期刊
JOURNAL OF HYPERTENSION
卷 35, 期 9, 页码 1787-1793出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/HJH.0000000000001375
关键词
American Indians; hypertension; plasminogen activator inhibitor-1; prospective association; the Strong Heart Study
资金
- NIH [R01DK091369, K01AG034259, R21HL092363, U01HL65520, U01HL41642, U01HL41652, U01HL41654, U01HL65521]
Objectives: Deficient plasminogen activator inhibitor-1 (PAI-1) prevented hypertension in mice. Plasma PAI-1 was associated with hypertension in cross-sectional analyses, but the prospective association of PAI-1 with incident hypertension in large epidemiological studies is scarce. Methods: Leveraging two longitudinal cohorts of American Indians in the Strong Heart Study (SHS, N = 1019) and the Strong Heart Family Study (SHFS, N = 1502), we examined the prospective association of plasma PAI-1 with incident hypertension by multivariate logistic regression, adjusting for age, sex, study site, smoking, drinking, dietary sodium, obesity, lipids, fasting glucose, kidney function, inflammation, and follow-up years. Family relatedness in the SHFS was accounted for using the GLIMMIX procedure. Plasma PAI-1 level at baseline was measured by immunoassay. All participants were free of hypertension, cardiovascular diseases, and chronic kidney disease at baseline. Results: A total of 305 and 258 participants, respectively, from the SHS (57 +/- 7 years) and the SHFS (33 +/- 13 years) developed incident hypertension during follow-up. In the SHS, higher level of log-transformed PAI-1 was associated with 1.35-fold increased risk of hypertension [odds ratio (OR) (95% confidence interval): 1.35 (1.06-1.72)]. Analysis using categorical PAI-1 (in tertiles) showed that participants in the highest tertile (>= 58 ng/ml) had 63% increased risk for hypertension [OR = 1.63 (1.12-2.37)] compared with those in the lowest tertile (<33 ng/ml). This association was confirmed in the SHFS with similar effect sizes [OR = 1.41 (1.11-1.81) for log-transformed PAI-1; OR = 1.64 (1.08-2.50) for categorical PAI-1: >= 58 vs. <33 ng/ml]. Conclusion: A higher level of plasma PAI-1 is significantly associated with hypertension in American Indians, independent of established risk factors. The potential causality warrants further investigation.
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