Association of Fine and Coarse Particles with Mortality in Canary Island Cities Affected by Saharan Dust Intrusion

López-Villarrubia, Elena; Iñiguez, Carmen; Ballester, Ferrán; Peral, Nieves; García, Dolores

doi:10.1097/01.ede.0000362670.35941.be

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“…Estimated effects are reported as percentage increases in risk of death (IR%), and 95% confidence intervals (95% CI) associated with an increase of 10 µg/m 3 in the PM fractions. A total of 27 studies reported the quantitative estimations of mortality effects due to exposure to desert dust, and three studies were excluded due to their qualitative descriptions that confirm the association between human mortality and desert dust or deficiency of dust concentration for convert to 10 µg/m 3 increases [29,65,66]. The specific age groups (above 75 years, above 65 years, or above 35 yeas) or all ages for epidemiological analysis are also listed in Table 1.…”

Section: Desert Dust and Human Mortalitymentioning

confidence: 99%

A Systematic Review of Global Desert Dust and Associated Human Health Effects

et al. 2016

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Dust storms and sandy dust events originating in arid and semi-arid areas can transport particulate material, pollutants, and potential transport long distances from their sources. Exposure to desert dust particles is generally acknowledged to endanger human health. However, most studies have examined anthropogenic particulate sources, with few studies considering contributions from natural desert dust. A systematic literature review was undertaken using the ISI Web of Knowledge and PubMed databases with the objective of identifying all studies presenting results on the potential health impact from desert dust particles across the world. This review reveals an imbalance between the areas most exposed to dust and the areas most studied in terms of health effects. Among the human health effects of dust storms are mortality and morbidity, arising from respiratory system, circulatory system, and other diseases. We summarize the quantitative results of current scientific health research and possible pathological mechanisms, and describe some of the many challenges related to understanding health effects from exposures to desert dust particles. Overall, for respiratory and circulatory mortality, both positive and negative associations have been reported for PM 10 of desert dust, but only a positive relationship was reported between PM 2.5-10 and mortality, and a positive relationship was also reported between PM 2.5 and human mortality. Future pathological studies should continue to focus on those mechanisms causing the most harmful effect of desert dust on respiratory and cardiovascular diseases. More attention should also be paid to the association between desert dust and the morbidity of other diseases, such as those affecting the reproductive system and nervous system.

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Section: Desert Dust and Human Mortalitymentioning

confidence: 99%