167 research outputs found

    Risk of End-stage Renal Disease Associated with Alcohol Consumption

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    Alcohol consumption has been linked to kidney disorders in selected patient groups, but whether it contributes to the burden of end-stage renal disease (ESRD) in the general population is unknown. The authors conducted population-based case-control study to asess the realation between alcohol consumption and risk of ESRD. The study took place in Maryland, Virginia, West Virginia, and Washington, DC, in 1991. Participants were 716 patients who had started treatment for ESRD and 361 control subjects of similar age (20-64 years) selected by random digit dialing. The main risk factor of interest was self-reported consumption of alcoholic beverages (frequency of drinking days and number of drinks consumed per drinking day). In univariate analysis, consumption of alcohol exhibited a J-shaped association with risk of ESRD. The J shape disappeared after exclusion of persons who had ever consumed home-distilled whiskey ("moonshine”) and adjustment for age, race, sex, income, history of hypertension, history of diabetes mellitus, use of acetaminophen, use of opiates, and cigarette smoking; however, the odds ratio for ESRD remained significantly increased (odds ratio = 4.0; 95% confidence interval: 1.2, 13.0) among persons who consumed an average of >2 alcoholic drinks per day. The corresponding population attributable risk was 9 percent. Thus, consumption of more than two alcoholic drinks per day, on average, was associated with an increased risk of kidney failure In the general population. A lower intake of alcohol did not appear to be harmful. Because these results are based on self-reports in a case-control study, they should be seen as preliminary. Am J Epidemiol 1999; 150:1275-8

    Lower Sodium Intake and Risk of Headaches: Results From the Trial of Nonpharmacologic Interventions in the Elderly.

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    ObjectivesTo determine the effect of sodium (Na) reduction on occurrence of headaches.MethodsIn the Trial of Nonpharmacologic Interventions in the Elderly, 975 men and woman (aged 60-80 years) with hypertension were randomized to a Na-reduction intervention or control group and were followed for up to 36 months. The study was conducted between 1992 and 1995 at 4 clinical centers (Johns Hopkins University, Wake Forest University School of Medicine, Robert Wood Johnson Medical School, and the University of Tennessee).ResultsMean difference in Na excretion between the Na-reduction intervention and control group was significant at each follow-up visit (P < .001) with an average difference of 38.8 millimoles per 24 hours. The occurrence of headaches was significantly lower in the Na-reduction intervention group (10.5%) compared with control (14.3%) with a hazard ratio of 0.59 (95% confidence interval = 0.40, 0.88; P = .009). The risk of headaches was significantly associated with average level of Na excretion during follow-up, independent of most recent blood pressure. The relationship appeared to be nonlinear with a spline relationship and a knot at 150 millimoles per 24 hours.ConclusionsReduced sodium intake, currently recommended for blood pressure control, may also reduce the occurrence of headaches in older persons with hypertension

    Harmonization of the American College of Cardiology/American Heart Association and European Society of Cardiology/European Society of Hypertension Blood Pressure/Hypertension Guidelines: Comparisons, Reflections, and Recommendations

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    The 2017 American College of Cardiology/American Heart Association and 2018 European Society of Cardiology/European Society of Hypertension clinical practice guidelines for management of high blood pressure/hypertension are influential documents. Both guidelines are comprehensive, were developed using rigorous processes, and underwent extensive peer review. The most notable difference between the 2 guidelines is the blood pressure cut points recommended for the diagnosis of hypertension. There are also differences in the timing and intensity of treatment, with the American College of Cardiology/American Heart Association guideline recommending a somewhat more intensive approach. Overall, there is substantial concordance in the recommendations provided by the 2 guideline-writing committees, with greater congruity between them than their predecessors. Additional harmonization of future guidelines would help to underscore the commonality of their core recommendations and could serve to catalyze changes in practice that would lead to improved prevention, awareness, treatment, and control of hypertension, worldwide

    Alcohol Intake and Blood Pressure Levels: A Dose-Response Meta-Analysis of Nonexperimental Cohort Studies

