Dataset Information

Implications of the New US Cholesterol Guidelines in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

ABSTRACT: BACKGROUND:The new US guidelines for the primary prevention of cardiovascular disease have substantially changed the approach to hyperlipidemia treatment. However, the impact of those recommendations in other populations is limited. In the present study, we evaluated the potential implications of those recommendations in the Brazilian population. HYPOTHESIS:The new U.S. recommendations may increase the proportion of individuals who are candidates for statin therapy. METHODS:We included all participants of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) without known cardiovascular disease. We calculated the indication for statin therapy according to the current Brazilian recommendations and the new US guidelines, using both the 5.0% and the 7.5% risk cutoffs to recommend treatment, and compared their impact in the Brazilian population stratified by age, sex, and race. RESULTS:Although the current guidelines would recommend treatment for 5499 (39.1%) individuals, the number of individuals eligible for statin therapy increased to 6014 (42.7%) and to 7130 (50.7%) using the 7.5% and 5% cutoffs, respectively (P < 0.001). This difference is more pronounced for older individuals, and virtually all individuals age >70 years would be eligible for statins, whereas the new guidelines would reduce the number of candidates for statin therapy in individuals age <45 years. CONCLUSIONS:The application of the new US guidelines for the use of lipid-lowering medications in a large middle-aged Brazilian cohort would result in a significant increase in the population eligible for statins. This is largely driven by males and older individuals. Additional cost-effectiveness analyses are needed to define the appropriateness of this strategy in the Brazilian population.

SUBMITTER: Bittencourt MS

PROVIDER: S-EPMC6490861 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Implications of the New US Cholesterol Guidelines in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

Bittencourt Marcio Sommer MS Staniak Henrique Lane HL Pereira Alexandre Costa AC Santos Itamar S IS Duncan Bruce B BB Santos Raul D RD Blaha Michael J MJ Jones Steve R SR Toth Peter P PP Bensenor Isabela M IM Lotufo Paulo A PA

Clinical cardiology 20160205 4

<h4>Background</h4>The new US guidelines for the primary prevention of cardiovascular disease have substantially changed the approach to hyperlipidemia treatment. However, the impact of those recommendations in other populations is limited. In the present study, we evaluated the potential implications of those recommendations in the Brazilian population.<h4>Hypothesis</h4>The new U.S. recommendations may increase the proportion of individuals who are candidates for statin therapy.<h4>Methods</h4 ...[more]

PMID: 26848714

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Project description:BackgroundEvidence of multimorbidity has come mainly from high-income regions, while disparities among racial groups have been less explored. This study examined racial differences in multimorbidity in the multiracial cohort of the Longitudinal Study of Adult Health (Estudo Longitudinal de Saúde do Adulto), ELSA-Brasil.MethodsThe study examined baseline (2008-2010) data for 14 099 ELSA-Brasil participants who self-reported being white, mixed-race, or black. A list of 16 morbidities was used to evaluate multimorbidity, operationalised by simple count into ≥ 2, ≥ 3, ≥ 4, ≥ 5 and ≥ 6 morbidities, in addition to evaluating the number of coexisting conditions. Prevalence ratios (PR) were estimated from logistic models and a quantile model was used to examine racial differences graphically in the distribution quantiles for the number of morbidities.ResultsOverall prevalence of multimorbidity (≥ 2 morbidities) was 70% and, after controlling for age and sex, was greater among mixed-race and black participants - by 6% (PR: 1.06; 95% CI: 1.03-1.08) and 9% (PR: 1.09; 95% CI: 1.06-1.12), respectively - than among white participants. As the cutoff value for defining multimorbidity was raised, so the strength of the association increased, especially among blacks: if set at ≥ 6 morbidities, the prevalence was 27% greater for those of mixed-race (PR: 1.27; 95% CI: 1.07-1.50) and 47% greater for blacks (PR: 1.47; 95% CI: 1.22-1.76) than for whites. The disparities were smaller in the lower morbidity distribution quantiles and larger in the upper quantiles, indicating a heavier burden of disease, particularly on blacks.ConclusionsMultimorbidity was common among adults and older adults in a Brazilian cohort, but important racial inequalities were found. Raising the cutoff point for defining multimorbidity revealed stronger associations between race/skin colour and multimorbidity, indicating a higher prevalence of multimorbidity among mixed-race and black individuals than among whites and that the former groups coexisted more often with more complex health situations (with more coexisting morbidities). Interventions to prevent and manage the condition of multimorbidity that consider the social determinants of health and historically discriminated populations in low- and middle-income regions are necessary.

Project description:There is a need to identify sensitive biomarkers of early tobacco-related cardiovascular disease. We examined the association of smoking status, burden, time since quitting, and intensity, with markers of inflammation and subclinical atherosclerosis. We studied 14 103 participants without clinical cardiovascular disease in ELSA-Brasil (Brazilian Longitudinal Study of Adult Health). We evaluated baseline cross-sectional associations between smoking parameters and inflammation (high-sensitivity C-reactive protein [hsCRP]) and measures of subclinical atherosclerosis (carotid intima-media thickness, ankle-brachial index, and coronary artery calcium [CAC]). The cohort included 1844 current smokers, 4121 former smokers, and 8138 never smokers. Mean age was 51.7±8.9 years; 44.8% were male. After multivariable adjustment, compared with never smokers, current smokers had significantly higher levels of hsCRP (β=0.24, 0.19-0.29 mg/L; P<0.001) and carotid intima-media thickness (β=0.03, 0.02-0.04 mm; P<0.001) and odds of ankle-brachial index ≤1.0 (odds ratio: 2.52; 95% confidence interval, 2.06-3.08; P<0.001) and CAC >0 (odds ratio: 1.83; 95% confidence interval, 1.46-2.30; P<0.001). Among former and current smokers, pack-years of smoking (burden) were significantly associated with hsCRP (P<0.001 and P=0.006, respectively) and CAC (P<0.001 and P=0.002, respectively). Among former smokers, hsCRP and carotid intima-media thickness levels and odds of ankle-brachial index ≤1.0 and CAC >0 were lower with increasing time since quitting (P<0.01). Among current smokers, number of cigarettes per day (intensity) was positively associated with hsCRP (P<0.001) and CAC >0 (P=0.03) after adjusting for duration of smoking. Strong associations were observed between smoking status, burden, and intensity with inflammation (hsCRP) and subclinical atherosclerosis (carotid intima-media thickness, ankle-brachial index, CAC). These markers of early cardiovascular disease injury may be used for the further study and regulation of traditional and novel tobacco products.

Dataset Information

Implications of the New US Cholesterol Guidelines in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

Publications

Implications of the New US Cholesterol Guidelines in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

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