Chicles de nicotina frente a cigarrillos electrónicos para la reducción del hábito tabáquico.

Objective: Compare the effectiveness of nicotine gum versus the use of electronic cigarettes and show whether they are more effective in reducing smoking. . Methodology: Articles in Spanish, English and Portuguese, available from SciELO, Google Academic, EBSCO, Cochrane Library and LILACS, were included through equations built with MeSH and DeCS and Boolean operators AND Dec's OR (("Electronic cigarettes" OR "E-Cigs" OR "Electronic Cigars") OR ("Chewing gum" OR "Nicotine chewing gum") AND ("Smoking cessation")). The articles were critically read, and classified by level of evidence and degree of recommendation. Ethical considerations were adopted in accordance with Resolution 8430 of 1993. Results: The initial search yielded 1,468 articles, which were reduced to 28 units that contributed to the stated objective. Five themes were built, which include a comparison of methods, evaluation forms, age ranges, addiction rates, associated pathologies and mortality rate, components and physiological effects of the conventional and electronic cigarette. Conclusions: It is evident that the amounts of nicotine of e-cigarettes produce irreversible adverse health effects and can lead to increased dependency [ABSTRACT FROM AUTHOR]