AI Article Synopsis
- Hypohydration may increase the risk of vascular diseases and worsen outcomes for stroke patients, prompting the study to explore urine osmolality (uOsm) as a measurement of hydration status instead of blood parameters.
- The study included 119 stroke patients, categorizing them into "poor fluid intake" (PF) and "euhydration" (EU) based on their uOsm levels at admission, finding that 52% had PF.
- Results indicated that patients with PF had a higher likelihood of severe stroke at admission and poorer functional outcomes at discharge, suggesting a significant relationship between uOsm and stroke severity and recovery.
Article Abstract
Hypohydration has been suggested increasing the risk of vascular diseases, and it is associated with poor prognosis and worse functional outcome in stroke. Most studies have used blood parameters to determine patients' hydration status. The aim of this study was to measure urine osmolality (uOsm) and its influence on stroke severity and independence. A prospective descriptive study was conducted in stroke patients admitted to a stroke unit. All patients underwent neurological evaluation at admission and discharge using the National Institute of Health Stroke Scale (NIHSS). Independence at discharge was evaluated with the Barthel Index (BI) and the modified Rankin Scale (mRS). uOsm was measured at admission. Patients were grouped in "poor fluid intake" (PF) and "euhydration" (EU), the latter if uOsm ≤ 500 mOsm/kg. Among 119 included patients, the prevalence of PF was 52%, with no difference observed between groups in demographics or blood samples analyses. PF had higher chances of NIHSS > 8 at admission (OR: 4.7 95% CI: 1.3-17.0; p = 0.02), lower BI at discharge (β: -15.3 95% CI: -26.7 to -3.8; p = 0.01), and worse mRS at discharge (OR: 4.01 95% CI: 1.2-14.0; p = 0.02). These findings are consistent with previous results, suggesting that uOsm may be a factor significantly associated with stroke severity and independence outcome after acute ischemic stroke.
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| http://dx.doi.org/10.1016/j.jocn.2019.11.002 | DOI Listing |
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