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Journal of the American Heart... Oct 2020Background Nonpharmacologic interventions that modify lifestyle can lower blood pressure (BP) and have been assessed in numerous randomized controlled trials and... (Meta-Analysis)
Meta-Analysis
Background Nonpharmacologic interventions that modify lifestyle can lower blood pressure (BP) and have been assessed in numerous randomized controlled trials and pairwise meta-analyses. It is still unclear which intervention would be most efficacious. Methods and Results Bayesian network meta-analyses were performed to estimate the comparative effectiveness of different interventions for lowering BP. From 60 166 potentially relevant articles, 120 eligible articles (14 923 participants) with a median follow-up of 12 weeks, assessing 22 nonpharmacologic interventions, were included. According to the surface under the cumulative ranking probabilities and Grading of Recommendations Assessment, Development and Evaluation (GRADE) quality of evidence, for adults with prehypertension to established hypertension, high-quality evidence indicated that the Dietary Approach to Stop Hypertension (DASH) was superior to usual care and all other nonpharmacologic interventions in lowering systolic BP (weighted mean difference, 6.97 mm Hg; 95% credible interval, 4.50-9.47) and diastolic BP (weighted mean difference, 3.54 mm Hg; 95% credible interval, 1.80-5.28). Compared with usual care, moderate- to high-quality evidence indicated that aerobic exercise, isometric training, low-sodium and high-potassium salt, comprehensive lifestyle modification, breathing-control, and meditation could lower systolic BP and diastolic BP. For patients with hypertension, moderate- to high-quality evidence suggested that the interventions listed (except comprehensive lifestyle modification) were associated with greater systolic BP and diastolic BP reduction than usual care; salt restriction was also effective in lowering both systolic BP and diastolic BP. Among overweight and obese participants, low-calorie diet and low-calorie diet plus exercise could lower more BP than exercise. Conclusions DASH might be the most effective intervention in lowering BP for adults with prehypertension to established hypertension. Aerobic exercise, isometric training, low-sodium and high-potassium salt, comprehensive lifestyle modification, salt restriction, breathing-control, meditation and low-calorie diet also have obvious effects on BP reduction.
Topics: Comparative Effectiveness Research; Diet Therapy; Diet, Sodium-Restricted; Exercise; Humans; Hypertension; Prehypertension; Risk Reduction Behavior
PubMed: 32975166
DOI: 10.1161/JAHA.120.016804 -
JAMA Pediatrics Dec 2019Reliable estimates of the prevalence of childhood hypertension serve as the basis for adequate prevention and treatment. However, the prevalence of childhood... (Meta-Analysis)
Meta-Analysis
IMPORTANCE
Reliable estimates of the prevalence of childhood hypertension serve as the basis for adequate prevention and treatment. However, the prevalence of childhood hypertension has rarely been synthesized at the global level.
OBJECTIVE
To conduct a systematic review and meta-analysis to assess the prevalence of hypertension in the general pediatric population.
DATA SOURCES
PubMed, MEDLINE, Embase, Global Health, and Global Health Library were searched from inception until June 2018, using search terms related to hypertension (hypertension OR high blood pressure OR elevated blood pressure), children (children OR adolescents), and prevalence (prevalence OR epidemiology).
STUDY SELECTION
Studies that were conducted in the general pediatric population and quantified the prevalence of childhood hypertension were eligible. Included studies had blood pressure measurements from at least 3 separate occasions.
DATA EXTRACTION AND SYNTHESIS
Two authors independently extracted data. Random-effects meta-analysis was used to derive the pooled prevalence. Variations in the prevalence estimates in different subgroups, including age group, sex, setting, device, investigation period, BMI group, World Health Organization region and World Bank region, were examined by subgroup meta-analysis. Meta-regression was used to establish the age-specific prevalence of childhood hypertension and to assess its secular trend.
MAIN OUTCOMES AND MEASURES
Prevalence of childhood hypertension overall and by subgroup.
