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Cigarette smoking shortens the bleeding time.

T Ring, S D Kristensen, P N Jensen

    Thrombosis Research
    |December 15, 1983
    PubMed
    Summary
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    Smoking high nicotine cigarettes shortened bleeding time, but nicotine-free cigarettes did not. This suggests nicotine impacts bleeding, not other cigarette components, affecting platelet aggregation and circulating aggregates.

    Area of Science:

    • Cardiovascular Science
    • Hematology
    • Toxicology

    Background:

    • Smoking is a known risk factor for cardiovascular disease.
    • The role of nicotine versus other cigarette components in hemostasis is not fully understood.

    Purpose of the Study:

    • To investigate the effect of high nicotine versus nicotine-free cigarette smoking on hemostasis.
    • To determine if nicotine alone influences bleeding time and platelet aggregation.

    Main Methods:

    • A study involving human participants who smoked either high nicotine or nicotine-free cigarettes.
    • Measurement of cutaneous bleeding time.
    • Assessment of adenosine diphosphate (ADP)-induced primary platelet aggregation.
    • Quantification of circulating platelet aggregates.

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    Main Results:

    • Smoking high nicotine cigarettes significantly shortened the cutaneous bleeding time.
    • Smoking nicotine-free cigarettes did not alter the cutaneous bleeding time.
    • Neither high nicotine nor nicotine-free cigarette smoking enhanced ADP-induced primary platelet aggregation.
    • The number of circulating platelet aggregates remained unchanged after smoking either type of cigarette.

    Conclusions:

    • Nicotine, a component of tobacco smoke, appears to be responsible for the observed shortening of bleeding time.
    • The findings suggest that nicotine influences primary hemostasis, potentially through mechanisms independent of platelet aggregation or the formation of circulating platelet aggregates.