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Int J Vitam Nutr Res. 2019 Jul 1:1-6. doi: 10.1024/0300-9831/a000593. [Epub ahead of print]

Zinc deficiency is an independent risk factor for prehypertension in healthy subjects.

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1 Departamento de Bioquímica, Facultad de Medicina y Nutrición, Universidad Juárez del Estado de Durango, Durango, México.
2 Unidad de Investigación Biomédica, Delegación Durango, Instituto Mexicano del Seguro Social, México.


Objective: To assess whether zinc deficiency is associated with prehypertension (preHTN) in apparently healthy subjects. Design: Apparently healthy women and men, aged 20 to 60 years were enrolled into a case-control study. Individuals with and without preHTN were allocated into the case and control groups, respectively. Hypertension, liver disease, renal disease, smoking, pregnancy, diabetes, malignancy, hypernatremia, hypomagnesemia, medical treatment, and use of supplements containing zinc were exclusion criteria. PreHTN was defined by systolic blood pressure (SBP) and/or diastolic blood pressure (DBP) of 120-139 mmHg and/or of 80-89 mmHg, respectively, and the zinc deficiency by serum zinc levels < 74 μg/dL in men and < 70 μg/dL in women. Results: In total, 142 subjects (90 women and 52 men) were enrolled and allocated in the case (n = 71) and control (n = 71) groups. In the overall population, the frequency of zinc deficiency was 11.1%; individuals in the case group showed significant higher frequency of zinc deficiency as compared with the control group (16.9% vs 5.5%, p = 0.04). The logistic regression analysis showed a significant association between zinc deficiency and preHTN (OR = 4.61; 95% CI: 1.24-17.12, p = 0.02). Conclusion: Our results suggest that zinc deficiency is associated with the presence of preHTN in apparently healthy subjects.


Zinc deficiency; blood pressure; healthy subjects; prehypertension; zinc


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