Cardiovascular and respiratory variability related to air pollution and meteorological variables in Oporto, Portugal – preliminary study

Azevedo, Jezabel; Gonçalves, Fábio Luiz Teixeira; Leal, Anangela Ravena da Silva

doi:10.1007/978-1-4020-6010-6_45

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“…Lower temperatures and cold weather conditions during winter lead to increases in respiratory diseases (Pope, Schwartz and Ranson 1992;Azevedo, Gonc¸alves and Leal 2007) while extreme temperatures produce mortality in summer (Chestnut et al 1998). Strong winds result in the distribution of pollutants while weak winds, cloudy weathers and high pressure systems generate stable weather conditions.…”

Section: Discussionmentioning

confidence: 99%

A factor analysis study: Air pollution, meteorology, and hospital admissions for respiratory diseases

Tecer

2009

Toxicological & Environmental Chemistry

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It is well known that air pollution exerts adverse effects on health and environment. Balıkesir located in the Marmara region (Turkey) has serious air pollution problems produced by heating in the months of winter. In this study, the effect of exposure to air pollution on hospital admission for respiratory illnesses among children and adults was examined. Epidemiological data from records of hospitals, air pollutants and meteorological data were used. During July 2005-July 2007 period, there was a total of 280,426 hospital admissions for respiratory diseases. In a population-based analysis, 9 children were admitted for asthma, 17 children for acute bronchitis, and 20 children for lower respiratory diseases out of 100 children. There was a significant increase in the hospital admissions for respiratory diseases and air pollutants from October to March. It was concluded that children living in the city suffer from respiratory diseases such as asthma, pneumonia, and lower respiratory diseases. Three factors that account for approximately 90% of total variance of hospital admissions, air pollution, and meteorology were identified by means of principal component factor analysis.

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Section: Discussionmentioning

confidence: 99%