Exacerbation of daily cough and allergic symptoms in adult patients with chronic cough by Asian dust: A hospital-based study in Kanazawa

Higashi, T.; Kambayashi, Yasuhiro; Ohkura, Noriyuki; Fujimura, Masaki; Nakanishi, Sayaka; Yoshizaki, Tomokazu; Saijoh, Kiyofumi; Hayakawa, Kazuichi; Kobayashi, Fuminori; Michigami, Yoshimasa; Hitomi, Yoshiaki; Nakamura, Hiroyuki

doi:10.1016/j.atmosenv.2014.01.041

Cited by 23 publications

(13 citation statements)

References 35 publications

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“…The daily prevalence of eye irritation was also significantly higher during the lag period after the dust event than during the control days in Korea [114]. In addition, during Asian dust periods when the daily levels of Japanese cedar pollen, Japanese cypress pollen, and PAHs were elevated, there were significantly more patients who experienced itchy eyes than during the non-Asian dust period [126].…”

Section: Desert Dust and Other Infectious Diseasesmentioning

confidence: 82%

“…The preliminary study from Higashi et al [126] indicates that Asian dust triggers cough and allergic symptoms in adult patients suffering from chronic cough. A dose-response relationship between desert dust and daily cough occurrence and potential lag effects were observed in the panel study conducted by Higashi et al [127], who also noted that the desert dust effect on cough was independent of other spherical particles or PM 2.5 .…”

Section: Desert Dust and Other Respiratory Diseasesmentioning

confidence: 99%

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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 Other Infectious Diseasesmentioning

confidence: 82%

Section: Desert Dust and Other Respiratory Diseasesmentioning

confidence: 99%

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

et al. 2016

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“…These phenomena can damage infrastructures, telecommunications and crops, affect transportation through reduced visibility, and cause tremendous economic losses. Carrying diversified allergens, dust storms also significantly threaten human health (Goudie, 2009;Higashi et al, 2014;Powell et al, 2015). In a general perspective, West Asia, including Arabian Peninsula, Syria, Iraq and Iran, has been recognized as one of the most important primary sources of dust (Prospero et al, 2002;Boloorani et al, 2013;WMO and UNEP, 2013).…”

mentioning

confidence: 99%

Identification of sand and dust storm source areas in Iran

Jian²,

et al. 2015

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Sand and dust storms (SDS) are common phenomena in arid and semi-arid areas. In recent years, SDS frequencies and intensities have increased significantly in Iran. A research on SDS sources is important for understanding the mechanisms of dust generation and assessing its socio-economic and environmental impacts. In this paper, we developed a new approach to identify SDS source areas in Iran using a combination of nine related datasets, namely drought events, temperature, precipitation, location of sandy soils, SDS frequency, human-induced soil degradation (HISD), human influence index (HII), rain use efficiency (RUE) and net primary productivity (NPP) loss. To identify SDS source areas, we firstly normalized these datasets under uniform criteria including layer reprojection using Lambert conformal conic projection, data conversion from shapefile to raster, Min-Max Normalization with data range from 0 to 1, and data interpolation by Kriging and images resampling (resolution of 1 km). After that, a score map for the possibility of SDS sources was generated through overlaying multiple datasets under average weight allocation criterion, in which each item obtained weight equally. In the score map, the higher the score, the more possible a specific area could be regarded as SDS source area. Exceptions mostly came from large cities, like Tehran and Isfahan. As a result, final SDS source areas were mapped out, and Al-Howizeh/Al-Azim marshes and Sistan Basin were identified as main SDS source areas in Iran. The SDS source area in Al-Howizeh/Al-Azim marshes still keeps expanding. In addition, Al-Howizeh/Al-Azim marshes are now suffering rapid land degradation due to natural and human-induced factors and might totally vanish in the near future. Sistan Basin also demonstrates the impacts of soil degradation and wind erosion. With appropriate intensity, duration, wind speed and altitude of the dust storms, sand particles uplifting from this area might have developed into extreme dust storms, especially during the summer.Keywords: sand and dust storm; weight allocation criterion; Kriging interpolation; score map; Al-Howizeh/Al-Azim marshes; Sistan Basin Citation: CAO Hui, LIU Jian, WANG Guizhou, YANG Guang, LUO Lei. 2015. Identification of sand and dust storm source areas in

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“…12) Approximately 180 t/km 2 of Asian dust particles are estimated to fall annually on Beijing, China. 13) There are significant concerns regarding the health effects of Asian dust [14][15][16][17][18] as well as the influence of microbes transported by Asian dust events on plant, animal and human diseases and on downwind ecosystems. [19][20][21][22] To estimate the risk of bacteria transported by Asian dust events on human health and downwind ecosystems, the abundance and community structure of bacteria carried on Asian dust particles should be accurately determined.…”

mentioning

confidence: 99%

Abundance and Community Structure of Bacteria on Asian Dust Particles Collected in Beijing, China, during the Asian Dust Season

Yamaguchi

Baba

Ichijo

et al. 2016

Biological & Pharmaceutical Bulletin

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Approximately 180 t/km2 of Asian dust particles are estimated to fall annually on Beijing, China, and there is significant concern about the influence of microbes transported by Asian dust events on human health and downwind ecosystems. In this study, we collected Asian dust particles in Beijing, and analyzed the bacterial communities on these particles by culture-independent methods. Bacterial cells on Asian dust particles were visualized first by laser scanning microscopy, which demonstrated that Asian dust particles carry bacterial cells to Beijing. Bacterial abundance, as determined by quantitative polymerase chain reaction (PCR), was 10 8 to 10 9 cells/g, a value about 10 times higher than that in Asian dust source soils. Interseasonal variability of bacterial community structures among Asian dust samples, as compared by terminal restriction fragment length polymorphism (T-RFLP), was low during the Asian dust season. Several viable bacteria, including intestinal bacteria, were found in Asian dust samples by denaturing gradient gel electrophoresis (DGGE). Clone library analysis targeting 16S ribosomal RNA (rRNA) gene sequences demonstrated that bacterial phylogenetic diversity was high in the dust samples, and most of these were environmental bacteria distributed in soil and air. The dominant species in the clone library was Segetibacter aerophilus (Bacteroidetes), which was first isolated from an Asian dust sample collected in Korea. Our results also indicate the possibility of a change in the bacterial community structure during transportation and increases in desiccation-tolerant bacteria such as Firmicutes.

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Exacerbation of daily cough and allergic symptoms in adult patients with chronic cough by Asian dust: A hospital-based study in Kanazawa

Cited by 23 publications

References 35 publications

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

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

Identification of sand and dust storm source areas in Iran

Abundance and Community Structure of Bacteria on Asian Dust Particles Collected in Beijing, China, during the Asian Dust Season

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