Association Between Air Pollution and Cardiovascular Disease Hospitalizations in Lanzhou City, 2013-2020: A Time Series Analysis

Overview

Journal Geohealth

Date 2024 Jan 4

PMID 38173697

Authors

Jingze Yu

Anning Zhu

Miaoxin Liu

Jiyuan Dong

Rentong Chen

Tian Tian

Tong Liu

Li Ma

Ye Ruan

Affiliations

Soon will be listed here.

Abstract

Extensive evidence has shown that air pollution increases the risk of cardiovascular disease (CVD) admissions. We aimed to explore the short-term effect of air pollution on CVD admissions in Lanzhou residents and their lag effects. Meteorological data, air pollution data, and a total of 309,561 daily hospitalizations for CVD among urban residents in Lanzhou were collected from 2013 to 2020. Distributed lag non-linear model was used to analyze the relationship between air pollutants and CVD admissions, stratified by gender, age, and season. PM, NO, and CO have the strongest harmful effects at lag03, while SO at lag3. The relative risks of CVD admissions were 1.0013(95% CI: 1.0003, 1.0023), 1.0032(95% CI: 1.0008, 1.0056), and 1.0040(95% CI: 1.0024, 1.0057) when PM, SO, and NO concentrations were increased by 10 μg/m³, respectively. Each 1 mg/m increase in CO concentration was associated with a relative risk of cardiovascular hospitalization of risk was 1.0909(95% CI: 1.0367, 1.1479). We observed a relative risk of 0.9981(95% CI: 0.9972, 0.9991) for each 10 μg/m³ increase in O for CVD admissions at lag06. We found a significant lag effects of air pollutants on CVD admissions. NO and CO pose a greater risk of hospitalization for women, while PM and SO have a greater impact on men. PM, NO, and CO have a greater impact on CVD admissions in individuals aged <65 years, whereas SO affects those aged ≥65 years. Our research indicates a possible short-term impact of air pollution on CVD. Local public health and environmental policies should take these preliminary findings into account.

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