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Ideal cardiovascular health predicts lower risks of myocardial infarction, stroke, and vascular death across whites, blacks, and hispanics: the northern Manhattan study.

ABSTRACT: Evidence of the relationship of cardiovascular health (CVH), defined by the American Heart Association, and specific cardiovascular outcomes is lacking, particularly among Hispanics. This study sought to evaluate the relationship between the number of ideal CVH metrics and cardiovascular risk, overall and by event subtype, in a multiethnic community-based prospective cohort.A total of 2981 subjects (mean age, 69±10 years; 54% Caribbean Hispanic, 25% black, 21% white) free of myocardial infarction and stroke at baseline in the Northern Manhattan Study were prospectively followed up (median follow-up, 11 years). The relationship between the number of ideal CVH metrics and the risk of cardiovascular disease, including myocardial infarction, stroke, and vascular death, was investigated. Overall, a strong gradient relationship was observed between the adjusted hazard ratios for cardiovascular disease and the number of ideal CVH metrics: 0.73 (95% confidence interval, 0.60-0.89), 0.61 (95% confidence interval, 0.50-0.76), 0.49 (95% confidence interval, 0.38-0.63), and 0.41 (95% confidence interval, 0.26-0.63) for those having 2, 3, 4, and 5 to 6 ideal CVH metrics, respectively, compared with those having 0 to 1 ideal CVH metrics (P for trend <0.0001). Similar graded relationships were found between the number of ideal CVH metrics and the adjusted incidence rate for each specific outcome and among whites, blacks, and Caribbean Hispanics.Our findings demonstrated a steep gradient relationship between ideal CVH and individual cardiovascular disease end points, including stroke, that was similar for whites, blacks, and Caribbean Hispanics. This evidence supports the application of the AHA ideal cardiovascular health metrics for cardiovascular disease risk assessment and health promotion for all Americans regardless of race-ethnic background.

SUBMITTER: Dong C

PROVIDER: S-EPMC3396556 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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Ideal cardiovascular health predicts lower risks of myocardial infarction, stroke, and vascular death across whites, blacks, and hispanics: the northern Manhattan study.

Dong Chuanhui C Rundek Tatjana T Wright Clinton B CB Anwar Zane Z Elkind Mitchell S V MS Sacco Ralph L RL

Circulation 20120522 24

<h4>Background</h4>Evidence of the relationship of cardiovascular health (CVH), defined by the American Heart Association, and specific cardiovascular outcomes is lacking, particularly among Hispanics. This study sought to evaluate the relationship between the number of ideal CVH metrics and cardiovascular risk, overall and by event subtype, in a multiethnic community-based prospective cohort.<h4>Methods and results</h4>A total of 2981 subjects (mean age, 69±10 years; 54% Caribbean Hispanic, 25% ...[more]