RESULTS
A total of 47 articles were included in the meta-analysis. The pooled prevalence was 4.00% (95% CI, 3.29%-4.78%) for hypertension, 9.67% (95% CI, 7.26%-12.38%) for prehypertension, 4.00% (95% CI, 2.10%-6.48%) for stage 1 hypertension, and 0.95% (95% CI, 0.48%-1.57%) for stage 2 hypertension in children 19 years and younger. In subgroup meta-analyses, the prevalence of childhood hypertension was higher when measured by aneroid sphygmomanometer (7.23% vs 4.59% by mercury sphygmomanometer vs 2.94% by oscillometric sphygmomanometer) and among overweight and obese children (15.27% and 4.99% vs 1.90% among normal-weight children). A trend of increasing prevalence of childhood hypertension was observed during the past 2 decades, with a relative increasing rate of 75% to 79% from 2000 to 2015. In 2015, the prevalence of hypertension ranged from 4.32% (95% CI, 2.79%-6.63%) among children aged 6 years to 3.28% (95% CI, 2.25%-4.77%) among those aged 19 years and peaked at 7.89% (95% CI, 5.75%-10.75%) among those aged 14 years.
CONCLUSIONS AND RELEVANCE
This study provides a global estimation of childhood hypertension prevalence based on blood pressure measurements in at least 3 separate visits. More high-quality epidemiologic investigations on childhood hypertension are still needed.
Topics: Child; Global Health; Humans; Hypertension; Prevalence
PubMed: 31589252
DOI: 10.1001/jamapediatrics.2019.3310 -
Reviews in Cardiovascular Medicine Jan 2022Despite considerable advances in pharmacological treatments, hypertension remains a major cause of premature morbidity and mortality worldwide since elevated blood... (Review)
Review
Despite considerable advances in pharmacological treatments, hypertension remains a major cause of premature morbidity and mortality worldwide since elevated blood pressure (BP) adversely influences cardiovascular and renal outcomes. Accordingly, the current hypertension guidelines recommend the adoption of dietary modifications in all subjects with suboptimal BP levels. These modifications include salt intake reduction and a healthy diet, such as the Dietary Approaches to Stop Hypertension (DASH) diet or the Mediterranean diet (MedDiet), independently of the underlying antihypertensive drug treatment. However, dietary modifications for BP reduction in adults with prehypertension or hypertension are usually examined as stand-alone interventions and, to a lesser extent, in combination with other dietary changes. The purpose of the present review was to summarize the evidence regarding the BP effect of salt restriction in the context of the DASH diet and the MedDiet. We also summarize the literature regarding the effects of these dietary modifications when they are applied as the only intervention for BP reduction in adults with and without hypertension and the potent physiological mechanisms underlying their beneficial effects on BP levels. Available data of randomized controlled trials (RCTs) provided evidence about the significant BP-lowering effect of each one of these dietary strategies, especially among subjects with hypertension since they modulate various physiological mechanisms controlling BP. Salt reduction by 2.3 g per day in the DASH diet produces less than half of the effect on systolic blood pressure (SBP)/diastolic blood pressure (DBP) (-3.0/-1.6 mmHg) as it does without the DASH diet (-6.7/-3.5 mmHg). Although their combined effect is not fully additive, low sodium intake and the DASH diet produce higher SBP/DBP reduction (-8.9/-4.5 mmHg) than each of these dietary regimens alone. It is yet unsettled whether this finding is also true for salt reduction in the MedDiet.
