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Nocturnal blood pressure non-dipping, posttraumatic stress disorder, and sleep quality in women.

Abstract
Women with posttraumatic stress disorder (PTSD) have poor sleep quality and increased risk of cardiovascular disease (CVD). Non-dipping of nocturnal blood pressure may be an explanatory factor for the relationship between sleep and CVD found in previous research. The current study was designed to determine if non-dipping nocturnal blood pressure was associated with trauma exposure, PTSD diagnosis, PTSD symptoms, and sleep quality in a sample of women. Participants completed 24 hours of ABPM and self-report questionnaires. Non-dipping was defined as less than 10% reduction in blood pressure during sleep. The frequency of non-dippers did not differ by diagnostic status (d = .15). However, non-dippers endorsed more traumatic event categories (d = .53), more PTSD hyperarousal symptoms (d = .53), poorer overall sleep quality (d = .59), more frequent use of sleep medication (d = .62), greater sleep-related daytime dysfunction (d = .58), and longer sleep onset latencies (d = .55) than dippers. Increased attention to nocturnal blood pressure variation may be needed to improve blood pressure control in trauma-exposed women.
AuthorsChristi S Ulmer, Patrick S Calhoun, Hayden B Bosworth, Michelle F Dennis, Jean C Beckham
JournalBehavioral medicine (Washington, D.C.) (Behav Med) Vol. 39 Issue 4 Pg. 111-21 ( 2013) ISSN: 0896-4289 [Print] United States
PMID24236808 (Publication Type: Journal Article, Research Support, N.I.H., Extramural, Research Support, U.S. Gov't, Non-P.H.S.)
Topics
  • Adult
  • Blood Pressure (physiology)
  • Blood Pressure Monitoring, Ambulatory
  • Circadian Rhythm (physiology)
  • Darkness
  • Female
  • Humans
  • Sleep (physiology)
  • Sleep Initiation and Maintenance Disorders (complications, physiopathology, psychology)
  • Stress Disorders, Post-Traumatic (complications, physiopathology, psychology)

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