Fig. 1
From: Triptans and CGRP blockade – impact on the cranial vasculature
Effects of sumatriptan and olcegepant on cranial vessels in migraine patients. The intracerebral vessels, the middle cerebral artery (MCA) and the cerebral part of the internal carotid artery (ICAcerebral), are both shown in yellow. The extracerebral artery, the cavernous part of the internal carotid artery (ICAcavernous), is shown in blue. The extracranial vessels, the middle meningeal artery (MMA) and the superficial temporal artery (STA), are both shown in purple. Boxes include description of vessel reactivity during spontaneous and/or CGRP induced attacks as well as vessel response to sumatriptan and/or olcegepant. Imaging modality indicated in parentheses in boxes; magnetic resonance angiography (MRA) or transcranial ultrasound Doppler (Doppler). Image from MRA of healthy volunteer kindly provided by Faisal M Amin