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Related Experiment Videos

Strenuous exercise, plasma fibrinogen, and factor VII activity.

J B Connelly1, J A Cooper, T W Meade

  • 1Medical Research Council Epidemiology and Medical Care Unit, Wolfson Institute of Preventive Medicine, Medical College of St Bartholomew's Hospital, London.

British Heart Journal
|May 1, 1992
PubMed
Summary

Strenuous physical activity significantly lowers plasma fibrinogen and factor VII activity, reducing the risk of ischaemic heart disease. This highlights exercise as a key preventative measure for heart health.

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Area of Science:

  • Cardiovascular Health
  • Exercise Physiology
  • Biochemistry

Background:

  • Ischaemic heart disease (IHD) poses a significant global health burden.
  • Plasma fibrinogen and factor VII activity are established risk factors for IHD.
  • The role of physical activity in modulating these specific risk factors requires further elucidation.

Purpose of the Study:

  • To investigate the impact of physical activity intensity and frequency on plasma fibrinogen and factor VII activity.
  • To assess the potential of physical activity in mitigating IHD risk through these biomarkers.

Main Methods:

  • Cross-sectional survey involving 3967 men aged 45-69.
  • Data collected via structured interviews on physical exercise and clinical measurements of fibrinogen, factor VII activity, cholesterol, and blood pressure.

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Main Results:

  • Strenuous exercise correlated with significantly lower fibrinogen levels (approx. 15% lower IHD risk).
  • Strenuous exercise was also linked to lower cholesterol concentrations.
  • Increased frequency of strenuous exercise was associated with reduced factor VII activity.

Conclusions:

  • Physical activity, particularly strenuous exercise, influences key biomarkers associated with IHD risk.
  • Modulation of fibrinogen and factor VII activity by exercise offers a potential pathway for IHD prevention.
  • Findings support exercise as a valuable preventative strategy for individuals at risk of IHD, especially those with elevated fibrinogen.