Factors associated with low‐intake dehydration among older inpatients: A pilot study

Objectives To assess fluid intake among older inpatients and factors associated with low‐intake dehydration. Methods Daily fluid intake and access were assessed within the 24‐hour period, and blood was drawn to measure serum osmolality. Results Of 89 patients, 16% and 27% had serum osmolality ≥ 300...

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Bibliographic Details
Published in:Australasian journal on ageing 2021-06, Vol.40 (2), p.e163-e172
Main Authors: Wham, Carol, Smithers, Allie, Kruger, Rozanne, Mazahery, Hajar, Richter, Marilize
Format: Article
Language:English
Subjects:
dehydration
older adults
osmolality
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Summary:Objectives To assess fluid intake among older inpatients and factors associated with low‐intake dehydration. Methods Daily fluid intake and access were assessed within the 24‐hour period, and blood was drawn to measure serum osmolality. Results Of 89 patients, 16% and 27% had serum osmolality ≥ 300 (dehydrated) and 295‐299 mOsm/kg (impending dehydration), respectively. Median (IQR) total fluid intake was 1.7 (1.6, 1.9) L/day. Fluid intake from beverages (P = .06) and water (P = .02) was higher in hydrated than impending/dehydrated patients. Of all fluid sources, only water intake was associated with hydration status (P = .02). The adjusted odds of serum osmolality ≥ 295 were increased for patients in the first (
ISSN:1440-6381
1741-6612
DOI:10.1111/ajag.12894