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ORIGINAL PAPER
 
CC BY-NC 3.0 Polska
 
 

Evaluation of the impact of atmospheric pressure in different seasons on blood pressure in patients with arterial hypertension

Rafał Kotas 1,  
Piotr Mazur 1,  
Ewa Trzos 2,  
 
1
Lodz University of Technology, Łódź, Poland (Department of Microelectronics and Computer Science)
2
Medical University of Lodz, Łódź, Poland (Department of Cardiology)
Int J Occup Med Environ Health 2016;29(5):783–792
KEYWORDS:
TOPICS:
ABSTRACT:
Objectives: Atmospheric pressure is the most objective weather factor because regardless of if outdoors or indoors it affects all objects in the same way. The majority of previous studies have used the average daily values of atmospheric pressure in a bioclimatic analysis and have found no correlation with blood pressure changes. The main objective of our research was to assess the relationship between atmospheric pressure recorded with a frequency of 1 measurement per minute and the results of 24-h blood pressure monitoring in patients with treated hypertension in different seasons in the moderate climate of the City of Łódź (Poland). Material and Methods: The study group consisted of 1662 patients, divided into 2 equal groups (due to a lower and higher average value of atmospheric pressure). Comparisons between blood pressure values in the 2 groups were performed using the Mann-Whitney U test. Results: We observed a significant difference in blood pressure recorded during the lower and higher range of atmospheric pressure: on the days of the spring months systolic (p = 0.043) and diastolic (p = 0.005) blood pressure, and at nights of the winter months systolic blood pressure (p = 0.013). Conclusions: A significant inverse relationship between atmospheric pressure and blood pressure during the spring days and, only for systolic blood pressure, during winter nights was observed. Int J Occup Med Environ Health 2016;29(5):783–792
CORRESPONDING AUTHOR:
Urszula I. Cieślik-Guerra   
Medical University of Lodz, Department of Cardiology, Biegański Hospital, Kniaziewicza 1/5, 91-347 Łódź, Poland
eISSN:1896-494X
ISSN:1232-1087