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High Salt Intake Is Independently Associated With Hypertensive Target Organ Damage
Author(s) -
Imaizumi Yuki,
Eguchi Kazuo,
Murakami Takeshi,
Arakawa Kimika,
Tsuchihashi Takuya,
Kario Kazuomi
Publication year - 2016
Publication title -
the journal of clinical hypertension
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.909
H-Index - 67
eISSN - 1751-7176
pISSN - 1524-6175
DOI - 10.1111/jch.12668
Subject(s) - medicine , oxidative stress , creatinine , morning , blood pressure , urine , endocrinology , excretion , urinary system , pathophysiology , physiology
The authors tested the hypothesis that high salt intake is associated with hypertensive target organ damage (TOD) independent of blood pressure (BP), and oxidative stress is a modifying factor of this association. A total of 369 community‐dwelling Japanese adults (mean age, 67.5 years; 56.6% women) were examined in this observational study. At the patients' annual health check‐ups, urinary salt excretion (U‐SALT), 8‐hydroxy‐2′‐deoxyguanosine (8‐OHdG), and albumin‐creatinine ratio (UACR) were measured from first morning urine. U‐SALT (β=0.14, P =.016) and 8‐OHdG (β=0.13, P =.018) were both independently associated with logUACR. U‐SALT was associated with TOD independent of BP level, and oxidative stress may be a modifying factor in the association between high salt intake and TOD. The elevation of 8‐OHdG may be involved in the pathophysiology of TOD induced by salt intake.

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