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Association between Vitamin D Deficiency and Levels of Renin and Angiotensin in Essential Hypertension

Lu Han1, Xin-Juan Xu2, Jun-Shi Zhang2

  • 1Department of Cardiology, The Armed Police Corps Hospital, Xinjiang, Urumqi 830000, China.

International Journal of Clinical Practice
|July 11, 2022
PubMed

Insights

Vitamin D deficiency is common in essential hypertension patients in China. Lower vitamin D levels correlate with higher renin, suggesting a role in blood pressure regulation via the renin-angiotensin-aldosterone system.

Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Nutritional Science

Background:

  • Essential hypertension is a significant global health concern.
  • The renin-angiotensin-aldosterone system (RAAS) plays a critical role in blood pressure regulation.
  • Emerging evidence suggests a link between vitamin D status and cardiovascular health.

Purpose of the Study:

  • To investigate the association between vitamin D deficiency and RAAS levels in patients with essential hypertension.
  • To explore the relationship between vitamin D, renin, and blood pressure in a Chinese population.

Main Methods:

  • A comparative study was conducted in Urumqi, Xinjiang, China.
  • 80 essential hypertension patients and 76 healthy controls were enrolled.
  • Measurements included 25-hydroxyvitamin D (25(OH)D), plasma renin activity, angiotensin II, and biochemical indicators.

Main Results:

  • Vitamin D deficiency was prevalent in the study population.
  • Hypertension patients showed significantly lower 25(OH)D levels and higher renin levels compared to controls.
  • 25(OH)D levels were negatively correlated with renin and positively correlated with systolic pressure.

Conclusions:

  • Vitamin D deficiency is common in essential hypertension patients in Xinjiang, China.
  • Vitamin D levels are inversely associated with renin levels in this cohort.
  • Vitamin D may influence blood pressure regulation through modulation of the RAAS.
Abstract

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