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Stroke. 2012 Mar;43(3):857-9. doi: 10.1161/STROKEAHA.111.640821. Epub 2011 Dec 8.

Dehydration in hospital-admitted stroke patients: detection, frequency, and association.

Author information

1
Edinburgh Napier University, School of Nursing and Midwifery and Social Care, Edinburgh, Scotland. a.rowat@napier.ac.uk

Abstract

BACKGROUND AND PURPOSE:

We aimed to determine the frequency of dehydration, risk factors, and associations with outcomes at hospital discharge after stroke.

METHODS:

We linked clinical data from stroke patients in 2 prospective hospital registers with routine blood urea and creatinine results. Dehydration was defined by a blood urea-to-creatinine ratio >80.

RESULTS:

Of 2591 patients registered, 1606 (62%) were dehydrated at some point during their admission. Independent risk factors for dehydration included older age, female gender, total anterior circulation syndrome, and prescribed diuretics (all P<0.001). Patients with dehydration were significantly more likely be dead or dependent at hospital discharge than those without (χ(2)=170.5; degrees of freedom=2; P<0.0001).

CONCLUSIONS:

Dehydration is common and associated with poor outcomes. Further work is required to establish if these associations are causal and if preventing or treating dehydration improves outcomes.

PMID:
22156691
DOI:
10.1161/STROKEAHA.111.640821
[Indexed for MEDLINE]

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