title: Headache in sleep apnea syndrome.
abstract: OBJECTIVE
  To find out whether there is a relationship between the headache characteristics and polysomnographic findings in patients with prediagnosis of the sleep apnea syndrome (SAS) and, if there is, to search for its possible cause.
  
  
  BACKGROUND
  Chronic morning headache is considered by many to be an important part of the SAS. Some reports support this relationship, and some do not.
  
  
  METHODS
  We questioned 75 patients with SAS about headache. Headaches were classified according to the International Headache Society (IHS-88) system. We evaluated the relationship between headache and polysomnographic findings.
  
  
  RESULTS
  There was no statistically significant relationship between headache and apnea hypopnea index (AHI) or minimal oxygen saturation (P >.05).
  
  
  CONCLUSIONS
  We could not demonstrate a statistically significant relationship between headache, AHI, and minimal oxygen saturation in our patients with SAS.
authors.affiliation: Department of Neurology, Dokuz Eylul University Faculty of Medicine, Izmir, Turkey.
authors.forename: Fethi
authors.initials: F
authors.lastname: Idiman
authors.forename: Ibrahim
authors.initials: I
authors.lastname: Oztura
authors.forename: Baris
authors.initials: B
authors.lastname: Baklan
authors.forename: Vesile
authors.initials: V
authors.lastname: Ozturk
authors.forename: Fatma
authors.initials: F
authors.lastname: Kursad
authors.forename: Burak
authors.initials: B
authors.lastname: Pakoz
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000209:etiology; D017286:Polysomnography; D012891:Sleep Apnea Syndromes / Q000150:complications* / Q000175:diagnosis