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      A interdisciplinaridade como estratégia na prevenção da hipertensão arterial sistêmica em crianças: uma revisão sistemática Translated title: Interdisciplinarity as a strategy for the prevention of systemic arterial hypertension in children: a systematic review

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          Abstract

          Resumo Foram avaliadas, sistematicamente, pesquisas que desenvolveram ações interdisciplinares em escolas, visando modificar os níveis de pressão arterial ou o consumo de sal e/ou sódio por crianças. Foram incluídos estudos disponíveis nas bases de dados PubMed, ScienceDirect e Lilacs, associando-se as palavras-chave: intervention study, nutrition intervention, school children, school health, blood pressure, sodium e salt. A busca incluiu artigos em português, inglês e espanhol dos últimos 15 anos que tiveram como participantes crianças pré-escolares ou escolares. Com relação à mudança nos níveis de pressão arterial, foram identificados sete trabalhos com resultados positivos e significativos e seis que não apresentaram alteração. Quanto à modificação na ingestão de alimentos com alto teor de sal e/ou sódio, quatro trabalhos apresentaram resultados positivos e significativos e um sem sucesso. Concluiu-se que as intervenções que utilizam educação nutricional combinadas com atividade física predominam na literatura. Sendo que estas ações demonstraramse mais efetivas quando realizadas por um período longo de tempo.

          Translated abstract

          Abstract Researches that developed interdisciplinary actions in schools seeking to modify the arteial pressure levels or salt and/or sodium consumption by children were analyzed. Studies available on the PubMed, ScienceDirect and Lilacs databases, associating the keywords: intervention study, nutrition intervention, schoolchildren, school health, blood pressure, sodium and salt were included. The research included articles from the last 15 years, in Portuguese, English and Spanish, which had preschool or school children as participants. With respect to the change of the blood pressure levels, 7 studies with positive and significant results and 6 without variation were identified. In terms of modification of the ingestion of food with high salt and/or sodium content, 4 studies revealed positive and significant results, and only one was unsuccessful. The conclusions drawn are that the interventions that use nutritional education combined with physical activities prevail in the literature. However, these actions proved to be more effective when implemented over a long period of time.

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          Improvement of early vascular changes and cardiovascular risk factors in obese children after a six-month exercise program.

          The present study aimed to assess the effect of a 6-month exercise program in obese children on flow-mediated vasodilation (FMD) carotid intima-media thickness (IMT) and cardiovascular risk factors (RF). Childhood obesity contributes to adult obesity and subsequent cardiovascular disease. Physical inactivity is a major RF for obesity, endothelial dysfunction, and elevated carotid IMT, culminating in early atherosclerotic disease. Sixty-seven obese subjects (age 14.7 +/- 2.2 years) were randomly assigned to 6 months' exercise or non-exercise protocol. We examined the influence of exercises (1 h, 3 times/week) on FMD, IMT, and cardiovascular risk profile. Compared with lean control subjects, obese children demonstrated at baseline significantly impaired FMD (4.09 +/- 1.76% vs. 10.65 +/- 1.95%, p < 0.001), increased IMT (0.48 +/- 0.08 mm vs. 0.37 +/- 0.05 mm, p < 0.001), and a number of obesity-related cardiovascular RF. Significant improvements were observed in the exercise group for IMT (0.44 +/- 0.08 mm, p = 0.012, -6.3%) and FMD (7.71 +/- 2.53%, p < 0.001, +127%). This improvement correlated with reduced RF, such as body mass index standard deviation scores, body fat mass, waist/hip ratio, ambulatory systolic blood pressure, fasting insulin, triglycerides, low-density lipoprotein/high-density lipoprotein ratio, and low-degree inflammation (C-reactive protein, fibrinogen). The present study documented increased IMT, impaired endothelial function, and various elevated cardiovascular RF in young obese subjects. Regular exercise over 6 months restores endothelial function and improves carotid IMT associated with an improved cardiovascular risk profile in obese children.
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            Sodium intake and blood pressure among US children and adolescents.

