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8246759 
Journal Article 
Effect of electronic cigarette on human sperm: In vitro Approximation 
Velásquez, MM; Suarez, JP; Cardona Maya, WD 
2020 
29 
1 
7-13 
Spanish 
Introduction Electronic cigarettes (E-Cig) appeared in the market 15 years ago as an alternative to combat tobacco use, a public health problem, however, its effect on reproductive health has not been fully evaluated. The objective of the present study was to evaluate the effects of E-Cig on human sperm in vitro. Methods A device to incubate sperm in direct contact with steam from two different scents (TNT and Sugar Drizzle), cigarette smoke or air as a negative control was built. Additionally, using the same device, extracts were elaborated from the air, from the two essences with the E-Cig and with the Red Skin cigarette without a filter in the medium to incubate in indirect contact with sperm cells. Results Decreased motility with E-Cig was observed in more than 38% over time and a decrease in viability in more than 18% that was maintained over time while with the conventional cigarette affected motility and viability in almost 100%. Finally, we found that sperm motility of the sperm is more affected with the essence of Sugar Drizzle that had less nicotine concentration than with TNT essence. Conclusions In conclusion, both the conventional cigarette and the E-Cig affect the seminal parameters (motility and viability) and it is postulated that the use of the E-Cig, although it is less cytotoxic and affects less than the conventional cigarette can also generate long-term infertility problems. Copyright © 2020, Sociedad Colombiana de Urología. Publicado por Thieme Revinter Publicações Ltda., Rio de Janeiro, Brazil. Todos los derechos reservados. 
Cigarette; Electronic cigarette; Semen quality; Spermatozoa infertility