• system
  • This system may be more efficacious at stopping a cluster headache attack than the currently prescribed oxygen delivery system. (clinicaltrials.gov)
  • This delivery system may be better at stopping a cluster headache attack than the continuous flow model as it can support hyperventilation which can enhance cerebral arterial vasoconstriction via a state of hyperoxia and hypocapnia. (clinicaltrials.gov)
  • minutes
  • In the currently recommended dosing strategy of continuous flow 100% oxygen given via a non-rebreather face mask at 7-15L/min, the time to improvement can sometimes take upwards of 20-30 minutes and is not effective for all cluster headache sufferers. (clinicaltrials.gov)