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    Higher prevalence of left ventricular hypertrophy in two Māori cohorts: findings from the Hauora Manawa/Community Heart Study

    Whalley, Gillian; Pitama, S.G.; Troughton, R.W.; Doughty, R.N.; Gamble, G.D.; Gillies, T.W.; Wells, J.E.; Faatoese, A.F.; Huria, T.; Richards, A.M.; Cameron, V.A.

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    whalley ANZJPH Hauora manawa echo.pdf (290.7Kb)
    Date
    2015-08
    Citation:
    Whalley, G.A., Pitama, S., Troughton, R.W., Doughty, R.N., Gamble, G.D., Gillies, T., Wells, J.E., Faatoese, A., Huria, T., Richards, M., & Cameraon, V.A. (2015). Higher prevalence of left ventricular hypertrophy in two Māori cohorts: findings from the Hauora Manawa/Community Heart Study. Australia and New Zealand Journal of Public Health, 39, pp.26-31. doi:10.1111/1753-6405.12300
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/3202
    Abstract
    Objectives: Cardiovascular disease (CVD) is the leading cause of mortality in New Zealand with a disproportionate burden of disease in the Māori population. The Hauora Manawa Project investigated the prevalence of cardiovascular risk factors and CVD in randomly selected Māori and non-Māori participants. This paper reports the prevalence of structural changes in the heart.Methods: A total of 252 rural Māori, 243 urban Māori; and 256 urban non-Māori underwent echocardiography to assess cardiac structure and function. Multivariable logistic regression was used to determine variables associated with heart size.Results: Left ventricular (LV) mass measurements were largest in the rural Māori cohort (183.5,sd 61.4), intermediate in the urban Māori cohort (169.7,sd 57.1) and smallest in the non-Māori cohort (152.6,sd 46.7; p<0.001). Similar patterns were observed for other measurements and indexation had no impact. One-third (32.3%) met the gender-based ASE criteria for LV hypertrophy (LVH) with higher prevalence in both Maori cohorts (highest in the rural cohort). There were three signicant predictors of LVH: rural Māori (p=0.0001); age (p<0.0001); and gender (p=0.0048). Conclusion: Structural and functional heart abnormalities are more prevalent in Māori compared to non-Māori, and especially rural Māori. Early identication should lead to better management, ultimately improving life expectancy and quality of life.
    Ngā Upoko Tukutuku (Māori Subject Headings):
    Tāngata whenua, Mate manawa, Taiwhenua
    Keywords:
    Māori, cardiovascular disease, echocardiography, rural, indigenous
    ANZSRC Field of Research:
    110201 Cardiology (incl. Cardiovascular Diseases)
    Copyright Holder:
    © 2015 Public Health Association of Australia

    Copyright Notice:
    All rights reserved
    Available Online at:
    http://onlinelibrary.wiley.com/doi/10.1111/1753-6405.12300/epdf
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use. These documents or images may be used for research or private study purposes. Whether they can be used for any other purpose depends upon the Copyright Notice above. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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