Severity of Vitamin D Deficiency Predicts Mortality in Ischemic Stroke Patients.

Severity of Vitamin D Deficiency Predicts Mortality in Ischemic Stroke Patients. Dis Markers. 2019;2019:3652894 Authors: Wajda J, Świat M, Owczarek AJ, Brzozowska A, Olszanecka-Glinianowicz M, Chudek J Abstract Background: Vitamin D (VD) deficiency is considered an independent risk factor for death due to cardiovascular events including ischemic stroke (IS). We assessed the hypothesis that decreased levels of 25-hydroxyvitamin D (25-OH-D) are associated with increased risk of mortality in patients with IS. Methods: Serum 25-OH-D, intact parathyroid hormone (iPTH), and intact fibroblast growth factor 23 (iFGF23) levels were assessed in serum of 240 consecutive patients admitted within the 24 hours after the onset of IS. Mortality data was obtained from the local registry office. Results: Only three subjects (1.3%) had an optimal 25-OH-D level (30-80 ng/mL), 25 (10.4%) had a mildly reduced (insufficient) level, 61 (25.4%) had moderate deficiency, and 151 (62.9%) had a severe VD deficiency. 20% subjects had secondary hyperparathyroidism. The serum 25-OH-D level was significantly lower than that in 480 matched subjects (9.9 ± 7.1 vs. 21.0 ± 8.7 ng/mL). Of all the patients, 79 (32.9%) died during follow-up observation (44.9 months). The mortality rates (per year) were 4.81 and 1.89 in a group with and without severe VD deficiency, respectively (incidence rate ratio: 2.52; 95% CI: 1.44-4.68). There was no effect of secondary...
Source: Disease Markers - Category: Laboratory Medicine Tags: Dis Markers Source Type: research

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