HealthDay News — Significant increases are seen in blood pressure, heart rate, and arterial stiffness in the first 30 minutes after smoking electronic-cigarettes (e-cigarettes) containing nicotine, according to a study presented at the European Respiratory Society International Congress, held from September 9 to 13 in Milan.

Magnus Lundbäck, MD, PhD, from the Karolinska Institute in Stockholm, and colleagues randomized 15 healthy young volunteers to 30 minutes of e-cigarette inhalation with or without nicotine in a crossover fashion. The authors measured blood pressure, heart rate, and arterial stiffness directly following exposure and at 2 and 4 hours. Pulse wave velocity and pulse wave analysis were used to measure arterial stiffness. 

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The researchers found that during the first 30 minutes following e-cigarette inhalation with nicotine, there was a significant increase in blood pressure, heart rate and arterial stiffness. The team did not see this effect on heart rate and arterial stiffness in the volunteers who had smoked e-cigarettes without nicotine.

“Chronic exposure to both active and passive cigarette smoking causes a permanent increase in arterial stiffness,” Lundbäck said in a statement. “We speculate that chronic exposure to e-cigarettes with nicotine may cause permanent effects on arterial stiffness in the long term. As of today, there are no studies on the long-term effects on arterial stiffness following chronic e-cigarette exposure.”

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