Topics: Adult; Blood Pressure; Diet, Mediterranean; Diet, Sodium-Restricted; Dietary Approaches To Stop Hypertension; Humans; Hypertension; Sodium Chloride, Dietary
PubMed: 35092228
DOI: 10.31083/j.rcm2301036 -
Kardiologia Polska Aug 2020Dietary modification is one of the cornerstones in the treatment of arterial hypertension (AH). Current American and European guidelines recommend people to ingest... (Review)
Review
Dietary modification is one of the cornerstones in the treatment of arterial hypertension (AH). Current American and European guidelines recommend people to ingest fruit, vegetables, whole grains, and low‑fat dairy products as well as to decrease the consumption of red meat, sugar, and trans fats. This review aimed to summarize available evidence on dietary patterns associated with lower blood pressure (BP). Research has shown that the Dietary Approach to Stop Hypertension (DASH) diet can lower BP equally effectively or even more significantly than some antihypertensive drugs. The Mediterranean diet also leads to a considerable reduction in BP. Vegans and vegetarians have been shown to have a lower prevalence of AH than omnivores. Caloric restriction may decrease BP in normotensive, prehypertensive, and hypertensive populations. Blood pressure can also be lowered by certain nutraceuticals (such as beetroot juice, magnesium, vitamin C, catechin‑rich beverages, or soy isoflavones). Diet effects on BP are mediated by body weight loss, amelioration of inflammation, increased insulin sensitivity, and antihypertensive properties of some individual nutrients. There is robust evidence that vegetarian and vegan diets have the ability to reduce BP. The presence of the so-called floor effect makes these diets usable in normo- and prehypertensive people at high risk of developing AH. However, the dietary and nutraceutical approach to BP lowering cannot substitute drug treatment when the latter is needed.
Topics: Antihypertensive Agents; Blood Pressure; Diet; Dietary Supplements; Humans; Hypertension
PubMed: 32631027
DOI: 10.33963/KP.15468 -
Experimental Gerontology Jun 2023The chronic antihypertensive effect of resistance training (RT) has been widely recognized in mixed-aged populations. However, the specific effect of RT on blood... (Meta-Analysis)
Meta-Analysis Review
The chronic antihypertensive effect of resistance training (RT) has been widely recognized in mixed-aged populations. However, the specific effect of RT on blood pressure (BP) in older individuals (≥60 years) remains unknown. Therefore, this meta-analysis of randomized controlled trials explored the chronic effects of dynamic RT alone on BP in older people. The study followed the PRISMA statement, and the search was performed using MeSH terms "strength training", "blood pressure" and "aged" on MEDLINE (PubMed), SCOPUS, and Web of Science databases. From 1783 potential articles, 24 studies met all inclusion criteria resulting in 835 participants randomized into 26 RT interventions (n = 430) and 24 control groups (n = 405). Overall, BP reduction favoring RT was observed both in SBP (-6.88 [-10.02, -3.73] mmHg) and DBP (-3.37 [-4.71, -2.22] mmHg). Subgroup analysis revealed BP decreases in both participants with hypertension (SBP: -10.42 [-15.67, -5.17]; DBP: -3.99 [-5.76,-2.22] mmHg), and prehypertension (SBP: -4.87 [-7.76, -1.98]; DBP: -2.77 [-4.88, -0.66] mmHg). Improvement in BP was found in studies using traditional RT (free weights and machines) (SBP: -7.04 [-11.04, -3.05]; DBP: -2.60 [-3.72, -1.47] mmHg) and elastic band interventions (SBP: -2.79 [-3.72, -1.86]; DBP:-1.68 [-3.18, -0.18] mmHg). RT performed at moderate intensity (60-80 % 1RM) reduced SBP (-6.98, [-11.93, -2.03]mmHg) and DBP (-3.64 [-5.11, -2.18] mmHg). In conclusion, RT can reduce BP in older people at prehypertensive and hypertensive stage, with traditional RT performed with moderate loads leading to an effect estimate of approximately -7 mmHg for SBP and -4 mmHg for DBP.
Topics: Humans; Aged; Prehypertension; Resistance Training; Hypertension; Blood Pressure; Antihypertensive Agents
PubMed: 37121334
DOI: 10.1016/j.exger.2023.112193 -
Scientific Reports May 2020Endothelial dysfunction is a characteristic of systemic arterial hypertension (SAH) and an early marker of atherosclerosis. Aerobic exercise training (AT) improves... (Randomized Controlled Trial)
Randomized Controlled Trial
Different exercise training modalities produce similar endothelial function improvements in individuals with prehypertension or hypertension: a randomized clinical trial Exercise, endothelium and blood pressure.
