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Atmospheric conditions and the occurrence of out-of-hospital cardiac arrest in Poland — preliminary analysis of poorly understood phenomena
Affiliations- Department of Cardiology and Internal Medicine, Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz
- Emergency Medical Center in Opole, Opole
- Department of Probability Theory and Stochastic Analysis, Nicolaus Copernicus University, Toruń
- Department of Health Promotion, Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz
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Abstract
Background: The aim of this study was to investigate numerous daily weather conditions and the incidence
of out-of-hospital cardiac arrest (OHCA) in the moderate climate of Poland. The authors particularly
wanted to examine yet poorly explored individual atmospheric parameters that may presumably influence
the incidence of OHCA.
Methods: The retrospective analysis of OHCA cases based on dispatch cards from Emergency Medical
Centre in Opole, Poland covering 2 years (2006–2007). Total of 815 adults with presumed cardiac aetiology
of OHCA was included.
Results: The mean age of the group was 69,2 ± 14,2 years, with the majority of men (63%). No statistically
significant differences were found in the incidence of OHCA regarding analysed weather conditions. In
the subgroup of men, the incidence of OHCA was higher on days with the atmospheric pressure increase
between consecutive days (p = 0.028) with the highest prevalence on days with pressure increase less
than 5 hPa (p = 0.026). In a group of patients ≤ 65 years old the incidence of OHCA was the highest on
days with day-to-day pressure change between 0.1 and 4.9 hPa (p = 0.025).
Conclusions: Among many weather parameters, only a few of them might be significant for the occurrence
of OHCA in the moderate climate of Poland. In the population of men and patients ≤ 65 years old the
incidence of OHCA may be influenced by atmospheric pressure changes.
Abstract
Background: The aim of this study was to investigate numerous daily weather conditions and the incidence
of out-of-hospital cardiac arrest (OHCA) in the moderate climate of Poland. The authors particularly
wanted to examine yet poorly explored individual atmospheric parameters that may presumably influence
the incidence of OHCA.
Methods: The retrospective analysis of OHCA cases based on dispatch cards from Emergency Medical
Centre in Opole, Poland covering 2 years (2006–2007). Total of 815 adults with presumed cardiac aetiology
of OHCA was included.
Results: The mean age of the group was 69,2 ± 14,2 years, with the majority of men (63%). No statistically
significant differences were found in the incidence of OHCA regarding analysed weather conditions. In
the subgroup of men, the incidence of OHCA was higher on days with the atmospheric pressure increase
between consecutive days (p = 0.028) with the highest prevalence on days with pressure increase less
than 5 hPa (p = 0.026). In a group of patients ≤ 65 years old the incidence of OHCA was the highest on
days with day-to-day pressure change between 0.1 and 4.9 hPa (p = 0.025).
Conclusions: Among many weather parameters, only a few of them might be significant for the occurrence
of OHCA in the moderate climate of Poland. In the population of men and patients ≤ 65 years old the
incidence of OHCA may be influenced by atmospheric pressure changes.
Keywords
cardiac arrest, variability, temperature, atmospheric pressure, humidity, weather conditions
About this articleTitle
Atmospheric conditions and the occurrence of out-of-hospital cardiac arrest in Poland — preliminary analysis of poorly understood phenomena
Journal
Issue
Article type
Original article
Pages
121-126
Published online
2018-10-25
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1076
Article views/downloads
825
DOI
Bibliographic record
Medical Research Journal 2018;3(3):121-126.
Keywords
cardiac arrest
variability
temperature
atmospheric pressure
humidity
weather conditions
Authors
Jakub Ratajczak
Piotr Łach
Stanisław Szczerbiński
Przemysław Paciorek
Joanna Karłowska-Pik
Bartosz Ziemkiewicz
Małgorzata Jasiewicz
Aldona Kubica
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