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Association Between Ambient Air Pollution and Hospitalization Caused by Atrial Fibrillation Publisher

Summary: Research in Iran indicates higher nitrogen dioxide pollution levels might link to more hospital stays for atrial fibrillation with rapid heartbeat. Highlights urgency to cut pollution in cities for heart protection. #AirPollution #HeartHealth

Saifipour A1 ; Azhari A2 ; Pourmoghaddas A3 ; Hosseini SM4 ; Jafarikoshki T5 ; Rahimi M6 ; Nasri A7 ; Shishehforoush M8 ; Lahijanzadeh A9 ; Sadeghian B10 ; Moazam E11 ; Mohebi MB12 ; Ezatian V13 ; Rabiei K14 Show All Authors
Authors
  1. Saifipour A1
  2. Azhari A2
  3. Pourmoghaddas A3
  4. Hosseini SM4
  5. Jafarikoshki T5
  6. Rahimi M6
  7. Nasri A7
  8. Shishehforoush M8
  9. Lahijanzadeh A9
  10. Sadeghian B10
  11. Moazam E11
  12. Mohebi MB12
  13. Ezatian V13
  14. Rabiei K14
  15. Sarrafzadegan N14

Source: ARYA Atherosclerosis Published:2019


Abstract

BACKGROUND: Many studies have shown the worst effects of air pollution on cardiovascular diseases (CVDs). Present study focused on the relationship between atrial fibrillation (AF), as one of the common arrhythmias, and air pollutants in Isfahan, Iran, an industrial city in the Middle East. METHODS: A case-crossover design was used toexplore the associations between air pollution and AF hospitalized patients with ventricular response (VR) > 90 beats per minute (bpm) (fast response) and those with VR ≤ 90 bpm. All patients' records were extracted from their hospital files. Air pollutants data including particulate matter less than 10 µ (PM10), PM2.5, carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), and ozone (O3) were obtained from the Correlation of Air Pollution with Hospitalization and Mortality of Cardiovascular and Respiratory Diseases (CAPACITY) study. Conditional logistic regression test was used to measure the relationship between pollutants and hospitalization due to AF. RESULTS: Records of 369 patients, including 173 men (46.9%) who were hospitalized for AF during the study period and had complete data were extracted. Although a positive but not statistically significant relationship was shown between 10-unit increases in all pollutants (except PM10) and the hospitalization due to AF in patients with rapid VR (RVR), the only significant relationship was observed in case of NO2 [odds ratio (OR) = 1.26, 95% confidence interval (CI) = 1.0-2.1, P = 0.031]. CONCLUSION: This study showed positive significant relationships between NO2 and the hospitalization due to AF in patients with RVR. NO2 is a greenhouse gas whose levels are expected to increase due to global environmental changes. Therefore, relevant strategies should be adopted to decrease its levels, especially in industrial cities like Isfahan. © 2019, Isfahan University of Medical Sciences(IUMS). All rights reserved.
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