Electronic Nicotine Delivery Systems ("e-cigarettes"): Review of Safety and Smoking Cessation Efficacy

Overview

Journal Otolaryngol Head Neck Surg

Publisher Wiley

Specialties General Surgery
Otorhinolaryngology

Date 2014 Jun 6

PMID 24898072

Citations 68

Authors

Paul Truman Harrell

Vani Nath Simmons

John Bernard Correa

Tapan Ashvin Padhya

Thomas Henry Brandon

Affiliations

Soon will be listed here.

Abstract

Background And Objectives: Cigarette smoking is common among cancer patients and is associated with negative outcomes. Electronic nicotine delivery systems ("e-cigarettes") are rapidly growing in popularity and use, but there is limited information on their safety or effectiveness in helping individuals quit smoking.

Data Sources: The authors searched PubMed, Web of Science, and additional sources for published empirical data on safety and use of electronic cigarettes as an aid to quit smoking.

Review Methods: We conducted a structured search of the current literature up to and including November 2013.

Results: E-cigarettes currently vary widely in their contents and are sometimes inconsistent with labeling. Compared to tobacco cigarettes, available evidence suggests that e-cigarettes are often substantially lower in toxic content, cytotoxicity, associated adverse effects, and secondhand toxicity exposure. Data on the use of e-cigarettes for quitting smoking are suggestive but ultimately inconclusive.

Conclusions: Clinicians are advised to be aware that the use of e-cigarettes, especially among cigarette smokers, is growing rapidly. These devices are unregulated, of unknown safety, and of uncertain benefit in quitting smoking.

Implications For Practice: In the absence of further data or regulation, oncologists are advised to discuss the known and unknown safety and efficacy information on e-cigarettes with interested patients and to encourage patients to first try FDA-approved pharmacotherapies for smoking cessation.

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