title: Subcutaneous blood flow in the temporal region of migraine patients.
abstract: Subcutaneous blood flow in the temporal region (TSBF) was measured by the local 133 Xenon washout technique in 43 migraine patients; 19 were reexamined in the course of spontaneous attacks. During attacks, TSBF was normal compared to the headache-free state. In 13 unilateral attacks, the median ipsilateral to contralateral ratio of TSBF was 1:1.276, (NS). During 30 degrees passive head-up tilt, TSBF decreased by a median of 27% during headache-free intervals and by a median, 21% during migraine attacks. The difference between the 2 occasions was not significant. Head-up tilt resulted in a median 4.5% increase in mean arterial blood pressure (MAP) and a median 5.3% increase in heart rate (HR) during headache-free intervals and 3.4% and 3.2% respectively during migraine attacks. These results are evidence against a vasomotor disturbance of the extracranial tissues during attacks of migraine. The cardio-vascular response to the orthostatic stimulus indicates a normal function of this part of the autonomic nervous system during migraine attacks.
mesh_terms: D000328:Adult; D001794:Blood Pressure; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000503:physiopathology*; D011187:Posture; D012039:Regional Blood Flow; D012146:Rest; D012867:Skin / Q000098:blood supply*; D013702:Temporal Lobe; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes