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. of a temperate climate, the assessment was planned in individual seasons. Due to the high prevalence of hypertension problem and its complications in Poland, a study group of patients with hypertension was selected, which had ABPM performed in our center. This study is the first study in Poland, which has evaluated the effect of AP on BP in patients with arterial hypertension on such a scale. The proposed method allowed calculation of the correlation between atmospheric and blood pressure. MATERIAL AND METHODSAveraged atmospheric pressure was determined for each reading of the ABPM parameters. Weather parameters were calculated as the average of the records from the weather station for a period of 5 min -in the range from 2.5 min before reading the ABPM parameters to 2.5 min after reading this parameter. PatientsThe study used ABPM records of patients of the Cardiology Clinic, Biegański Hospital in Łódź, which were performed in the

PSLS although diminished in both groups with CAD was lower in diabetics at all DSE stages, and DM was an independent predictor of this impairment. However, the dobutamine challenge did not deepen the resting differences, suggesting that the direct impact of coronary stenoses effaces the influence of DM during DSE. The comparison with our previous data revealed synergistic, detrimental effect of coexisting CAD and DM on myocardial strain.

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