Endothelial dysfunction is a characteristic of systemic arterial hypertension (SAH) and an early marker of atherosclerosis. Aerobic exercise training (AT) improves endothelial function. However, the effects of resistance training (RT) and combined training (CT) on endothelial function remain controversial in individuals with SAH. We determined the effects of AT, RT, and CT on endothelial function and systolic (SBP)/diastolic blood pressure (DBP) in individuals with prehypertension or hypertension. Forty-two participants (54 ± 11 y, resting SBP/DBP 137 ± 9/86 ± 6 mmHg) were randomly allocated into AT (n = 14, 40 min of cycling, 50-75% heart rate reserve), RT (n = 14, 6 resistance exercises, 4 × 12 repetitions, 60% maximum strength) and CT (n = 14, 2 × 12 repetitions of RT + 20 min of AT). All participants performed a 40-minute exercise session twice a week for 8 weeks. Endothelial function was evaluated by brachial artery flow-mediated dilation (FMD). Blood pressure was evaluated through ambulatory monitoring for 24 hours. After 8 weeks of exercise training, blood pressure was reduced in all 3 groups: -5.1 mmHg in SBP (95%CI -10.1, 0.0; p = 0.003) in AT; -4.0 mmHg in SBP (95%CI -7.8, -0.5; p = 0.027) in RT; and -3.2 mmHg in DBP (95%CI -7.9, 1.5; p = 0.001) in CT. All 3 exercise training modalities produced similar improvements in FMD: + 3.2% (95%CI 1.7, 4.6) (p < 0.001) in AT; + 4.0% (95%CI 2.1, 5.7) (p < 0.001) in RT; and +6.8% (95%CI 2.6, 11.1) (p = 0.006) in CT. In conclusion, different exercise training modalities were similarly effective in improving endothelial function but impacts on ambulatory blood pressure appear to be variable in individuals with prehypertension or hypertension.
Topics: Blood Pressure; Endothelium, Vascular; Exercise; Female; Humans; Hypertension; Male; Middle Aged; Prehypertension; Resistance Training
PubMed: 32376984
DOI: 10.1038/s41598-020-64365-x -
Environmental Health Perspectives Jan 2023The associations between air pollution exposure and morbidity and mortality of cardiovascular diseases (CVDs) have been widely reported; however, evidence on such...
BACKGROUND
The associations between air pollution exposure and morbidity and mortality of cardiovascular diseases (CVDs) have been widely reported; however, evidence on such associations across different dynamic disease trajectories remain unknown.
OBJECTIVE
We examined whether ambient air pollution during the prehypertension (pre-HTN) stage could aggravate the progression from hypertension (HTN) to CVD, and consequent death.
METHODS
A total of 168,010 adults with pre-HTN ( systolic blood pressure or diastolic blood pressure) from the UK Biobank were included in this analysis. We used a multistate model to explore the associations between five air pollutants (, absorbance, , , and ) and the risk of six disease transitions (from pre-HTN to HTN, from pre-HTN to CVD, from pre-HTN to death, from HTN to CVD, from HTN to death, and from CVD to death). Mediation analyses were further conducted to explore the role of intermediate diseases in the dynamic progression of CVDs.
RESULTS
During a median follow-up of 12 y, 13,743 (8.18%) of participants with pre-HTN developed HTN, whereas 12,825 (7.63%) and 4,467 (2.66%) directly developed CVD or died, respectively. Air pollution was positively associated with the dynamic disease progression. For example, a per-interquartile range increase of was significantly associated with the hazard ratios (HRs) of 1.105 [95% confidence intervals (CI): 1.083, 1.127], 1.045 (95% CI: 1.022, 1.068), and 1.086 (95% CI: 1.047, 1.126) in the transition from pre-HTN to HTN, CVD, and death, respectively. Higher levels of air pollution were associated with increased transition probability of disease progression. Mediation analyses indicated that intermediate diseases subsequently significantly mediated air pollutant-associated risk to develop more serious disease.
CONCLUSIONS
This study provides evidence that air pollution might play a role in the early stages of CVD progression. Controlling air pollution might be an effective measure to prevent CVD progression and reduce the disease burden of CVD. https://doi.org/10.1289/EHP10967.
