title: Nocturnal hypoxia and functional outcome in stroke patients.
abstract: BACKGROUND
  Sleep disorders and nocturnal hypoxia are common in patients with cerebrovascular disease. Sleep-disordered breathing is associated with a poor functional outcome in stroke patients.
  
  
  OBJECTIVE
  We investigated the relationship between nocturnal hypoxia and functional outcome in the rehabilitation phase of stroke patients.
  
  
  METHODS
  Thirty patients with stroke and 20 controls were included. Functional status was evaluated with the Functional Independence Measure (FIM). Pulse oximetry was performed overnight from 21.00  h to 07.00  h. Baseline awake oxygen saturation, nocturnal oxygen saturation, the lowest nocturnal oxygen saturation, and the >4% Oxygen Desaturation Index (ODI) were calculated.
  
  
  RESULTS
  The mean oxygen saturation measurements were not significantly different among the groups (p >  0.05). There was no significant relationship between the FIM scores and the oxygen saturation measurements of the stroke patients (p >  0.05). The baseline oxygen saturation in patients with disease duration of 3 months or less was 94.67, and it was 96.56 (p = 0.016) in those with disease duration of more than 3 months.
  
  
  CONCLUSIONS
  This study showed that nocturnal oxygen saturation was not associated with functional outcome in therehabilitation phase of stroke patients.
authors.affiliation: Department of Physical Medicine and Rehabilitation, Giresun University Medicine Faculty, Giresun, Turkey.
authors.forename: Canan
authors.initials: C
authors.lastname: Celik
authors.affiliation: Department of Physical Medicine and Rehabilitation, Diskapi Yildirim Beyazit Education and Research Hospital, Ankara, Turkey.
authors.forename: Asli Gencay
authors.initials: AG
authors.lastname: Can
authors.affiliation: Department of Physical Medicine and Rehabilitation, Bozyaka Education and Research Hospital, Izmir, Turkey.
authors.forename: Seniz Akcay
authors.initials: SA
authors.lastname: Yalbuzdag
authors.affiliation: Department of Physical Medicine and Rehabilitation, Sevket Yilmaz Education and Research Hospital, Bursa, Turkey.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Ozer
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000175:diagnosis* / Q000378:metabolism / Q000534:rehabilitation; D008297:Male; D008875:Middle Aged; D010092:Oximetry / Q000379:methods; D020127:Recovery of Function / Q000502:physiology; D012891:Sleep Apnea Syndromes / Q000175:diagnosis* / Q000378:metabolism / Q000534:rehabilitation; D020521:Stroke / Q000175:diagnosis* / Q000378:metabolism; D000071939:Stroke Rehabilitation; D016896:Treatment Outcome; D014851:Wakefulness / Q000502:physiology
keywords: Nocturnal hypoxia; functional outcome; oxygen saturation; stroke