• Bmc Public Health · Oct 2017

    Review

    Health impacts of chemical irritants used for crowd control: a systematic review of the injuries and deaths caused by tear gas and pepper spray.

    Chemical irritant crowd control, such as with tear gas and pepper spray, can often cause injuries, sometimes severe or permanently disabling, and rarely even death.

    pearl
    • Rohini J Haar, Vincent Iacopino, Nikhil Ranadive, Sheri D Weiser, and Madhavi Dandu.
    • University of California, 3136 College Avenue, Berkeley, CA, 94705, USA. rohinihaar@berkeley.edu.
    • Bmc Public Health. 2017 Oct 19; 17 (1): 831.

    BackgroundChemical irritants used in crowd control, such as tear gases and pepper sprays, are generally considered to be safe and to cause only transient pain and lacrimation. However, there are numerous reports that use and misuse of these chemicals may cause serious injuries. We aimed to review documented injuries from chemical irritants to better understand the morbidity and mortality associated with these weapons.MethodsWe conducted a systematic review using PRISMA guidelines to identify injuries, permanent disabilities, and deaths from chemical irritants worldwide between January 1, 1990 and March 15, 2015. We reviewed injuries to different body systems, injury severity, and potential risk factors for injury severity. We also assessed region, context and quality of each included article.ResultsWe identified 31 studies from 11 countries. These reported on 5131 people who suffered injuries, two of whom died and 58 of whom suffered permanent disabilities. Out of 9261 total injuries, 8.7% were severe and required professional medical management, while 17% were moderate and 74.3% were minor. Severe injuries occurred to all body systems, with the majority of injuries impacting the skin and eyes. Projectile munition trauma caused 231 projectile injuries, with 63 (27%) severe injuries, including major head injury and vision loss. Potentiating factors for more severe injury included environmental conditions, prolonged exposure time, and higher quantities of chemical agent in enclosed spaces.ConclusionsAlthough chemical weapons may have a limited role in crowd control, our findings demonstrate that they have significant potential for misuse, leading to unnecessary morbidity and mortality. A nuanced understanding of the health impacts of chemical weapons and mitigating factors is imperative to avoiding indiscriminate use of chemical weapons and associated health consequences.

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    Notes

    pearl
    1

    Chemical irritant crowd control, such as with tear gas and pepper spray, can often cause injuries, sometimes severe or permanently disabling, and rarely even death.

    Daniel Jolley  Daniel Jolley
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    0

    Relevant from the same research group:

    Death, injury and disability from kinetic impact projectiles in crowd-control settings: a systematic review (BMJ Open 2017).

    Daniel Jolley  Daniel Jolley
     
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