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 ...

Surgery

Study suggests approach to waking patients after surgery

The use of general anesthesia for surgery has not changed fundamentally since it was first introduced 170 years ago. Patients are still left to come around in their own time following withdrawal of the drug.

Surgery

Anesthesia is safe in the young, study finds

A single exposure to general anesthesia poses no cognitive risk to healthy children under age three, a critical time in brain development, according to a multicenter study led by researchers at Columbia University Medical ...

Neuroscience

Brain structure generates pockets of sleep within the brain

Sleep is usually considered an all-or-nothing state: The brain is either entirely awake or entirely asleep. However, MIT neuroscientists have discovered a brain circuit that can trigger small regions of the brain to fall ...

Cardiology

Procedure to open blocked carotid arteries tested

(Medical Xpress)—Doctors at Washington University School of Medicine in St. Louis are investigating a minimally invasive procedure to open blocked carotid arteries in patients whose poor health or advanced age makes the ...

Genetics

Researchers pin down the genetics of going under

(Medical Xpress)—Falling asleep in your bed at night and being "put to sleep" under general anesthesia – as well as waking up in the morning or coming out of anesthesia – aren't quite the same thing, yet they share ...

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