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[Blood coagulation processes in decompression sickness and hyperbaric therapy].

E Reggiani, G Odaglia

    Minerva Medica
    |May 31, 1981
    PubMed
    Summary
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    Platelet hyperaggregability is key in decompression sickness, driven by arachidonic acid metabolites. Therapies include antiplatelet drugs and dietary polyunsaturated fatty acids for prevention.

    Area of Science:

    • Biochemistry
    • Physiology
    • Pathology

    Context:

    • Decompression sickness pathogenesis involves platelet hyperaggregability.
    • Arachidonic acid metabolites (prostaglandins, thromboxanes) promote platelet aggregation.
    • Prostacyclin I2 synthesis is crucial for antithrombotic action.

    Purpose:

    • To explore the role of platelet aggregation in decompression sickness.
    • To review current antiplatelet therapies and prophylactic dietary recommendations.
    • To investigate the impact of hyperbaric oxygenation on prostaglandin synthesis.

    Summary:

    • Platelet hyperaggregability, linked to arachidonic acid metabolite imbalance, is central to decompression sickness.
    • Therapeutic strategies include low-dose aspirin, dipyridamole, and dietary polyunsaturated fatty acids (linoleic acid, eicosapentaenoic acid).

    Related Experiment Videos

  • Hyperbaric oxygen may induce lipid peroxides inhibiting prostacyclin I2 synthesis, suggesting a role for Vitamin E as an antioxidant.

    • Impact:

    • Understanding platelet mechanisms in decompression sickness can refine therapeutic strategies.
    • Dietary interventions with polyunsaturated fatty acids may offer prophylactic benefits.
    • Vitamin E administration could counteract hyperbaric oxygen-induced inhibition of prostacyclin synthesis.