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[Thromboelastographic patterns in patients suffering from chronic obstructive lung disease after hyperventilation].

A Tirelli, R Giunta, L Coppola

    Bollettino Della Societa Italiana Di Biologia Sperimentale
    |June 15, 1980
    PubMed
    Summary

    Hyperventilation does not alter blood clotting in chronic obstructive lung disease patients. Simultaneous changes in blood gases (PCO2, pH) during hyperventilation may counteract oxygen

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    Area of Science:

    • Pulmonary Medicine
    • Hematology
    • Physiology

    Context:

    • Chronic obstructive lung disease (COPD) patients exhibit altered blood coagulation.
    • Previous studies indicated oxygen therapy normalizes coagulability in COPD patients.
    • The effect of hyperventilation on coagulation in COPD is not well understood.

    Purpose:

    • To investigate the impact of hyperventilation on thromboelastographic patterns in COPD patients.
    • To compare coagulation changes in COPD patients and healthy subjects after hyperventilation.

    Summary:

    • Hyperventilation did not significantly alter overall blood coagulability in COPD patients or healthy individuals.
    • Absence of change is hypothesized to be due to concurrent variations in partial pressure of carbon dioxide (PCO2) and pH during hyperventilation.

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  • These gas variations may affect hemoglobin's oxygen affinity, masking the impact of increased partial pressure of oxygen (PO2) on tissue oxygenation.

    • Impact:

    • Suggests that hyperventilation's effects on tissue oxygenation in COPD are complex and influenced by respiratory gas dynamics.
    • Hypothesizes that hyperventilation might influence coagulation through decreased fibrinolysis or increased prostacyclin production in COPD patients.