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Height loss and future coronary heart disease in London: the Whitehall II study

G David Batty1, Martin J Shipley, David Gunnell

  • 1Department of Epidemiology & Public Health, University College London, 1-19 Torrington Place, London, UK. david.batty@ucl.ac.uk

Insights

Height loss may increase coronary heart disease (CHD) risk in men, suggesting shrinkage could explain the link between shorter stature and higher CHD risk. Further research is needed to confirm findings in women.

Area of Science:

  • Cardiovascular epidemiology
  • Human physiology

Background:

  • Prospective studies link greater physical stature to lower coronary heart disease (CHD) risk.
  • The role of reverse causality, specifically height loss (shrinkage), in this association remains unclear.
  • Previous studies lacked repeat height measurements to investigate shrinkage.

Purpose of the Study:

  • To investigate the relationship between height loss and future risk of coronary heart disease (CHD).

Main Methods:

  • Analysis of data from the Whitehall II prospective cohort study.
  • Involved 3802 men and 1615 women with height re-measured between 1997-9.
  • Follow-up for fatal and non-fatal CHD events after the second height measurement.

Main Results:

  • Greater height loss was associated with increased CHD risk in men (HR: 1.24; 95% CI: 1.00-1.53) after adjusting for baseline risk factors.
  • No significant association was observed between height loss and CHD risk in women (HR: 0.93; 95% CI: 0.58-1.50).
  • A mean follow-up of 7.4 years yielded 69 CHD events in men and 18 in women.

Conclusions:

  • Height loss due to shrinkage may contribute to the observed inverse association between a single height measurement and later CHD risk.
  • This finding highlights the importance of considering height changes in understanding CHD etiology.
  • Further investigation is warranted to elucidate the mechanisms and confirm findings in diverse populations.
Abstract

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