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[Geomagnetic pulsations and myocardial infarctions].

S I Rapoport, T K Breus, O V Kozyreva

    Terapevticheskii Arkhiv
    |July 11, 2006
    PubMed
    Summary

    Geomagnetic micropulsations (Pc1) during disturbances correlate with increased heart attacks and sudden death. This effect is strongest in winter, possibly due to reduced melatonin production.

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    Area of Science:

    • Environmental Science
    • Cardiology
    • Geophysics

    Background:

    • Geomagnetic micropulsations (Pc1) are naturally occurring phenomena.
    • Previous research suggests potential links between environmental factors and cardiovascular events.

    Purpose of the Study:

    • To investigate the association between Pc1 geomagnetic micropulsations and cardiovascular events.
    • To determine if Pc1 activity influences myocardial infarction (MI) and sudden death (SD) rates.

    Main Methods:

    • Analysis of MI incidence in Moscow (1979-1981).
    • Analysis of SD incidence in Bulgaria (15-year rural and urban data).
    • Correlation with Pc1 geomagnetic micropulsation data.

    Main Results:

    • Increased MI incidence observed in Moscow and Bulgaria during Pc1 events coinciding with geomagnetic disturbances.
    • Seasonal variations in MI and SD rates correlate with Pc1 duration, peaking in winter.
    • Winter magnetic disturbances show a stronger biotropic effect on cardiovascular events compared to summer.

    Conclusions:

    • Geomagnetic disturbances, particularly Pc1 events in winter, intensify cardiovascular risks.
    • Low melatonin production, potentially due to light insufficiency in winter, may exacerbate the impact of geomagnetic disturbances.

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