Topics: Adult; Humans; Cardiovascular Diseases; Prehypertension; Biological Specimen Banks; Particulate Matter; Air Pollution; Hypertension; Air Pollutants; United Kingdom; Disease Progression; Environmental Exposure
PubMed: 36696106
DOI: 10.1289/EHP10967 -
International Journal of Environmental... Mar 2021: Hypertension is among the most important risk factors for cardiovascular diseases, which are considered high mortality risk medical conditions. To date, several... (Meta-Analysis)
Meta-Analysis Review
: Hypertension is among the most important risk factors for cardiovascular diseases, which are considered high mortality risk medical conditions. To date, several studies have reported positive effects of mindfulness-based stress reduction (MBSR) interventions on physical and psychological well-being in other medical conditions, but no meta-analysis on MBSR programs for hypertension has been conducted. Objectives: The objective of this study was to determine the effectiveness of MBSR programs for hypertension. : A systematic review and meta-analysis of randomized controlled trials examining the effects of MBSR on systolic and diastolic blood pressure (BP), anxiety, depression, and perceived stress in people with hypertension or pre-hypertension was conducted. The PubMed/MEDLINE and PsycINFO databases were searched in November 2020 to identify relevant studies. : Six studies were included. The comparison of MBSR versus control conditions on diastolic BP was associated with a statistically significant mean effect size favoring MBSR over control conditions ( = -2.029; 95% confidence interval (CI): -3.676 to -0.383, = 0.016, = 6; 22 effect sizes overall), without evidence of heterogeneity ( = 0.000%). The comparison of MBSR versus control conditions on systolic BP was associated with a mean effect size which was statistically significant only at a marginal level ( = -3.894; 95% CI: -7.736-0.053, = 0.047, = 6; 22 effect sizes overall), without evidence of high heterogeneity ( = 20.772%). The higher the proportion of participants on antihypertensive medications was, the larger the effects of MBSR were on systolic BP ( = -0.750, = -2.73, = 0.003). : MBSR seems to be a promising intervention, particularly effective on the reduction of diastolic BP. More well-conducted trials are required.
Topics: Anxiety; Blood Pressure; Humans; Hypertension; Mindfulness; Stress, Psychological
PubMed: 33799828
DOI: 10.3390/ijerph18062882 -
Journal of Clinical Hypertension... Feb 2021Prevalence of pre-hypertension is higher among young adults and may increase the risk for hypertension and cardiovascular morbidity. Music therapy has been investigated... (Randomized Controlled Trial)
Randomized Controlled Trial
Prevalence of pre-hypertension is higher among young adults and may increase the risk for hypertension and cardiovascular morbidity. Music therapy has been investigated to reduce the blood pressure in the hypertensive population; however, its efficacy on blood pressure in pre-hypertensive young adults is not known. Thirty pre-hypertensive (systolic blood pressure [SBP] = 120-139 mmHg and diastolic blood pressure [DBP] = 80-89 mmHg) young adults were recruited and randomly assigned into two groups. Music group (N = 15) received music therapy by passive listening to music for 30 minutes/day, 5 days/week for 4 weeks, along with Dietary Approaches to Stop Hypertension (DASH) eating plan (a diet rich in fruits and vegetables, low-fat dairy or unsaturated fat) and limit the daily sodium intake less than 100 mmol/day. The control group (N = 15) practiced only DASH eating plan and sodium restriction. The SBP, DBP, and heart rate (HR) were measured before and after 4 weeks of intervention. There was a significant reduction in SBP (8.73 mmHg, p < .001) and HR (6.42 beats/minute, p = .002); however, the reduction in DBP (1.44 mmHg, p = .101) was not statistically significant in the music group. Control group did not exhibit any significant reduction in SBP (0.21 mmHg, p < .836), DBP (0.81 mmHg, p < .395) and HR (0.09 beats/minute, p < .935). In conclusion, music therapy reduced significantly SBP and HR suggesting that it could be a promising tool to prevent the progression of pre-hypertension toward hypertension among young adults.
Topics: Blood Pressure; Dietary Approaches To Stop Hypertension; Heart Rate; Humans; Hypertension; Music; Prehypertension; Young Adult
PubMed: 33347732
DOI: 10.1111/jch.14126