The ciliospinal reflex in pentobarbital coma.

  title={The ciliospinal reflex in pentobarbital coma.},
  author={John C. Andrefsky and Jeffrey I. Frank and Douglas Chyatte},
  journal={Journal of neurosurgery},
  volume={90 4},
OBJECT This study was conducted to delineate the ciliospinal reflex (CSR), which is defined as pupillary dilation caused by a noxious stimulus to the face or head. The authors anecdotally observed that patients in a pentobarbital coma have a CSR that can mimic pathological conditions. A pentobarbital coma obscures the results of the neurological examination in patients with potentially life-threatening cerebral edema; pupil size and reactivity are the only readily monitored signs. Any condition… CONTINUE READING