Suicide by asphyxiation with or without helium inhalation in the region of Amsterdam (2005–2014)

Hondel, Karen E. van den; Buster, Marcel; Reijnders, Udo

doi:10.1016/j.jflm.2016.08.012

Cited by 14 publications

(12 citation statements)

References 11 publications

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“…11 While most previous studies have shown that inhalational asphyxia is more common in men, the relationship with age is less clear with some studies associating this method with older age (Bullock & Diniz, 2000;Haddix et al, 1996;van den Hondel et al, 2016) and some with younger age (Chang et al, 2016;Chen et al, 2012;Gunnell et al, 2015a;Howard et al, 2011;Kato et al, 2013). This study found no difference in age between any group of suicide decedents.…”

Section: Accepted Manuscriptmentioning

confidence: 62%

“…The larger proportion of people who left suicide notes might also be an indication that these deaths are more deliberate/less impulsive than suicides by other methods. High rates of suicide notes in decedents by helium asphyxia have been reported previously in the U.S. and the Netherlands (Howard et al, 2011;van den Hondel et al, 2016).…”

Section: Accepted Manuscriptmentioning

confidence: 69%

“…The only Canadian study on the topic was a case series in British Columbia which identified 20 suicide deaths by helium asphyxia in the province from 1999(Ogden and Hassan, 2011. More recent, population-level analyses have demonstrated increases in suicide death by helium asphyxia in the U.S. (Azrael et al, 2016;Hassamal et al, 2015), the Netherlands (van den Hondel et al, 2016), Australia and Sweden (Austin et al, 2011), England and M A N U S C R I P T 6 Wales and Hong Kong (Chang et al, 2016) and have demonstrated a signal that the method may be spreading to Asia (Chang et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Suicide deaths by gas inhalation in Toronto: An observational study of emerging methods of suicide

Sinyor

Williams

Vincent

et al. 2019

Journal of Affective Disorders

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Section: Accepted Manuscriptmentioning

confidence: 62%

Section: Accepted Manuscriptmentioning

confidence: 69%

Section: Introductionmentioning

confidence: 99%

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Suicide deaths by gas inhalation in Toronto: An observational study of emerging methods of suicide

Sinyor

Williams

Vincent

et al. 2019

Journal of Affective Disorders

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“…Helium suicides accounted for 183 deaths, with a noticeable upward trend from 2 cases in 2001 to 53 cases in 2011 [7]. An analysis of 1333 cases of suicide committed in the territories of Amsterdam-Amstelland and Zaanstreek-Waterland in the period from 2005 to 2014 found 83 cases of suicide by asphyxia with a plastic bag [8]. Among them, helium contributed to death in 16 cases from 2005 to 2012 and in 13 cases from 2013 to 2014 [8].…”

Section: Introductionmentioning

confidence: 99%

“…An analysis of 1333 cases of suicide committed in the territories of Amsterdam-Amstelland and Zaanstreek-Waterland in the period from 2005 to 2014 found 83 cases of suicide by asphyxia with a plastic bag [8]. Among them, helium contributed to death in 16 cases from 2005 to 2012 and in 13 cases from 2013 to 2014 [8]. The literature also described cases reported in other European countries: Austria (three cases recorded in Vienna within 3 months) [9], Germany [10], Switzerland [11], and Norway [12].…”

Section: Introductionmentioning

confidence: 99%

Suicidal deaths due to helium inhalation

2019

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Purpose The authors reviewed the literature paying attention to helium suicide rates, autopsy findings in people exposed to helium, methods of collecting biological material for toxicological tests, and analytical methods used for detection and quantification of helium in the collected specimens. Methods All reviewed information was gathered through a detailed search of Scopus, PubMed and the WorldWide Web using relevant keywords, e.g., helium, asphyxia, and suicide. Results The use of helium for suicidal purposes is becoming an increasingly common phenomenon around the world. This is undoubtedly influenced by the Internet, which explains in detail the technical aspects of the suicidal use of helium and describes the dying process. Exposure to helium does not lead to poisoning; instead, death is caused by asphyxia. Conclusions Deaths due to helium asphyxiation are still a problem for modern forensic toxicology. Most current methods for collecting biological specimens and identifying the gas seem to be insufficient to give definite opinions in cases of helium asphyxiation. More attempts should be made to modify these methods in order to improve and facilitate detection and quantitative determination of helium and other inert gases.

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Prehospital characteristics, incidence trends, and outcome of emergency self‐inflicted injury patients with gas substances: a population‐based descriptive study in Osaka, Japan

Katayama

Matsuyama

Kitamura

et al. 2019

Acute Medicine & Surgery

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Little is known about the detailed characteristics of patients using gas substances for self-inflicted injury in prehospital settings. The aim of this study was to investigate the characteristics, incidence trends, and outcomes of patients who used gas substances for self-inflicted injury in Osaka City, Japan, using ambulance records. Methods: This was a retrospective observational study that used data from 2009 to 2015. We extracted details from ambulance records of self-inflicted injury patients who used gas substances. The annual incidence of self-inflicted injury by gas substance and age group and Poisson regression models were applied for calculating the annual incidence trend by type of gas substance. The main outcome was confirmed death at the scene, and we also calculated the crude odds ratios and 95% confidence intervals for each gas substance. Results: During the study period, there were 324 self-inflicted injury patients who used gas substances. The most commonly used gases were carbon monoxide (CO) (54.9%), followed by hydrogen sulfide (12.7%), helium (6.5%). The incidence of CO and hydrogen sulfide have subsequently decreased (P for trend = 0.023 and <0.001, respectively); however, the incidence of helium did not change during the study period (P for trend = 0.586). The mortality rate was highest in patients who used helium (66.7% [14/21]) and the crude odds ratio of helium was 3.857 (95% confidence interval, 1.267-11.745; P = 0.017) compared with hydrogen sulfide. Conclusion: This study revealed that the incidence of self-inflicted injury with helium did not change and its proportion of death at the scene was high in Osaka City.

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Suicide by asphyxiation with or without helium inhalation in the region of Amsterdam (2005–2014)

Cited by 14 publications

References 11 publications

Suicide deaths by gas inhalation in Toronto: An observational study of emerging methods of suicide

Suicide deaths by gas inhalation in Toronto: An observational study of emerging methods of suicide

Suicidal deaths due to helium inhalation

Prehospital characteristics, incidence trends, and outcome of emergency self‐inflicted injury patients with gas substances: a population‐based descriptive study in Osaka, Japan

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