A study led by Dr. Carsten Lennerz of the German Heart Centre Munich found no clinically relevant electromagnetic interference or device malfunction in pacemakers and defibrillators while using high-power charging stations for electric cars. The study, which included 130 patients with cardiac implantable electronic devices , tested four electric cars and one test vehicle capable of drawing 350 kW from high-power chargers.
“The new high-power charging stations for electric cars have the potential to create strong electromagnetic fields and cause electromagnetic interference in,” said study author Dr. Carsten Lennerz of the German Heart Centre Munich. “We previously investigated the risk of electromagnetic interference with cardiac devices while driving electric cars and found that the largest electromagnetic field was located along the charging cable.
The study included 130 patients with a pacemaker or defibrillator. The average age was 59 years and 21% were women. Four publicly available, fully electric cars capable of high-power charging were used during the study.However, these cars cannot take the maximal charge of 350 kW. Since it is highly likely that future electric cars will take the highest charge, the researchers also used a test vehicle that could draw 350 kW from the high-power chargers.
Dr. Lennerz said: “This study was designed as a worst-case scenario to maximize the chance of electromagnetic interference. Despite this, we found no clinically relevant electromagnetic interference and no device malfunction during the use of high power chargers, suggesting that no restrictions should be placed on their use for patients with cardiac devices.”
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