Original Paper

International Journal of Biometeorology

, Volume 57, Issue 5, pp 797-804

First online:

The association between phenomena on the Sun, geomagnetic activity, meteorological variables, and cardiovascular characteristic of patients with myocardial infarction

  • Jone VenclovieneAffiliated withDepartment of Environmental Sciences, Faculty of Natural Sciences, Vytautas Magnus University Email author 
  • , Ruta BabarskieneAffiliated withDepartment of Cardiology, Lithuanian University of Health Sciences
  • , Rimvydas SlapikasAffiliated withDepartment of Cardiology, Lithuanian University of Health Sciences
  • , Gintare SakalyteAffiliated withDepartment of Cardiology, Lithuanian University of Health Sciences

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It has been found that solar and geomagnetic activity affects the cardiovascular system. Some evidence has been reported on the increase in the rate of myocardial infarction, stroke and myocardial infarction related deaths during geomagnetic storms. We investigated the association between cardiovascular characteristics of patients, admitted for myocardial infarction with ST elevation (STEMI), and geomagnetic activity (GMA), solar proton events (SPE), solar flares, and meteorological variables during admission. The data of 1,979 patients hospitalized at the Hospital of Lithuanian University of Health Sciences (Kaunas) were analyzed. We evaluated the association between environmental variables and patient’s characteristics by multivariate logistic regression, controlling patient’s gender and age. Two days after geomagnetic storms the risk of STEMI was over 1.5 times increased in patients who had a medical history of myocardial infarction, stable angina, renal or pulmonary diseases. The dose–response association between GMA level and STEMI risk for patients with renal diseases in history was observed. Two days after SPE the risk of STEMI in patients with stable angina in anamnesis was increased over 1.5 times, adjusting by GMA level. The SPE were associated with an increase of risk for patients with renal diseases in history. This study confirms the strongest effect of phenomena in the Sun in high risk patients.


Geomagnetic activity Solar particle events Myocardial infarction Hospital admissions