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Exposure to air pollution and risk of hospitalization for cardiovascular diseases amongst Vietnamese adults: Case-crossover study
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID 4517002
Author(s) Nhung, Nguyen Thi Trang; Schindler, Christian; Chau, Ngo Quy; Hanh, Phan Thi; Hoang, Le Tu; Dien, Tran Minh; Thanh, Nguyen Thi Nhat; Künzli, Nino
Author(s) at UniBasel Nguyen, Nhung
Schindler, Christian
Künzli, Nino
Year 2019
Title Exposure to air pollution and risk of hospitalization for cardiovascular diseases amongst Vietnamese adults: Case-crossover study
Journal Science of the Total Environment
Volume 703
Pages / Article-Number 134637
Keywords Ambient air pollution; Arrhythmia; Cardiac disease; Cardiac failure; Cardiovascular disease; Ischemic heart disease; Stroke; Vietnam
Abstract Associations between hospital admissions and ambient air pollutants in the Vietnamese population have been reported in previous studies. However, most studies were conducted in Hanoi or Hochiminh city. We used hospital records of seven hospitals in Northern Vietnam to investigate short-term associations between ambient air pollutants and hospital admissions due to cardiovascular conditions.; We used 135'101 hospital records of residents (age ≥15) living in three provinces (Hanoi, Quang Ninh, and Phu Tho) and daily ambient air pollutant concentrations to estimate percentage changes and 95% confidence intervals for hospital admissions due to seven cardiovascular conditions per interquartile range (IQR) increases in daily ambient air pollutants. We used a time-stratified case-crossover analysis adjusting for meteorological factors, indicators of holidays and influenza epidemics. We also investigated modification of effects by age groups (<65 and ≥65), seasons (cold and hot) and hospital levels (national and province level).; Particulate matter concentrations were positively associated with daily hospital admissions due to most cardiovascular conditions. For example, an increment in the two-day average (lag1-2) level of PM; 2.5; by one IQR (34.4 µg/m; 3; ) was associated with a 6.3% (95%CI: 3.0%-9.8%) increase in the daily count of admissions for ischemic heart disease in Hanoi and with 23.2% (95%CI: 11.1%-36.5%) for cardiac failure in Quang Ninh. Moreover, hospitalisations for stroke in Hanoi and cardiac failure in Phu Tho showed strong positive associations with SO; 2; . The findings also show that estimates varied by age groups, seasons and hospital levels.; Ambient air pollutants were associated with daily cardiovascular admissions in Northern Vietnam. The findings underline the important role of ambient air pollutants as a trigger of cardiovascular conditions.
Publisher Elsevier
ISSN/ISBN 0048-9697 ; 1879-1026
Full Text on edoc No
Digital Object Identifier DOI 10.1016/j.scitotenv.2019.134637
PubMed ID
ISI-Number MEDLINE:31731158
Document type (ISI) Journal Article

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