New York— Researchers have found that pupillary light reflex (PLR) recovery from general anesthesia (GA) varies greatly among patients, regardless of the anesthesia drug used.
Thus while PLR has long been used in the neurologic assessment of an anesthetized patient, physicians should be cautious about using the technique to measure brain stem function in patients who have been under GA.
The study, conducted by researchers at the Université libre de Bruxelles in Belgium, was presented