Hypnotics, Sleep, and Mortality in Elderly People

Journal of the American Geriatrics Society - Tập 40 Số 8 - Trang 787-791 - 1992
R Rumble1, Kevin Morgan
1School of Pharmacy, University of Tasmania, Sandy Bay, Australia.

Tóm tắt

ObjectiveTo re‐assess relationships between mortality, hypnotic use, subjective insomnia, and sleep duration.DesignA prospective study examining 5‐year mortality among hypnotic drug users and respondents with subjective insomnia identified in a longitudinal study of health, activity, and lifestyle (Nottingham Longitudinal Study of Activity and Ageing).SettingGeneral community.Participants1042 survey respondents, aged over 65 years, randomly selected from the community and stratified at age 75 years.Main Outcome MeasureRecorded mortality.ResultsDuring the 5‐year period, 352 respondents died. The mortality rate was significantly greater among those taking some form of medication for sleep (n = 208) than for those not taking sleep medication (n = 812; chi‐square = 4.91, df = 1, P = 0.027). When sleep medication users were categorized as either “hypnotic users” (ie, users of medication with recognized hypnotic or sedative actions) or “other users” (including analgesics and other over‐the‐counter medicines), only “other users” showed significant excess mortality (chi‐square = 7.27, df = 1, P = 0.007). Logistic regression showed that “other users” were 2.5 times more likely to die than “non‐users” even when gender, health risk, and usual sleep duration were controlled. There were no significant relationships between mortality and subjective insomnia or reported duration of sleep.ConclusionsEarlier reported relationships between excess mortality and use of medication for sleep are replicated in this study. Among elderly people, however, this relationship does not derive from the pharmacological characteristics of prescription hypnotics. Rather, it appears that reported self‐medication to promote sleep, using a variety of non‐sedative products, provides an epidemiological “marker” for a group within which levels of morbidity and mortality are particularly high. Excess mortality associated with very short or long sleep duration was not replicated in this study. Overall, these findings provide little epidemiological support for a widespread interaction between benzodiazepine hypnotic use and sleep disordered breathing in old age.

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Thông tin xuất bản

Journal of the American Geriatrics Society

Tập 40 Số 8

787-791

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