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Related Experiment Videos

Cigarette smoking and hemostatic function.

G A FitzGerald1, J A Oates, J Nowak

  • 1Division of Clinical Pharmacology, Vanderbilt University, Nashville, TN.

American Heart Journal
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Smoking elevates cardiovascular risk through vascular damage and altered hemostasis. Quitting rapidly reduces this risk, suggesting hemostatic changes are key to smoking-related cardiovascular disease.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Public Health

Background:

  • Epidemiologic studies link cigarette smoking to vasoocclusive cardiovascular disease and accelerated atherogenesis.
  • The rapid regression of cardiovascular risk post-quitting is not fully explained by vascular disease alone.

Purpose of the Study:

  • To investigate the role of hemostatic factors in the rapidly reversible component of cardiovascular risk associated with smoking.

Main Methods:

  • Review of existing epidemiologic and postmortem studies.
  • Analysis of evidence on plasma fibrinogen levels in smokers.
  • Examination of studies on thromboxane metabolite excretion and platelet turnover in chronic smokers.

Main Results:

Related Experiment Videos

  • Plasma fibrinogen, a risk factor for ischemic heart disease, is elevated in smokers.
  • Platelets are activated in the circulation of chronic smokers, indicated by thromboxane metabolite excretion and platelet turnover studies.
  • Altered hemostatic function may explain the rapid risk reduction after smoking cessation.

    • Conclusions:

    • Smoking-induced alterations in hemostasis, including elevated fibrinogen and activated platelets, contribute significantly to cardiovascular risk.
    • These hemostatic changes likely account for the rapid reversibility of cardiovascular risk observed within the first year of quitting smoking.