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Medicine (Baltimore). 2017 Apr;96(14):e6565. doi: 10.1097/MD.0000000000006565.

Asymptomatic hyperuricemia is independently associated with coronary artery calcification in the absence of overt coronary artery disease: A single-center cross-sectional study.

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1
aDepartment of Internal Medicine, Yonsei University College of Medicine Gangnam Severance Hospital, Seoul bDepartment of Internal Medicine, CHA University School of Medicine CHA Bundang Medical Center, Seongnam-si cSeverance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Republic of Korea.

Abstract

Recently, the pathogenic role of uric acid (UA) in both systemic metabolic and atherosclerotic diseases has been investigated. We sought to determine the independent correlation between serum UA levels and coronary artery calcification, as a marker of subclinical atherosclerosis. A total of 4188 individuals without prior coronary artery disease or urate-deposition disease were included. All of the participants underwent multidetector computed tomography (MDCT) for the evaluation of coronary artery calcification (CAC) during their health check-ups. The subjects were divided into thre groups according to CAC scores (group 1: 0; group 2: 1-299; group 3: ≥300). After controlling for other confounders, serum UA levels were found to be positively associated with increasing CAC scores (P = 0.001). Adjusted mean serum UA levels in each CAC group were estimated to be 5.2 ± 0.1 mg/dL, 5.3 ± 0.1 mg/dL, and 5.6 ± 0.2 mg/dL from groups 1, 2, and 3, respectively. Subsequent subgroup analyses revealed that this positive association was only significant in participants who were male, relatively older, less overweight, and did not have diabetes mellitus (DM), hypertension, smoking history, or renal dysfunction. In conclusion, serum uric acid levels were independently associated with CAC score severity and this finding is particularly relevant to the subjects who were male, relatively older, less overweight (body mass index < 25 kg/m), and without a history of DM, hypertension, smoking, or renal dysfunction.

PMID:
28383435
PMCID:
PMC5411219
DOI:
10.1097/MD.0000000000006565
[Indexed for MEDLINE]
Free PMC Article

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