Pollen Augments the Influence of Desert Dust on Symptoms of Adult Asthma Patients

Watanabe, Masanari; Igishi, Tadashi; Burioka, Naoto; Yamasaki, Akira; Kurai, Jun; Takeuchi, Hiromi; Sako, Takanori; Yoshida, Akitoshi; Yoneda, Kazuhiko; Fukuoka, Yasushi; Nakamoto, Masaki; Hasegawa, Yasuyuki; Chikumi, Hiroki; Matsumoto, Shingo; Minato, Sayaka; Horasaki, Kazunori; Shimizu, Eiji

doi:10.2332/allergolint.10-oa-0298

Cited by 38 publications

(28 citation statements)

References 36 publications

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“…This result suggests that ADS exposure can induce an increase of airway inflammation and a decrease of pulmonary function. We have not found a significant association of exposure to an ADS with pulmonary function in previous studies (4,5). However, 11% to 22% of adult patients with asthma noted worsening lower respiratory tract symptoms on ADS days, and also had decreased pulmonary function (4,5).…”

Section: Discussioncontrasting

confidence: 64%

“…We have not found a significant association of exposure to an ADS with pulmonary function in previous studies (4,5). However, 11% to 22% of adult patients with asthma noted worsening lower respiratory tract symptoms on ADS days, and also had decreased pulmonary function (4,5). There are several clinical phenotypes in asthma (26) and the effects of ADS on asthma may differ in each patient, with only a minority of patients experiencing exacerbation due to exposure to ADS.…”

Section: Discussionmentioning

confidence: 57%

“…Recent studies have shown an association of ADS exposure with an increased risk of exacerbation of asthma (2,3). Our previous telephone surveys also showed that ADS can aggravate respiratory symptoms and pulmonary function in adult patients with asthma (4,5). In animal models, ADS airborne particles can increase pulmonary inflammation and infiltration (6,7), but it remains unclear how exposure to an ADS influences airway inflammation in humans.…”

Section: Introductionmentioning

confidence: 99%

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Effect of exposure to an Asian dust storm on fractional exhaled nitric oxide in adult asthma patients in Western Japan

et al. 2015

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: Background : Epidemiological investigations indicate that an Asian dust storm (ADS) can aggravate respiratory disorders. However, the effects of ADS on airway inflammation remain unclear. The aim of this study was to investigate the association of exposure to ADS with airway inflammation. Methods : The subjects were 33 adult patients with asthma who measured daily peak flow expiratory (PEF) from March to May 2012. Fractional exhaled nitric oxide (FeNO) was measured before and after ADS. Results : The FeNO values were 13.8 13.7 ppb before the ADS and 20.3 19.0 ppb after the ADS, with no significant difference. There was also no significant association of PEF with ADS exposure. However, the increase of FeNO after ADS exposure was proportional to the decrease of PEF (R=-0.78, P 0.0001). Conclusion : These results suggest that airway inflammation aggravated by ADS exposure may induce a decrease in pulmonary function in some adult patients with asthma.

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Section: Discussioncontrasting

confidence: 64%

Section: Discussionmentioning

confidence: 57%

Section: Introductionmentioning

confidence: 99%

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Effect of exposure to an Asian dust storm on fractional exhaled nitric oxide in adult asthma patients in Western Japan

et al. 2015

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“…Wantanabe [85] reported that 11%-22% of patients with asthma experienced worsening of lower respiratory tract symptoms on dust storm days. Some studies noted that pollen could augment the influence of desert dust on the morbidity of asthma and rhinitis [86][87][88].…”

Section: Desert Dust Associated With Asthma and Rhinitismentioning

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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“…Wind erosion decreases soil productivity through transporting nutrients from the soil surface (Visser & Sterk 2007). Wind erosion also influences climate change, spoils air quality, and significantly threats human health either directly or through the pathogens transported with it (Griffin 2007;Copeland et al 2009;Watanabe et al 2011). It transports micronutrients to terrestrial and marine ecosystems (Griffin & Kellog 2004).…”

mentioning

confidence: 99%

Tillage-induced wind erosion in semi-arid fallow lands of Central Anatolia, Turkey

Başaran¹,

Uzun²,

Kaplan³

et al. 2017

Soil & Water Res.

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Başaran M., Uzun O., Kaplan S., Görmez F., Erpul G. (2017): Tillage-induced wind erosion in semi-arid fallow lands of Central Anatolia, Turkey. Soil & Water Res., 12: 144−151.Wind erosion and resultant dust emissions create significant risks for land degradation and ecosystem health in arid and semi-arid regions. In these regions, fallowing constitutes a major component of conventional agriculture. The present study was conducted to determine wind erosion quantities and agricultural activity-induced mass transport from fallow lands and to assess the correlations of mass transport with climate and soil characteristics. Experiments were conducted over the fallow lands of two adjacent agricultural enterprises (Altinova and Gözlü, Turkey). Sediment flux was measured with passive traps in wet and dry seasons (Q tWET and Q tDRY ). Mass transport in wet and dry seasons was respectively measured as 11.38 and 11.40 kg/ha in Altinova and as 31.61 and 19.71 kg/ha in Gözlü. Both the differences between mass transport of the enterprises and the differences between Q tWET and Q tDRY of each enterprise were found to be significant (P < 0.05). Pearson's correlation analysis for the correlations of mass transport with soil characteristics revealed significant correlations with electrical conductivity and soil lime content (r = 0.721 and -0.635) (P < 0.05). Total mass transport from the fallow lands of both enterprises throughout a 7-month period of measurement was estimated at 600 t. Based on current findings it was concluded that fallowing should be abandoned and sustainable soil and land management practices from conventional agriculture like minimum tillage or crop rotations should be introduced.

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Pollen Augments the Influence of Desert Dust on Symptoms of Adult Asthma Patients

Abstract: Pollen augmented symptoms in adult asthma patients, but ADS on its own also were able to aggravate symptoms and pulmonary function.

Cited by 38 publications

References 36 publications

Effect of exposure to an Asian dust storm on fractional exhaled nitric oxide in adult asthma patients in Western Japan

Effect of exposure to an Asian dust storm on fractional exhaled nitric oxide in adult asthma patients in Western Japan

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

Tillage-induced wind erosion in semi-arid fallow lands of Central Anatolia, Turkey

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