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Risk of deaths due to injuries in travellers: a systematic review
Benjamin A Wyler1, Hannah M Young2, Stephen W Hargarten3
1Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY 10029, USA.
Background:
Annual global travel reached an all-time high of 1.4 billion international tourist visits in 2019. It is estimated that injury accounts for close to 25% of deaths in travellers, most of which are theoretically preventable. However, there are limited data available on injury occurrence and outcomes in travellers. Our objective was to better understand the relative risk of dying from injury that arises from the novel environments and behavioural changes associated with foreign travel.
Methods:
A systematic literature review was conducted (PubMed, Embase and Scopus) according to PRISMA guidelines that included studies published in English since 1990 that reported injury deaths in tourists per 100 000-person years or as a proportion of total tourist deaths in comparison to a non-traveller population. We also included studies that reported data allowing calculation of these rates. Relative rates or proportions of overall injury mortality, mortality due to traffic accidents, drowning and homicide were summarized.
Results:
In total, 1847 articles were identified, 105 underwent full-text review, and 10 articles were suitable for data extraction. There was great variability of relative risk reported, but overall, travellers appear to have a higher risk of injury mortality than domestic populations, with relative rates of injury death ranging from 1.04 to 16.7 and proportionate mortality ratios ranging from 1.43 to 3.
Conclusions:
Tourists should be aware of the increased risk of dying from road traffic hazards, drowning and homicide while traveling abroad. Specific geographies and activities associated with higher risk should be emphasized. Travel medicine practitioners and organizations that send people abroad should counsel travellers regarding these risks and seek ways to reduce them, including encouraging potential risk-mitigating behaviours. There is a need to improve systems of data collection and reporting on injury deaths in travellers and to study the impact of pre-travel and institutional interventions aimed at reducing this risk.
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