Relationship of blood pressure and cardiovascular disease risk factors in normotensive middle-aged men

Dee Pei, Yen Lin Chen, Sai Hung Tang, Chung Ze Wu, Jiunn Diann Lin, Yen Ling Chang, Chun Hsien Hsu, Cheng Yi Wang, Kun Wang, Jen Yu Wang

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We conducted this study to investigate whether subjects with high-normal systolic blood pressure (SBP) have an increased risk of cardiovascular disease (CVD) and/or diabetes compared to subjects with low-normal SBP, using metabolic syndrome (MetS) as a risk factor for future CVD/diabetes.The study included 6133 apparently healthy Taiwanese men aged 40-65 years. All subjects were normotensive, and none took medication for any abnormal MetS component. To avoid the effect of age on blood pressure, we stratified patients first by age then by SBP (that is, low, middle, and high SBP). We pooled all the low, middle, and high SBP groups from the different age strata to create 3 larger groups (Group 1, Group 2, and Group 3, respectively). The MetS components in subjects with the lowest SBP (Group 1) were compared with those in the other 2 groups. All of the MetS components, except for high-density lipoprotein cholesterol (HDL-C), were significantly lower in Group 1. Thus, it was not surprising that Group 2 and Group 3 had significantly higher odds ratios for abnormal body mass index, fasting plasma glucose, low-density lipoprotein-cholesterol (LDL-C), and triglycerides than Group 1 (but not for HDL-C). Specifically, Group 3 had a 1.7-fold higher odds ratio (p <0.001) for having MetS than Group 1. Age, body mass index, fasting plasma glucose, LDL-C, and log triglycerides correlated significantly with SBP. In multivariate linear regression analysis, we found that only body mass index, fasting plasma glucose, and log triglycerides remained significantly related to SBP. Among them, body mass index had the highest β value.In conclusion, the level of SBP was highly correlated with body mass index, fasting plasma glucose, and triglycerides in subjects with normotension. Although there is not a cause-and-effect relationship, the risk of CVD and diabetes was significantly associated with an elevation of SBP, even when the SBP remained within the normal range. Further studies are needed to determine whether normotensive subjects would benefit from medical management.

Original languageEnglish
Pages (from-to)344-349
Number of pages6
JournalMedicine (United States)
Volume90
Issue number5
DOIs
Publication statusPublished - Sep 2011

ASJC Scopus subject areas

  • Medicine(all)

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