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Xianlei Cai Zhenhong Li E. Marian Scott Xiuyang Li Mengyao Tang 《Environmental science and pollution research international》2016,23(7):6139-6148
Atmospheric particulate matter (PM) is hypothesized to increase the risk of myocardial infarction (MI). However, the epidemiological evidence is inconsistent. We identified 33 studies with more than 4 million MI patients and applied meta-analysis and meta-regression to assess the available evidence. Twenty-five studies presented the effects of the PM level on hospitalization for MI patients, while eight studies showed the effects on mortality. An increase in PM10 was associated with hospitalization and mortality in myocardial infarction patients (RR per 10 μg/m3?=?1.011, 95 % CI 1.006–1.016; RR per 10 μg/m3?=?1.008, 95 % CI 1.004–1.012, respectively); PM2.5 also increased the risk of hospitalization and mortality in MI patients (RR per 10 μg/m3?=?1.024, 95 % CI 1.007–1.041 for hospitalization and RR per 10 μg/m3?=?1.012, 95 % CI 1.010–1.015 for mortality). The results of the cumulative meta-analysis indicated that PM10 and PM2.5 were associated with myocardial infarctionwith the addition of new studies each year. In conclusion, short-term exposure to high PM10 and PM2.5 levels revealed to increase risk of hospitalization and mortality for myocardial infarction. Policy support of pollution control and individual protection was strongly recommended. 相似文献
94.
Backward linkages refer to the various inter-firm relationships connecting an industry with its supply chain. Demand–supply interactions between producer firms and suppliers of original equipment, strategic inputs, components and specialised services have played an important role in the evolution of the South African mining sector, contributing indirectly to employment creation, new business growth and expansion, improved efficiency of mining operations, and new knowledge generation. This paper presents a case study of backward linkage development in the South African platinum group metals (PGM) industry and draws on the findings from a quantitative and qualitative analysis of the sector undertaken in 2007. A profile of the supply chain is provided and an assessment made of the strength and sustainability of existing linkages. 相似文献
95.
Cristache Nicoleta Soare Ionica Nastase Marian Antohi Valentin Marian 《Environment, Development and Sustainability》2022,24(4):5514-5530
Environment, Development and Sustainability - The economic development of the tourism in disadvantaged mountain areas has the role of sustaining their development and economic growth. The premise... 相似文献
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Environmental Economics and Policy Studies - Globalization is accompanied by increasing current account imbalances. They can undermine the positive impacts of increasing international cooperation... 相似文献