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Revista chilena de cardiología

versión On-line ISSN 0718-8560

Resumen

ROMAN A, Oscar et al. Increased risk of consultation for cardiovascular problems related to particle atmospheric pollution: A study in Santiago, Chile. Rev Chil Cardiol [online]. 2009, vol.28, n.2, pp.159-164. ISSN 0718-8560.  http://dx.doi.org/10.4067/S0718-85602009000200003.

Background: Atmospheric contamination due to particles is recognized as a factor related to an increased risk of cardiovascular disease. Santiago has one of the greatest concentrations of MP 10 and MP 2.5 particles in the world. Aim: to determine the association of daily changes in particle concentration and cardiovascular morbidity in 6 emergency consultation centers in Santiago. Methods: Total number of consults, myocardial infarction, stroke and hypertensive crisis were included as endpoints. Concentration of particles was obtained from registries routinely made in 7 centers of a city based environmental agency ("Monitoring quality of air in the Metropolitan Region", MACAM). Air temperature and humidity were obtained from the Chilean Meteorology Institute. Data were analyzed using a multiple regression model (GAM). Results: Throughout 2007, concentration of MP 10 was above the norm recommended by WHO. This was associated to a 10% increase in CV related consultations. In relation to MP 2.5 the risk was increased 17%. The CV risk peaked at 15% and 28% in June and July, respectively. All relations were highly significant (p<0.001) including the 4 and 13% increase in hypertension emergencies. Conclusion: Increased particle concentration in the air is significantly associated to a higher risk of cardiovascular consultation in Santiago. The risk is higher in relation to increased MP 2.5 particle concentration.

Palabras clave : air polution; cardiovascular morbidity.

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