Impact of Sleep Disordered Breathing in Older Adults
To test the hypothesis that clinically inapparent sleep-disordered breathing was associated with blood pressure elevation, impairment of health-related quality of life, and depression.
Sleep Apnea Syndromes
|Study Design:||Observational Model: Natural History|
|Study Start Date:||July 1994|
|Estimated Study Completion Date:||May 1998|
The health impact of disordered breathing during sleep among middle-aged and older men and women in the general population had not been well studied, and the need for treating relatively mild degrees of sleep-disordered breathing was unknown in 1994. The study was the first population study which examined the effect of sleep-disordered breathing on these health outcomes. The study sought to establish the prevalence of clinically important sleep-disordered breathing among middle-aged and older men and women and to provide quantitative data to serve as the basis for selecting patients for screening and deciding which patients might benefit from therapeutic intervention.
The study evaluated the hypothesis that clinically inapparent sleep-disordered breathing was associated with blood pressure elevation, impairment of health-related quality of life, and depression. The study used the Veterans Administration Normative Aging Study (NAS) population, which consisted of approximately 1,700 community-dwelling-men who returned for examination every three years. Respiratory function was assessed during sleep among these men and their wives using a validated method for home sleep monitoring. Blood pressure, health-related quality of life, and depression score were also assessed in the home. The potential associations of sleep-disordered breathing with hypertension, impaired health-related quality of life, and depression were evaluated, and the possibility that these relationships differed between men and women was examined.
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