For families with a loved one in a coma, sometimes hours become days and days become weeks before it’s clear whether that loved one will ever wake up. But new research by scientists in Denmark is offering hope that doctors will soon be able to predict a comatose patient’s outcome with a simple brain scan.
A study in the journal Current Biology suggests a Positron Emission Tomography or PET scan, an imaging test already used in many hospitals, can effectively predict whether a comatose patient will wake up within a year. In a study of 131 patients, the technique showed 94 percent accuracy. Read more.