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Large vessel Ischemic Stroke 13 X more likely if low vitamin D – Nov 2017

Vitamin D Status in Small Vessel and Large Vessel Ischemic Stroke Patients: A Case-control Study.

Adv Biomed Res. 2017 Nov 30;6:146. doi: 10.4103/2277-9175.219411. eCollection 2017.
Manouchehri N1,2, Vakil-Asadollahi M1, Zandifar A1, Rasmani F3, Saadatnia M2,3.
1 Medical Students' Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
2 Isfahan Neurosciences Research Center, Alzahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran.
3 Alzahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran.

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BACKGROUND:
Vitamin D insufficiency is a globally widespread issue. Recent studies have reported a high prevalence of Vitamin D deficiency in Middle-East countries. Studies have shown negative effects of Vitamin D deficiency on endothelium and related diseases such as ischemic brain stroke. Here, we assessed Vitamin D status in patients with different types of ischemic brain stroke and control group.

MATERIALS AND METHODS:
Seventy-five patients (49.3% small vessel, 50.7% large vessel) and 75 controls, matched for age (68.01 ± 10.94 vs. 67.64 ± 10.24) and sex (42 male and 33 female) were recruited. 25(OH) D levels were measured by Chemiluminescence immunoassay. 25(OH) D status was considered as severely, moderately, or mildly deficient and normal with 25(OH) D levels of less than 5, 5-10, 10-16, and >16 ng/ml, respectively.

RESULTS:
Mean ± standard error concentration of 25(OH) D in cases and controls were 17.7 ± 1.5 and 26.9 ± 1.6 (P = 0.0001), respectively. Mild, moderate, and severe Vitamin D deficiency were observed in 10.8%, 32.4%, 8.1% vs. 34.3%, 31.5%, 9.5% of small vessel and large vessel group, respectively. 21.7% of the controls were Vitamin D deficient.
Vitamin D deficiency was significantly associated with higher risk for ischemic stroke, (P = 0.000, OR = 7.17, 95% confidence interval: 3.36-15.29).
s25(OH) D levels were significantly higher in control group comparing to small vessel (26.9 ± 1.6 vs. 20.59 ± 2.6 P < 0.05) and large vessel (26.9 ± 1.6 vs. 13.4 ± 1.3 P < 0.001) stroke patients. Small vessel group had significantly higher levels of Vitamin D than large vessel (P < 0.05).

CONCLUSION:
Vitamin D deficiency significantly increases the risk of ischemic stroke, favoring the types with the pathogenesis of large vessel strokes.

PMID: 29285476 PMCID: PMC5735556 DOI: 10.4103/2277-9175.219411


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Large vessel Ischemic Stroke 13 X more likely if low vitamin D – Nov 2017        
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