Metabolic Syndrome and Hypertension Subtypes among Untreated Hypertensive Rural ChineseXingang Zhang1, Shuang Yao2, Zhaoqing Sun2, Liqiang Zheng2, Changlu Xu2, Jue Li3, Dayi Hu3 and Yingxian Sun1*
- *Corresponding Author:
- Yingxian Sun, M.D. Ph.D
Department of cardiology
The First Affiliated Hospital of China Medical University
Heping District, Nanjing North Street, No. 155
Shenyang, 110001, P.R. China
E-mail: [email protected]
Received Date: March 06, 2012; Accepted Date: March 29, 2012; Published Date: March 31, 2012
Citation: Zhang X, Yao S, Sun Z, Zheng L, Xu C, et al. (2012) Metabolic Syndrome and Hypertension Subtypes among Untreated Hypertensive Rural Chinese. J Nutr Disorders Ther 2:111. doi:10.4172/2161-0509.1000111
Copyright: © 2012 Zhang X, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Background: High blood pressure is a major contributor to metabolic syndrome (MS) and the selection for hypertension in most cases is associated with higher prevalence of MS. However, the relation between hypertension subtypes and MS is not well defined.
Methods: A cross-sectional survey was conducted during 2004-2006, which undertook cluster multistage sampling to a representation sample in rural villages of Liaoning, China. A total of 4273 untreated hypertensive subjects aged ≥ 35 years were selected. The metabolic syndrome was defined by the National Cholesterol Education Program.Hypertension consisted of three subtypes: Isolated Systolic Hypertension (ISH), Isolated Diastolic Hypertension (IDH),and Systolic-Diastolic Hypertension (SDH).
Results: Of the study population 23.4% (men: 12.0%, women: 33.4%) had metabolic syndrome. Overall, 24.4%(men: 22.2%, women: 26.3%), 10.0% (men: 9.5, women: 10.5%), and 65.6% (men: 68.4%, women: 63.3%) of the untreated hypertensive individuals had ISH, IDH, and SDH, respectively. The MS prevalence in untreated persons was 23.2% (men: 11.3%, women: 31.9%) for ISH, 18.7% (men: 9.5%, women: 26.1%) for IDH, and 24.1% (men: 12.5%, women: 35.2%) for SDH. Among those with MS, 24.1% (men: 20.9%, women: 25.2%) had ISH, 8.0% (men: 7.5%, women: 8.2%) had IDH, and 67.8% (men: 71.5%, women: 66.7%) had SDH.
Conclusions: SDH was the most prevalent hypertensive subtype; however, the prevalence of MS was similar in persons with ISH or SDH. Additionally, the high frequency of SDH in the hypertensive population made SDH the most common hypertensive subtype in persons with MS