• Arch Iran Med · Apr 2021

    Levels and Trends of Hypertension at National and Subnational Scale in Iran from 1990 to 2016: A Systematic Review and Pooled Analysis.

    • Sadaf G Sepanlou, Parinaz Mehdipour, Ali Ghanbari, Shirin Djalalinia, Niloofar Peykari, Amir Kasaeian, Nazila Rezaei, Bagher Larijani, Reza Malekzadeh, and Farshad Farzadfar.
    • Digestive Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
    • Arch Iran Med. 2021 Apr 1; 24 (4): 306-316.

    BackgroundRaised blood pressure is a serious risk factor for several non-communicable diseases (NCDs) in Iran. In this study, we aimed to estimate the mean of systolic blood pressure (SBP) and diastolic blood pressure (DBP) and subsequently, the prevalence of hypertension by sex, age, province, and year in Iran.MethodsWe conducted a systematic review using PubMed, Web of Science, and Scopus databases through December 2017. We also used individual level data from eight national surveys, aggregated data from seven subnational population-based studies, and extracted data reported in 52 published studies. We used a two-stage model including Age-Spatio-Temporal and Gaussian process regression (GPR) to estimate mean systolic and diastolic blood pressure and used a crosswalk model to estimate the prevalence of hypertension by sex, age, province, and year.ResultsThe number of hypertensive adults increased in Iran from 1.8 million (882 thousand in women) in 1990 to 13.6 million (7.2 million in women) in 2016. The national age-standardized prevalence of hypertension increased from 8.7% (7.8-9.7) to 28.8% (27.7-30.0) in women and from 8.0% (7.2-8.9) to 24.2% (23.1-25.3) in men from 1990 to 2016. Mean systolic and diastolic blood pressures show a similar increasing trend.ConclusionDuring the past 27 years, we observed an increase in the age-standardized prevalence and mean levels of blood pressure. If the current trend in levels of blood pressure and prevalence of hypertension continue in the coming years, Iran will not achieve the sixth target of the Global Action Plan by 2020 and the Sustainable Development Goals (SDGs) by 2030.© 2021 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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