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    Background: Alcohol consumption may increase blood pressure but the details of the relationship are incomplete, particularly for the association at low levels of alcohol consumption, and no meta-analyses are available for nonexperimental cohort studies. Methods: We performed a systematic search of longitudinal studies in healthy adults that reported on the association between alcohol intake and blood pressure. Our end points were the mean differences over time of systolic (SBP) and diastolic blood pressure (DBP), plotted according to baseline alcohol intake, by using a dose-response 1-stage meta-analytic methodology. Results: Seven studies, with 19 548 participants and a median follow-up of 5.3 years (range, 4-12 years), were included in the analysis. We observed a substantially linear positive association between baseline alcohol intake and changes over time in SBP and DBP, with no suggestion of an exposure-effect threshold. Overall, average SBP was 1.25 and 4.90 mm Hg higher for 12 or 48 grams of daily alcohol consumption, compared with no consumption. The corresponding differences for DBP were 1.14 and 3.10 mm Hg. Subgroup analyses by sex showed an almost linear association between baseline alcohol intake and SBP changes in both men and women, and for DBP in men while in women we identified an inverted U-shaped association. Alcohol consumption was positively associated with blood pressure changes in both Asians and North Americans, apart from DBP in the latter group. Conclusions: Our results suggest the association between alcohol consumption and SBP is direct and linear with no evidence of a threshold for the association, while for DBP the association is modified by sex and geographic location

    Atrial Fibrillation and the Risk of Early‐Onset Dementia: A Systematic Review and Meta‐Analysis

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    BACKGROUNDRecent studies have identified an increased risk of dementia in patients with atrial fibrillation (AF). However, both AF and dementia usually manifest late in life. Few studies have investigated this association in adults with early‐onset dementia. The aim of this study was to investigate the relationship between AF and early‐onset dementia. METHODS AND RESULTSWe searched the PubMed/MEDLINE, Embase, and Scopus databases through April 15, 2022, for studies reporting on the association between AF and dementia in adults aged <70 years, without language restrictions. Two reviewers independently performed the study selection, assessed the risk of bias, and extracted the study data. We performed a meta‐analysis of early‐onset dementia risk according to occurrence of AF using a random‐effects model. We retrieved and screened 1006 potentially eligible studies. We examined the full text of 33 studies and selected the 6 studies that met our inclusion criteria. The pooled analysis of their results showed an increased risk of developing dementia in individuals with AF, with a summary relative risk of 1.50 (95% CI, 1.00–2.26) in patients aged <70 years, and 1.06 (95% CI, 0.55–2.06) in those aged <65 years. CONCLUSIONSIn this systematic review and meta‐analysis, AF was a risk factor for dementia in adults aged <70 years, with an indication of a slight and statistically imprecise excess risk already at ages <65 years. Further research is needed to assess which characteristics of the arrhythmia and which mechanisms play a role in this relationship

    Dissociation of the diurnal variation of aldosterone and cortisol in anephric subjects

