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Genetic forms and pathophysiology of essential arterial hypertension in minor indigenous peoples of Russia.

ABSTRACT: BACKGROUND:To study the genetic forms and pathophysiology of arterial hypertension by evaluating plasma renin activity in the Shors, minor indigenous peoples inhabiting the south of Western Siberia. METHODS:A single-stage study of indigenous (the Shors) and non-indigenous peoples living in the villages of Gornaya Shoria of the Kemerovo region in the south of Western Siberia was conducted in the period from 2013 to 2017. One thousand four hundred nine adults (901 Shors and 508 non-indigenous inhabitants) were recruited in the study using a continuous sampling plan. Arterial blood pressure was measured according to 2018 ESC/ESH guidelines for the management of arterial hypertension. All the respondents underwent clinical and instrumental examination. Plasma renin activity was determined by enzyme-linked immunoassay with the BRG kits (Germany). Polymorphisms of ACE (I/D, rs 4340), ?GT (c.803?T?>?C, rs699), AGTR1 (?1166?, rs5186), ADRB1 (?.145A?>?G, Ser49Gly, rs1801252) and ADRA2B (I/D, rs 28,365,031) genes were tested using polymerase chain reaction. RESULTS:Renin-dependent hypertensive patients prevailed in both ethnic groups (65.6% in the indigenous group vs. 89.8% in the non-indigenous group, p?=?0.001). Prevalence of a volume-dependent AH was low in both groups (34.4% in the indigenous group vs. 10.2% in the non-indigenous group, ??=?0.001). The D/D and ?/? genotypes of the ??? [OR?=?6.97; 95% CI (1.07-55.58)] and AGT [OR?=?3.53; 95% CI (1.02-12.91)] genes were associated with the renin-dependent AH in the Shors. The C/C genotype of AGTR1 gene was found to predispose to the volume-dependent AH [OR?=?5.25; 95% CI (1.03-27.89)]. The C/C genotype of AGTR1 gene was associated with moderate or high renin levels suggesting essential AH in the non-indigenous group [OR?=?5.00; 95% CI (1.21-22.30), ??=?0.029]. CONCLUSION:An in-depth understanding of AH pathophysiology and its genetic forms ensures the optimal choice of blood pressure-lowering treatment and optimizes AH control.

SUBMITTER: Mulerova T

PROVIDER: S-EPMC7158150 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Genetic forms and pathophysiology of essential arterial hypertension in minor indigenous peoples of Russia.

Mulerova Tatyana T Uchasova Evgenya E Ogarkov Michael M Barbarash Olga O

BMC cardiovascular disorders 20200415 1

<h4>Background</h4>To study the genetic forms and pathophysiology of arterial hypertension by evaluating plasma renin activity in the Shors, minor indigenous peoples inhabiting the south of Western Siberia.<h4>Methods</h4>A single-stage study of indigenous (the Shors) and non-indigenous peoples living in the villages of Gornaya Shoria of the Kemerovo region in the south of Western Siberia was conducted in the period from 2013 to 2017. One thousand four hundred nine adults (901 Shors and 508 non- ...[more]

PMID: 32293282

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Project description:To estimate the prevalence, awareness, treatment and control of arterial hypertension among adult inhabitants of Krasnoyarsk Krai using the data from Russian multicenter epidemiological study ESSE-RF (Epidemiological Survey of cardiovascular diSEases in different regions of the Russian Federation).The study included 1603 subjects 25 to 64 years old selected by means of systemic multistage stratified randomization among urban and rural inhabitants of Krasnoyarsk Krai recruited between February 2014 and June 2014. Office blood pressure (BP) was measured twice with "Omron" automated BP device on the right arm in the sitting position in presence of medical personnel. Arterial hypertension (HTN) was defined as systolic BP of at least 140 mmHg and/or diastolic BP of at least 90 mmHg or self-reported previous elevated BP registration or use of antihypertensive treatment. Treatment efficacy was defined as percentage of patients achieved the target BP level among those who received antihypertensive medications, and HTN control as percentage of people achieved the target BP level among all hypertensives.The gender distribution was 652 males (39.4%) and 951 females (60.6%). The average level of systolic BP was 133.4 ± 0.5 mmHg, diastolic BP - 82.9 ± 0.3 mmHg. The average prevalence of HTN was estimated at 49.4% and appeared to be higher than similar parameter based on the data of 10 regions from the ESSE-RF study (44%). The average prevalence of HTN was estimated at 56.3% in males and 43.7% in females. The HTN prevalence in rural community was significantly higher in comparison with urban community (63.4 ± 2.4 vs. 44.2 ± 1.5%, p < 0.01). The average rate of HTN awareness in Krasnoyarsk Krai was 77.9% (average Russian value from ESSE-RF study was 73.1%). The average use of antihypertensive treatment, its efficacy and HTN control in Krasnoyarsk Krai were estimated at 59.5%, 31.6% and 18.8%, respectively.Estimated prevalence of HTN in Krasnoyarsk Krai is higher than the average Russian parameter. The average HTN prevalence among men is higher than in women. The rural inhabitants are more likely to have hypertension compared with urban inhabitants. Despite high levels of HTN awareness and antihypertensive medication intake, the antihypertensive treatment efficacy in Krasnoyarsk Krai appeared to be lower in comparison with average Russian ESSE-RF values.

Project description:BACKGROUND:Suicide is the second leading cause of death among adolescents worldwide, and is a major driver of health inequity among Indigenous people in high-income countries. However, little is known about the burden of suicide among Indigenous populations in low- and middle-income nations, and no synthesis of the global data is currently available. Our objective was to examine the global incidence of suicide among Indigenous peoples and assess disparities through comparisons with non-Indigenous populations. METHODS:We conducted a systematic review of suicide rates among Indigenous peoples worldwide and assessed disparities between Indigenous and non-Indigenous populations. We performed text word and Medical Subject Headings searches in PubMed, MEDLINE, Embase, Cumulative Index of Nursing and Allied Health (CINAHL), PsycINFO, Latin American and Caribbean Health Sciences Literature (LILACS), and Scientific Electronic Library Online (SciELO) for observational studies in any language, indexed from database inception until June 1, 2017. Eligible studies examined crude or standardized suicide rates in Indigenous populations at national, regional, or local levels, and examined rate ratios for comparisons to non-Indigenous populations. RESULTS:The search identified 13,736 papers and we included 99. Eligible studies examined suicide rates among Indigenous peoples in 30 countries and territories, though the majority focused on populations in high-income nations. Results showed that suicide rates are elevated in many Indigenous populations worldwide, though rate variation is common, and suicide incidence ranges from 0 to 187.5 suicide deaths per 100,000 population. We found evidence of suicide rate parity between Indigenous and non-Indigenous populations in some contexts, while elsewhere rates were more than 20 times higher among Indigenous peoples. CONCLUSIONS:This review showed that suicide rates in Indigenous populations vary globally, and that suicide rate disparities between Indigenous and non-Indigenous populations are substantial in some settings but not universal. Including Indigenous identifiers and disaggregating national suicide mortality data by geography and ethnicity will improve the quality and relevance of evidence that informs community, clinical, and public health practice in Indigenous suicide prevention.

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Genetic forms and pathophysiology of essential arterial hypertension in minor indigenous peoples of Russia.

Publications

Genetic forms and pathophysiology of essential arterial hypertension in minor indigenous peoples of Russia.

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