PMID: 22619283

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Project description:BACKGROUND:Hypertension is a significant risk factor for intracerebral hemorrhage (ICH). Although ethnic/racial disparities related to hypertension and ICH have been reported, these previous studies were limited by a lack of Hispanics and inadequate power to analyze by ICH location. In the current study, while overcoming these prior limitations, we investigated whether there was variation by ethnicity/race of treated and untreated hypertension as risk factors for ICH. METHODS:The ERICH study (Ethnic/Racial Variations of Intracerebral Hemorrhage) is a prospective, multicenter, case-control study of ICH among whites, blacks, and Hispanics. Cases were enrolled from 42 recruitment sites. Controls matched to cases 1:1 by age (±5 years), sex, ethnicity/race, and metropolitan area were identified by random-digit dialing. Subjects were interviewed to determine history of hypertension and use of antihypertensive medications. Cases and controls within ethnic groups were compared by using conditional logistic regression. Multivariable conditional logistic regression models were computed for ICH as an overall group and separately for the location subcategories deep, lobar, and infratentorial (brainstem/cerebellar). RESULTS:Nine hundred fifty-eight white, 880 black, and 766 Hispanic ICH patients were enrolled. For ICH cases, untreated hypertension was higher in blacks (43.6%, P<0.0001) and Hispanics (46.9%, P<0.0001) versus whites (32.7%). In multivariable analyses adjusted for alcohol use, anticoagulation, hypercholesterolemia, education, and medical insurance status, treated hypertension was a significant risk factor across all locations of ICH in whites (odds ratio [OR], 1.57; 95% confidence interval [CI], 1.24-1.98; P<0.0001), blacks (OR, 3.02; 95% CI, 2.16-4.22; P<0.0001), and Hispanics (OR, 2.50; 95% CI, 1.73-3.62; P<0.0001). Untreated hypertension was a substantially greater risk factor for all 3 racial/ethnic groups across all locations of ICH: whites (OR, 8.79; 95% CI, 5.66-13.66; P<0.0001), blacks (OR, 12.46; 95% CI, 8.08-19.20; P<0.0001), and Hispanics (OR, 10.95; 95% CI, 6.58-18.23; P<0.0001). There was an interaction between race/ethnicity and ICH risk (P<0.0001). CONCLUSIONS:Untreated hypertension confers a greater ICH risk in blacks and Hispanics relative to whites across all anatomic locations of ICH. Accelerated research efforts are needed to improve overall hypertension treatment rates and to monitor the impact of such efforts on racial/ethnic disparities in stroke. CLINICAL TRIAL REGISTRATION:URL: http://www.clinicaltrials.gov. Unique identifier: NCT01202864.

Project description:Background and Purpose- Despite modest predictive ability for ischemic stroke (IS), the CHA2DS2-VASc score is widely used for stroke prediction in atrial fibrillation. Among patients with atrial fibrillation, we aimed to (1) compare the IS or transient ischemic attack (TIA) incidence by CHA2DS2-VASc in blacks and Hispanics versus whites; (2) compare predictive ability of CHA2DS2-VASc score for IS or TIA in blacks and Hispanics versus whites; and (3) determine improvement in predictive ability of CHA2DS2-VASc score from addition of race/ethnicity. Methods- Using data from Optum Clinformatics, a large administrative claims database, we analyzed patients with atrial fibrillation enrolled in commercial and Medicare Advantage health plans from 2009 to 2015. We computed IS or TIA incidence rates, improvement in C statistic, continuous and categorical net reclassification improvement, and relative integrated discrimination improvement from addition of race/ethnicity to CHA2DS2-VASc. Results- A total of 267 419 patients (mean age, 73.1 [SD, 12.3] years; 46.6% women; 84.2% white, 8.5% black, 7.3% Hispanic) were studied. After a mean follow-up of 22 months, there were 6202 IS or TIA events. IS or TIA incidence rates were higher in blacks than Hispanics or whites (1.65, 1.40, and 1.22 cases per 100 person-years, respectively) and increased with higher CHA2DS2-VASc, with no race/ethnicity-based differences (P for interaction=0.17). The CHA2DS2-VASc and CHA2DS2-VASc+race/ethnicity C statistic (95% CI) were 0.679 (0.670-0.686) and 0.679 (0.671-0.688). The CHA2DS2-VASc C statistic in the 3 groups were comparable. With addition of race/ethnicity, the categorical net reclassification improvement, continuous net reclassification improvement, and relative integrated discrimination improvement were -0.045 (95% CI, -0.067 to -0.025), 0.045 (95% CI, 0.025-0.068), and 0.016 (95% CI, 0.014-0.018). Conclusions- The predictive ability of CHA2DS2-VASc for IS or TIA in atrial fibrillation is comparable among whites, blacks, and Hispanics; hence, it can be used in the latter 2 groups. Addition of race/ethnicity to the CHA2DS2-VASc does not improve its predictive ability.

Dataset Information

Ideal cardiovascular health predicts lower risks of myocardial infarction, stroke, and vascular death across whites, blacks, and hispanics: the northern Manhattan study.

Publications

Ideal cardiovascular health predicts lower risks of myocardial infarction, stroke, and vascular death across whites, blacks, and hispanics: the northern Manhattan study.

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