ERS Respiratory Channel

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Abstract

INTRODUCTION: The anthracosis is a black carbon particle associated to air pollution. However, the impact of different types of cities in lung deposition patterns of anthracosis is not known yet.

AIMS AND OBJECTIVES: to determine the anthracosis lung deposition pattern related to geolocalized air pollution in a temporal manner.

METHODS: A retrospective study was carried out with 328 lung samples autopsies from an urban/industrial (A) and rural (B) city between 2010 and 2022. Age and geolocalization were collected. Presence of anthracotic foci according to lung compartment were analyzed.

RESULTS: While the broncovascular and interstitial compartments showed higher levels of anthracosis in City A compared to City B, interlobular septal one is inverse. City A revealed a higher presence of anthracosis in early age compared to City B. Interestingly, City A is similar to City B in >60yo. Geolocalization indicated that green areas in an urban city reduced a presence of anthracosis.

CONCLUSIONS: The anthracosis lung deposition pattern and its different compartmental distributions are change by geolocalization of air pollution according to age of exposition time. Our study raises new insights between pulmonary pathology and health environment to understanding the pathogenesis. (FAPESP Nº21/09024-6,20/13370-4, 22/02821-0).

Abstract

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