Diseases, Conditions, Syndromes

Mexico: Deadly meningitis outbreak caused by anesthetics

Mexico's Public Health Department said Thursday that a worrisome outbreak of 61 meningitis cases in the northern state of Durango this month was linked to anesthetic procedures used at local hospitals.

Neuroscience

When unconscious, the brain is anything but 'silent'

The cerebral cortex is thought to be the seat of conscious processing in the brain. Rather than being inactivated, specific cells in the cortex show higher spontaneous activity during general anesthesia than when awake, and ...

Medications

Use of injectable local anesthetics up for hip fracture

The use of injectable local anesthetics on the day of presentation increased among hip fracture patients from 2009 to 2019, according to a study to be presented at the Annual Regional Anesthesiology and Acute Pain Medicine ...

Biomedical technology

Mimicking nature to provide long-lasting local anesthesia

Site 1 sodium channel blockers such as tetrodotoxin and saxitoxin are small-molecule drugs with powerful local anesthetic properties. They provide pain relief without toxic effects on local nerves and muscles, and are an ...

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Anesthetic

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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