scientists now know why this may occur: primitive consciousness ...
Apr 4, 2012
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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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Anesthesia, long considered a blessing to patients and surgeons, has been a mystery for much of its 160-plus-year history in the operating room.
Nov 13, 2014
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Pain? Just turn it off! It may sound like science fiction, but researchers based in Munich, Berkeley and Bordeaux have now succeeded in inhibiting pain-sensitive neurons on demand, in the laboratory. The crucial element in ...
Feb 22, 2012
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Before undergoing surgeries and other invasive medical procedures, patients typically undergo anesthesia. Anesthesia consists in giving patients a class of drugs (i.e., anesthetics) that cause them to lose feeling in specific ...
Ketamine has been intensively studied in psychiatry in recent years. Unlike traditional antidepressants, ketamine brings about its antidepressant effects very rapidly. A recent study conducted at the University of Helsinki, ...
Mar 27, 2019
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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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