E-cigarettes and Urologic Health: A Collaborative Review of Toxicology, Epidemiology, and Potential Risks

Liam Bourke, Linda Bauld, Christopher Bullen, Marcus Cumberbatch, Edward Giovannucci, Farhad Islami, Hayden McRobbie, Debra T Silverman, James W F Catto

Research output: Contribution to journalReview articlepeer-review

Abstract

Context  Use of electronic cigarettes (ECs) is on the rise in most high-income countries. Smoking conventional cigarettes is a known risk factor for urologic malignancy incidence, progression, and mortality, as well as for other urologic health indicators. The potential impact of EC use on urologic health is therefore of clinical interest to the urology community.  Objective  To review the available data on current EC use, including potential benefits in urologic patients, potential issues linked to toxicology of EC constituents, and how this might translate into urologic health risks.  Evidence acquisition  A Medline search was carried out in August 2016 for studies reporting urologic health outcomes and EC use. Snowballing techniques were also used to identify relevant studies from recent systematic reviews. A narrative synthesis of data around EC health outcomes, toxicology, and potential use in smoking cessation and health policy was carried out.  Evidence synthesis  We found no studies to date that have been specifically designed to prospectively assess urologic health risks, even in an observational setting. Generating such data would be an important contribution to the debate on the role of ECs in public health and clinical practice. There is evidence from a recent Cochrane review of RCTs that ECs can support smoking cessation. There are emerging data indicating that potentially harmful components of ECs such as tobacco-specific nitrosamines, polyaromatic hydrocarbons, and heavy metals could be linked to possible urologic health risks.  Conclusions  ECs might be a useful tool to encourage cessation of conventional cigarette smoking. However, data collection around the specific impact of ECs on urologic health is needed to clarify the possible patient benefits, outcomes, and adverse events.  Patient summary  While electronic cigarettes might help some people to stop smoking, their overall impact on urologic health is not clear.
Original languageEnglish
Pages (from-to)915-923
Number of pages9
JournalEuropean Urology
Volume71
Issue number6
DOIs
Publication statusPublished - 31 May 2017

Keywords

  • Electronic cigarettes
  • Smoking cessation
  • Toxicology
  • Urologic health

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