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The prognostic value of the mitral diastolic filling velocity ratio for all-cause mortality and cardiovascular morbidity in African Americans: the Atherosclerotic Risks in Communities (ARIC) study.

eagle-i ID

http://jsu.eagle-i.net/i/0000012e-0ca6-f418-d3a1-177580000000

Resource Type

  1. Cohort study

Properties

  1. Resource Description
    Abstract BACKGROUND: Although recent data suggest that the mitral diastolic early-to-late (E/A) ratio may be prognostic in selected population-based cohorts, its predictive value for morbidity and mortality in African Americans has not yet been well studied. METHODS: The study population consisted of African American participants from the Jackson cohort of the Atherosclerotic Risks in Community Study. Three subgroups of E/A ratios were defined: E/A <0.7, E/A 0.7-1.5, and E/A >1.5, using the middle group as reference. Cox proportional hazard models were used to assess the association between the E/A ratio and both all-cause mortality and incident cardiovascular disease (CVD). The mean follow-up period was 6.8 +/- 1.3 years. RESULTS: Of the 2211 participants in the study population (mean age 62 years, 65.1% women), 8.2% had an E/A ratio <0.7, 84.7% had an E/A 0.7-1.5, and 7.1% had an E/A >1.5. An E/A >1.5 was independently associated with all-cause mortality (hazard ratio [HR] 2.18, 95% confidence interval [CI] 1.20-4.03) in the multivariable model. An E/A <0.7 was associated with higher all-cause mortality (HR 1.79, 95% CI 1.17-2.73) and incident CVD (HR 1.91, 95% CI 1.29-2.83) compared with a normal E/A in the age and sex adjusted model but was not independently predictive in the multivariable model (P > .05). CONCLUSIONS: In a population-based cohort of middle-aged African Americans, an E/A >1.5 independently predicts all-cause mortality. An E/A >1.5 and an E/A <0.7 were both associated with incident CVD when adjusted for age and sex alone but were not independently predictive in the multivariable analysis.
  2. Contact
    Taylor, Jr., Herman A.
  3. PI
    Taylor, Jr., Herman A.
  4. Topic
    cardiovascular system disease
  5. Topic
    atherosclerosis
  6. Study Population
    2,211 participants in the study population (mean age 62 years, 65.1% women)
  7. Related Publication or Documentation
    The prognostic value of the mitral diastolic filling velocity ratio for all-cause mortality and cardiovascular morbidity in African Americans: the Atherosclerotic Risks in Communities (ARIC) study.
  8. Funded by
    National Heart, Lung, and Blood Institute
  9. Performed by
    Jackson Heart Study
 
RDFRDF
 
Provenance Metadata About This Resource Record
  1. workflow state
    Published
  2. contributor
    nvasilevsky
  3. created
    2011-02-09T17:01:11.364-06:00
  4. creator
    sgarner (Solomon Garner)
  5. modified
    2011-05-18T14:04:55.359-05:00

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