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    Dissociation of the diurnal variation of aldosterone and cortisol in anephric subjects. Diurnal variation of plasma aldosterone and cortisol concentration in man was studied in 13 anephric subjects and 7 normal subjects. All subjects were ambulatory and active throughout the study except during an 8-hour sleep period. Six anephric subjects received Kayexalate® (sodium polystyrene sulfonate) during the studies to prevent potassium accumulation and increase in plasma potassium concentration. Diurnal variation of plasma aldosterone concentration with peak and nadir concentrations at 12:00 noon and 12:00 midnight respectively was demonstrated in the studies on normal subjects. Changes in plasma aldosterone concentration were not significantly correlated with changes in plasma cortisol concentration but were highly correlated with changes in PRA (P < 0.001). There was a highly significant correlation between plasma aldosterone and potassium concentration in the anephric subjects studied without Kayexalate® administration (P < 0.001). In the anephric subjects who received Kayexalate®, plasma aldosterone and potassium concentration remained stable, and no correlation could be demonstrated. No diurnal variation of plasma aldosterone concentration could be demonstrated in either group of anephric subjects, whereas plasma cortisol concentration varied as in the studies on normal subjects. Conclusion. Diurnal variation of plasma aldosterone concentration is dependent on continued stimulation by the renin-angiotensin system. Loss of this stimulation has no demonstrable effect on the diurnal variation of plasma cortisol concentration.Dissociation des variations nycthémérales de l'aldostérone et du cortisol chez les sujets anéphriques. Les variations nycthémérales de l'aldostérone et du cortisol plasmatiques chez l'homme ont été étudiées chez 13 sujets anéphriques et 7 sujets normaux. Tous les sujets étaient ambulatoires excepté pendant une période de sommeil de 8 heures. Six sujets anéphriques receivaient du Kayexalate® (sodium polystyrene sulfonate) afin d'empêcher une accumulation de potassium et une augmentation de la kaliémie. Des variations nycthémérales de l'aldostéronémie avec un pic et un nadir à midi et minuit, respectivement, ont été observées chez les sujets normaux. Les modifications de l'aldostéronémie ne sont pas significativement corrélées avec les modifications du cortisol plasmatique mais très corrélées avec celles de PRA (P < 0,001). Il existe une corrélation très significative entre l'aldostéronémie et la kaliémie chez les sujets anéphriques étudiés en dehors de l'administration de Kayexalate (P < 0,001). Chez les sujets anéphriques recevant du Kayexalate l'aldostéronémie et la kaliémie sont stables et aucune corrélation n'est obtenue. Aucune variation nycthémérale de l'aldostéronémie n'a été observé dans les groupes de sujets anéphriques alors que la concentration de cortisol plasmatique varie comme chez les sujets normaux. Il peut être conclu de ces études que les variations nycthémérales de l'aldostéronémie dépendent de la stimulation par le système rénine-angiotensine. La perte de cette stimulation n'a pas d'effet sur la cortisolémie

    The HEARTS partner forum—supporting implementation of HEARTS to treat and control hypertension

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    Cardiovascular diseases (CVD), principally ischemic heart disease (IHD) and stroke, are the leading causes of death (18. 6 million deaths annually) and disability (393 million disability-adjusted life-years lost annually), worldwide. High blood pressure is the most important preventable risk factor for CVD and deaths, worldwide (10.8 million deaths annually). In 2016, the World Health Organization (WHO) and the United States Centers for Disease Control (CDC) launched the Global Hearts initiative to support governments in their quest to prevent and control CVD. HEARTS is the core technical package of the initiative and takes a public health approach to treating hypertension and other CVD risk factors at the primary health care level. The HEARTS Partner Forum, led by WHO, brings together the following 11 partner organizations: American Heart Association (AHA), Center for Chronic Disease Control (CCDC), International Society of Hypertension (ISH), International Society of Nephrology (ISN), Pan American Health Organization (PAHO), Resolve to Save Lives (RTSL), US CDC, World Hypertension League (WHL), World Heart Federation (WHF) and World Stroke Organization (WSO). The partners support countries in their implementation of the HEARTS technical package in various ways, including providing technical expertise, catalytic funding, capacity building and evidence generation and dissemination. HEARTS has demonstrated the feasibility and acceptability of a public health approach, with more than seven million people already on treatment for hypertension using a simple, algorithmic HEARTS approach. Additionally, HEARTS has demonstrated the feasibility of using hypertension as a pathfinder to universal health coverage and should be a key intervention of all basic benefit packages. The partner forum continues to find ways to expand support and reinvigorate enthusiasm and attention on preventing CVD. Proposed future HEARTS Partner Forum activities are related to more concrete information sharing between partners and among countries, expanded areas of partner synergy, support for implementation, capacity building, and advocacy with country ministries of health, professional societies, academy and civil societies organizations. Advancing toward the shared goals of the HEARTS partners will require a more formal, structured approach to the forum and include goals, targets and published reports. In this way, the HEARTS Partner Forum will mirror successful global partnerships on communicable diseases and assist countries in reducing CVD mortality and achieving global sustainable development goals (SDGs)
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