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      Knowledge, Treatment, Control, and Risk Factors for Hypertension among Adults in Southern Iran

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          Abstract

          Hypertension is the first and the most common risk factor to diseases such as cardiovascular, stroke, and renal diseases. The aim of this study was to determine the factors relevant to hypertension knowledge, treatment, and control in southern Iran. In this cross-sectional study, conducted in Kohgiluye Boyer-Ahmad province, south of Iran, a total of 1836 hypertension patients were randomly selected to participate voluntarily in the study. Hypertension treatment and its control were defined during study. In addition, knowledge about hypertension was measured by hypertension knowledge level scale (HK-LS). Treatment rates were 75.5 and 37.7 percent for female and male, respectively. Habitat, education, income, family history with hypertension, smoking, and time of diagnosis to the disease were found to be related to the treatment of the disease. Control rates were 30.7 and 31.4 for males and females, respectively. Habitat, education, and time of diagnosis to the disease were related to control. Over 50 percent of patients had average knowledge on hypertension. Considering the low rate of control and knowledge on hypertension among patients, health care providers should reinforce their services to improve appropriate knowledge level among elders and, also, plan comprehensive programs to promote health in order to encourage patients change and reform their life style.

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          Hypertension prevalence and blood pressure levels in 6 European countries, Canada, and the United States.

          Geographic variations in cardiovascular disease (CVD) and associated risk factors have been recognized worldwide. However, little attention has been directed to potential differences in hypertension between Europe and North America. To determine whether higher blood pressure (BP) levels and hypertension are more prevalent in Europe than in the United States and Canada. Sample surveys that were national in scope and conducted in the 1990s were identified in Germany, Finland, Sweden, England, Spain, Italy, Canada, and the United States. Collaborating investigators provided tabular data in a consistent format by age and sex for persons at least 35 years of age. Population registries were the main basis for sampling. Survey sizes ranged from 1800 to 23 100, with response rates of 61% to 87.5%. The data were analyzed to provide age-specific and age-adjusted estimates of BP and hypertension prevalence by country and region (eg, European vs North American). Blood pressure levels and prevalence of hypertension in Europe, the United States, and Canada. Average BP was 136/83 mm Hg in the European countries and 127/77 mm Hg in Canada and the United States among men and women combined who were 35 to 74 years of age. This difference already existed among younger persons (35-39 years) in whom treatment was uncommon (ie, 124/78 mm Hg and 115/75 mm Hg, respectively), and the slope with age was steeper in the European countries. For all age groups, BP measurements were lowest in the United States and highest in Germany. The age- and sex-adjusted prevalence of hypertension was 28% in the North American countries and 44% in the European countries at the 140/90 mm Hg threshold. The findings for men and women by region were similar. Hypertension prevalence was strongly correlated with stroke mortality (r = 0.78) and more modestly with total CVD (r = 0.44). Despite extensive research on geographic patterns of CVD, the 60% higher prevalence of hypertension in Europe compared with the United States and Canada has not been generally appreciated. The implication of this finding for national prevention strategies should be vigorously explored.
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            Prevalence, awareness, treatment, and control of hypertension in China: data from the China National Nutrition and Health Survey 2002.

            The present article aims to provide accurate estimates of the prevalence, awareness, treatment, and control of hypertension in adults in China. Data were obtained from sphygmomanometer measurements and an administered questionnaire from 141 892 Chinese adults >/=18 years of age who participated in the 2002 China National Nutrition and Health Survey. In 2002, approximately 153 million Chinese adults were hypertensive. The prevalence was higher among men than women (20% versus 17%; P<0.001) and was higher in successive age groups. Overall, the prevalence of hypertension was higher in urban compared with rural areas in men (23% versus 18%; P<0.01) and women (18% versus 16%; P<0.001). Of the 24% affected individuals who were aware of their condition, 78% were treated and 19% were adequately controlled. Despite evidence to suggest improved levels of treatment in individuals with hypertension over the past decade, compared with estimates from 1991, the ratio of controlled to treated hypertension has remained largely unchanged at 1:4. One in 6 Chinese adults is hypertensive, but only one quarter are aware of their condition. Despite increased rates of blood pressure-lowering treatment, few have their hypertension effectively controlled. National hypertension programs must focus on improving awareness in the wider community, as well as treatment and control, to prevent many tens of thousands of cardiovascular-related deaths.
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              Worldwide prevalence of hypertension: a systematic review.

              To examine the prevalence and the level of awareness, treatment and control of hypertension in different world regions. A literature search of the MEDLINE database, using the Medical Subject Headings prevalence, hypertension, blood pressure and cross-sectional studies, was conducted. Published studies, which reported the prevalence of hypertension and were conducted in representative population samples, were included in the review. The search was restricted to studies published from January 1980 through July 2003. All data were extracted independently by two investigators using a standardized protocol and data collection form. The reported prevalence of hypertension varied around the world, with the lowest prevalence in rural India (3.4% in men and 6.8% in women) and the highest prevalence in Poland (68.9% in men and 72.5% in women). Awareness of hypertension was reported for 46% of the studies and varied from 25.2% in Korea to 75% in Barbados; treatment varied from 10.7% in Mexico to 66% in Barbados and control (blood pressure < 140/90 mmHg while on antihypertensive medication) varied from 5.4% in Korea to 58% in Barbados. Hypertension is an important public health challenge in both economically developing and developed countries. Significant numbers of individuals with hypertension are unaware of their condition and, among those with diagnosed hypertension, treatment is frequently inadequate. Measures are required at a population level to prevent the development of hypertension and to improve awareness, treatment and control of hypertension in the community.
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                Author and article information

                Journal
                Int J Hypertens
                Int J Hypertens
                IJHY
                International Journal of Hypertension
                Hindawi Publishing Corporation
                2090-0384
                2090-0392
                2015
                9 December 2015
                : 2015
                : 897070
                Affiliations
                1Social Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
                2Department of Community Medicine, School of Medicine, Yasuj University of Medical Sciences, Yasuj, Iran
                3Department of Health Education and Promotion, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
                Author notes
                *Ahmad Ali Eslami: eslamiaa@ 123456gmail.com

                Academic Editor: Hualiang Lin

                Article
                10.1155/2015/897070
                4689970
                26783454
                776cd50e-8046-4a50-a591-fcc7d51727b5
                Copyright © 2015 Sayed Fazel Zinat Motlagh et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 16 July 2015
                : 22 October 2015
                : 2 November 2015
                Categories
                Research Article

                Cardiovascular Medicine
                Cardiovascular Medicine

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