            To assess the association between usual dietary sodium intake and blood pressure among US children and adolescents, overall and by weight status. Children and adolescents aged 8 to 18 years (n = 6235) who participated in NHANES 2003-2008 comprised the sample. Subjects' usual sodium intake was estimated by using multiple 24-hour dietary recalls. Linear or logistic regression was used to examine association between sodium intake and blood pressure or risk for pre-high blood pressure and high blood pressure (pre-HBP/HPB). Study subjects consumed an average of 3387 mg/day of sodium, and 37% were overweight/obese. Each 1000 mg per day sodium intake was associated with an increased SD score of 0.097 (95% confidence interval [CI] 0.006-0.188, ∼1.0 mm Hg) in systolic blood pressure (SBP) among all subjects and 0.141 (95% CI: -0.010 to 0.298, ∼1.5 mm Hg) increase among overweight/obese subjects. Mean adjusted SBP increased progressively with sodium intake quartile, from 106.2 mm Hg (95% CI: 105.1-107.3) to 108.8 mm Hg (95% CI: 107.5-110.1) overall (P = .010) and from 109.0 mm Hg (95% CI: 107.2-110.8) to 112.8 mm Hg (95% CI: 110.7-114.9; P = .037) among those overweight/obese. Adjusted odds ratios comparing risk for pre-HBP/HPB among subjects in the highest versus lowest sodium intake quartile were 2.0 (95% CI: 0.95-4.1, P = .062) overall and 3.5 (95% CI: 1.3-9.2, P = .013) among those overweight/obese. Sodium intake and weight status appeared to have synergistic effects on risk for pre-HBP/HPB (relative excess risk for interaction = 0.29 (95% CI: 0.01-0.90, P < .05). Sodium intake is positively associated with SBP and risk for pre-HBP/HPB among US children and adolescents, and this association may be stronger among those who are overweight/obese.
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              The obesity epidemic and its impact on hypertension.

              Global obesity rates have increased steadily in both developed and emerging countries over the past several decades with little signs of slowing down. Over 1.5 billion people worldwide are overweight or obese and over 40 million children under the age of 5 are overweight. Obesity is associated with increased morbidity, disability, and premature mortality from cardiovascular disease, diabetes, cancers, and musculoskeletal disorders. The personal and societal health and economic burden of this preventable disease pose a serious threat to our societies. Obesity is a major risk factor for hypertension and cardiovascular disease. Weight loss, through health behaviour modification and dietary sodium restriction, is the cornerstone in the treatment of obesity-related hypertension. Pharmacotherapy and bariatric surgery for obesity are adjunctive measures when health behaviour interventions fail to achieve the body weight and health targets. Successful management of overweight and obese persons requires a comprehensive, multifaceted framework that integrates population health, public health, and medical health models to dismantle the proximal and distal drivers of the obesogenic environment in which we live. Prevention of obesity is no longer a lofty but rather necessary goal that urgently calls for action from governments at all levels, in conjunction with all public and private sector stakeholders, in order to combat a serious and growing public health concern. Copyright © 2012 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                csc
                Ciência & Saúde Coletiva
                Ciênc. saúde coletiva
                ABRASCO - Associação Brasileira de Saúde Coletiva (Rio de Janeiro, RJ, Brazil )
                1413-8123
                1678-4561
                December 2017
                : 22
                : 12
                : 3987-4000
                Affiliations
                [1] Campo Grande Mato Grosso do Sul orgnameUniversidade Federal de Mato Grosso do Sul Brazil luana_bernardi@ 123456yahoo.com.br
                [2] Guarapuava PR orgnameUniversidade Estadual do Centro Oeste Brasil
                Article
                S1413-81232017021203987
                10.1590/1413-812320172212.09052016
                cf89b056-34f6-44c3-9317-479b74017e61

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 14 May 2015
                : 13 May 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 58, Pages: 14
                Product

                SciELO Brazil


                Hipertensão,Criança,Sódio,Hypertension,Children,Sodium
                Hipertensão, Criança, Sódio, Hypertension, Children, Sodium

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