[The role of hyperventilation and neuromuscular excitability in the clinical picture and pathogenesis of migraine headaches].

The comparison of two groups of migrainous patients with or without hyperventilation syndrome (HS) provided the conclusions that HS provokes more severe migrainous attacks and psychovegetative symptoms in migrainous cephalalgia (MC). The findings also support the existence of stem structure disfunction in MC patients.