Title
Atmospheric pressure fluctuations in the far infrasound range and emergency transport events coded as circulatory system diseases Atmospheric pressure fluctuations in the far infrasound range and emergency transport events coded as circulatory system diseases
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam ,
Source (journal)
International journal of biometeorology. - Amsterdam
Volume/pages
52(2008) :7 , p. 553-561
ISSN
0020-7128
ISI
000258655400001
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
This study examines whether a relation exists between rapid atmospheric pressure fluctuations, attributed to the far infrasound frequency range (APF), and a number of emergency transport events coded as circulatory system diseases (EEC). Over an entire year, the average integral amplitudes of APF in the range of periods from 3 s to 120 s over each hour (HA) were measured. Daily dynamics of HA averaged over the year revealed a wave shape with smooth increase from night to day followed by decrease from day to night. The total daily number of EEC within the city of Kiev, Ukraine, was related to the daily mean of HA (DHA) and to the ratio of HA averaged over the day time to HA averaged over the night time (Rdn), and was checked for confounding effects of classical meteorological variables through non-parametric regression algorithms. The number of EEC were significantly higher on days with high DHA (3.72-11.07 Pa, n=87) compared to the low DHA (0.7-3.62 Pa, n=260, p=0.01), as well at days with low Rdn (0.21-1.64, n=229) compared to the high Rdn (1.65-7.2, n=118, p=0.03). A difference between DHA and Rdn effects on the emergency events related to different categories of circulatory diseases points to a higher sensitivity of rheumatic and cerebro-vascular diseases to DHA, and ischaemic and hypertensive diseases to Rdn. Results suggest that APF could be considered as a meteorotropic factor capable of influencing circulatory system diseases.
E-info
https://repository.uantwerpen.be/docman/iruaauth/11a3c9/d133188.pdf
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