期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 18, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/ijerph181910260
关键词
hyperuricemia; uric acid; dietary acid loads; potential renal acid load (PRAL); net endogenous acid production (NEAP)
资金
- National Biobank of Korea, the Centers for Disease Control and Prevention, Republic of Korea [KBN-2020-016]
This study found a positive association between dietary acid load and hyperuricemia. Participants with higher PRAL and NEAP scores had a significantly higher risk of developing hyperuricemia compared to those with lower scores, even after adjusting for covariates. This suggests that adopting an alkaline diet may reduce the risk of elevated uric acid levels in the future.
Hyperuricemia has been associated with a number of chronic diseases, such as type 2 diabetes mellitus, hypertension, and cardiovascular diseases. Dietary acid load plays a key role in regulating uric acid levels. We hypothesized that potential renal acid load (PRAL) and net endogenous acid production (NEAP) score would be positively associated with the incidence of hyperuricemia. Data from the Health Examinees study, a part of the Korean Genome and Epidemiology Study were used. The PRAL and NEAP scores were calculated to evaluate the dietary acid load. Hyperuricemia was defined as follows: > 7.0 mg/dL and > 6.0 mg/dL of serum uric acid levels in men and women, respectively. Multivariable Cox proportional hazard models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for the incidence of hyperuricemia. We identified 2500 new cases of hyperuricemia during a mean follow-up of 5.0 years (223,552 person years). The participants in the highest quartiles of the PRAL and NEAP score had 21% (HR: 1.21, 95% CI: 1.07-1.35, p for trend < 0.0001) and 17% (HR: 1.17, 95% CI: 1.04-1.31, p for trend < 0.0001) higher risks for hyperuricemia, respectively, than those in the lowest quartiles, after adjusting for covariates. In this prospective cohort study, a higher dietary acid load was positively associated with a higher incidence of hyperuricemia in Korean adults. This suggests that an alkaline diet may be an effective strategy to reduce the future risk of elevated uric acid levels.
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