Neuroscience

MS relapse risk not increased in postoperative period

(HealthDay)—Exposure to a surgical procedure requiring anesthesia does not seem to increase the risk for postoperative multiple sclerosis (MS) relapse, according to a study published online June 25 in the Multiple Sclerosis ...

Neuroscience

Towards a new era of small animal imaging research

Have you ever spent half an hour trying to take the best photo of your pets but they won't stay still in the perfect angle? This is also true for small animal imaging research using positron emission tomography (PET). Because ...

Pediatrics

Guidance updated for sedation in pediatric dental patients

(HealthDay)—In conjunction with the American Academy of Pediatric Dentistry, the American Academy of Pediatrics has updated its guidance for monitoring and managing pediatric dental patients during sedation; the guidelines ...

Neuroscience

General anesthesia hijacks sleep circuitry to knock you out

The discovery of general anesthesia 170 years ago was a medical miracle, enabling millions of patients to undergo invasive, life-saving surgeries without pain. Yet despite decades of research, scientists still don't understand ...

Cardiology

Operator-directed sedation seems safe in peds cardiac cath

(HealthDay)—For carefully selected pediatric patients, operator-directed sedation (ODS) for congenital cardiac catheterization procedures is not associated with an increased risk for adverse events and may reduce case time ...

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Anesthesia

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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