Orthostatic hypotension predicts a poor prognosis in elderly people with dementia

Emi Oishi, Satoko Sakata, Takuya Tsuchihashi, Mitsuhiro Tominaga, Koji Fujii

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objective The purpose of the present study was to assess the prevalence of orthostatic hypotension (OH) and elucidate its associations with the demographic characteristics and the prognosis in elderly subjects with dementia who visited a hospital for elderly daycare. Methods A total of 64 outpatients (44 females) with a mean age of 84±6 years who visited a hospital for daycare were enrolled in the study. The prevalence of OH and demographic characteristics were examined. Then, the subjects were followed up for 1 year. The blood pressure was measured in the supine position and immediately, 1, 3 and 5 minutes after standing. Poor outcome measures included death, hospitalization for any reason, and admission to a nursing home or geriatric facility. Results OH was present in 17 patients (26.6%). The presence of OH was associated with a higher supine systolic blood pressure. The increase in heart rate in the standing position was also reduced in subjects with OH compared with those without. The presence of OH was associated with faster time in the timed up-andgo test compared with those without OH. During the follow-up period, 22 patients (34.4%) had a poor prognosis, of which 8 (36.4%) had OH, which tended to be higher than those with a favorable prognosis. The event-free survival rate appeared to be lower in subjects with OH than in those without. Conclusion OH is relatively common in frail elderly patients with dementia, and it also appears to be associated with a poor prognosis.

Original languageEnglish
Pages (from-to)1947-1952
Number of pages6
JournalInternal Medicine
Volume55
Issue number15
DOIs
Publication statusPublished - 2016

All Science Journal Classification (ASJC) codes

  • Internal Medicine

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