eISSN: 2450-5722
ISSN: 2450-5927
Journal of Health Inequalities
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2/2016
vol. 2
 
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Letter to the Editor

Hypertension

Tomasz Zdrojewski
1

  1. Department of Hypertension and Diabetology, Medical University of Gdansk, Gdansk, Poland
J Health Inequal 2016; 2 (2): 155–156
Online publish date: 2016/12/30
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According to the World Health Organization (WHO), hypertension is the leading cause of death worldwide accounting for 13% of total number of deaths [1, 2]. In representative research in 40 countries, Kearney et al. [3, 4] estimated that the prevalence of hypertension accounted for 26.5% in 2000 worldwide (972 million people), and by the year 2025, it will increase to 30% (1,650 million people). In recent decades, meta-analyses [5] showed a strong and independent impact of hypertension on increasing risk of coronary heart disease (CHD), stroke, heart failure, peripheral vascular disease, and renal failure. The results of the INTERHEART study [6] conducted in 52 countries worldwide and published 12 years ago, confirmed that beside cigarette smoking, hypertension is the main modifiable risk factor of heart attacks. In turn, Collins and MacMahon [7] based on meta-analyses concluded that the effective treatment of hypertension and reduction of diastolic blood pressure by 5-6 mmHg, decreases the risk of complications of coronary heart disease by 16% and stroke by 38%. In most countries, high prevalence of hypertension, insufficient detection, and low treatment efficacy are the major problems and challenges for public health. A similar situation is observed in Poland. Simultaneously, international organizations (for example WHO, European Union) and scientific societies tend to pay more attention to the problems of health inequalities arising from the social factors such as education level, place of residence, and employment. Those inequalities are expressed as significant differences in the prevalence and control of hypertension in various social groups. Therefore, the fact that such analyses are held in Poland should be assessed positively.
Nationwide research conducted in representative samples of Polish adult population (NATPOL 1997, 2002, 2011; WOBASZ 2003-2006; WOBASZ II 2013-2014; POLSENIOR 2007-2011) [8-10] has provided a good knowledge of the epidemiology of hypertension, in comparison with other countries. The prevalence of hypertension in Poland, evaluated based on current diagnostic criteria ESC/ ESH and PTNT (which includes two separated visits with two blood pressure measurements at each visit), accounts for 33% of adults aged of 80 years (37% in men, 29% in women; p < 0.05) in the general population; including the oldest people is approximately 35-40% [11]. The prevalence of hypertension in Poland, as in other countries, significantly...


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