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Vaping has no effect on myocardial heart functions, say scientists

In perhaps the first vaping study of its kind, a group of European scientists has released new research indicating that the use of electronic cigarettes has no adverse effects on the myocardial heart functions of the human body.  Led by Dr. Konstantinos E Farsalinos, a world-class cardiologist from the Onassis Cardiac Surgery Center in Kallithéa, Greece, the research team evaluated a control group of volunteer participants consisting of both smokers and vapers.

36 smokers and 40 vapers participated.  The smoking group consisted of individuals who smoke at least 15 cigarettes per day for a period of 5 years or longer.  The vapers consisted of former smokers who had remained cigarette-free for at least one month. 

The study is entitled Acute effects of using an electronic nicotine-delivery device (electronic cigarette) on myocardial function: comparison with the effects of regular cigarettes, and it was recently published on the online medical journal BMC Cardiovascular Disorders.

Guidelines and measurements of the myocardial vaping study

The participants were asked to visit the Onassis Cardiac Surgery Center on a regular basis.  Smokers were sent to one room where they were asked to smoke a single cigarette.  Vapers were dispersed to a separate room where they engaged in vaping for a period of seven minutes.  All vapers were given the same e-cigarette device and vaped the same “medium strength” e-liquid with a 7ml nicotine concentration.

  • Age range of the smoking group: 31 to 41 years of age
  • Age range of the vaping group: 30 to 40 years of age
  • 32 of the 36 smokers were male, 4 were female
  • 36 or the 40 vapers were male. 4 were female
  • Through the use of echocardiogram technology, the following measurements of heart functions were taken for each group of participants - both before and after vaping or smoking:
    • Diastolic BP
    • Systolic BP
    • Heart Rate
    • Blood Pressure
    • Left ventricle (LV) Diameter
    • LV mass index
    • Glucose levels
    • Triglyceride levels
    • Cholesterol levels
    • Isovolumetric relaxation time (IVRT)
    • IVRT corrected to heart rate (IVRTc)
    • Myocardial performance index estimated by Doppler flow
    • And several other related cardiovascular functions


The results of the myocardial vaping study conclude that vapers experience no significant adverse side effects in heart functions while the smoking group witnessed significant inflammation, oxidative stress, and other related damage.   The co-authors of the study offer the following conclusions.

"This is the first study to examine the acute effects of electronic cigarette use on myocardial function. No adverse effects on LV [left ventricular] myocardial function were observed after using electronic cigarette with nicotine-containing liquid for 7 minutes. On the contrary, significant changes in diastolic function parameters were found after smoking 1 tobacco cigarette."

"This study provides the first clinical evidence that electronic cigarettes have less acute adverse effects on myocardial function when compared to tobacco cigarettes."


News of the Grecian research study has not yet made the mainstream media in the United States.  Agencies like the U.S. Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) have notoriously ignored scientific research published from outside of the United States.   However, according to Dr. Michael Siegel of the Boston University School of Public Health, American public health organizations have a lot to learn from Dr. Farsalinos and his research team.

“The FDA has unfortunately destroyed its scientific credibility. It has demonstrated that it will be ideology, and not science, that dictates the regulation of tobacco and nicotine-containing products in this country.  

Siegel goes on to say that he finds it “horrific” that U.S. agencies like the CDC and the FDA consistently refuse to validate scientific research that is not directly or indirectly funded by their related organizations.   He also believes that the Greek study proves once and for all that vaping is infinitely safer than smoking, especially regarding possible health risks of the heart.  


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