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    Wyświetlanie 1-3 z 3
    Tytuł:
    The relationship between blood pressure variability and outcome in acute ischemic stroke
    Autorzy:
    Kowalczyk, Kamil
    Gąsecki, Dariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/895775.pdf
    Data publikacji:
    2020-01-09
    Wydawca:
    Gdański Uniwersytet Medyczny
    Tematy:
    outcome
    ischemic stroke
    blood pressure variability
    Opis:
    Stroke is the second most common cause of mortality. Ischemic stroke is approximately 10 times more common than haemorrhagic stroke. The strongest risk factor for ischemic stroke is hypertension; thus, reduction of blood pressure decreases the risk of ischemic stroke. However, the prognostic importance of blood pressure after is unclear. The problem is even more complex considering blood pressure variability, i.e. continuous changes of blood pressure values. The aim of this review is to discuss very short-term, short-term, mid-term, and long-term blood pressure variability in the context of clinical outcome in patients after acute ischemic stroke.
    Źródło:
    European Journal of Translational and Clinical Medicine; 2019, 2, 2; 61-70
    2657-3148
    2657-3156
    Pojawia się w:
    European Journal of Translational and Clinical Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cardiovascular system parameters in participants of Arctic expeditions
    Autorzy:
    Pankova, Nataliya B.
    Alchinova, Irina B.
    Cherepov, Anton B.
    Yakovenko, Elena N.
    Karganov, Mikhail Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2116502.pdf
    Data publikacji:
    2020-10-20
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    adaptation
    heart rate variability
    cardiovascular system
    climate
    blood pressure variability
    baroreflex sensitivity
    Opis:
    ObjectivesA method of continuous heart rate (HR) and blood pressure (BP) recording was used for the evaluation of the cardiovascular system parameters in participants of short-term (<1 month) high-latitude expeditions, in comparison with the parameters of residents of Central Russia and the Arctic region.Material and MethodsA dynamic examination of participants of Arctic expeditions (30 men, residents of middle-latitude regions, aged 46.7±1.7 years), workers permanently living in Central Russia (the Moscow region, 44 men, aged 46.7±1.0 years) and residents of the North (the Murmansk region, 35 men, aged 46.6±1.3 years) was performed. The authors used a spiroartheriocardiorythmograph allowing the parallel recording of HR, BP, spectral characteristics of HR variability (HRV) and the variability of systolic BP (sBP) and diastolic BP (dBP), cardiac performance parameters, and spontaneous baroreflex sensitivity (BRS). The parameters were recorded at rest, in a sitting position, over 2 min.ResultsThe basic clinical parameters (HR, BP and cardiac performance) did not differ in the workers living in different climatic zones. However, the residents of the North demonstrated a lower total power (TP) of the dBP variability spectrum and a lower relative power of the high-frequency (HF) range in both the sBP and dBP variability spectra. The participants of expeditions to the North had a lower TP of the HRV spectrum (in comparison with both control groups) that did not change during the expeditions; BRS was reduced, while the TP of the sBP spectrum was increased in comparison with the corresponding parameters obtained from the residents of circumpolar regions, and decreased during the expedition in parallel with a decrease in the sBP values. The TP of both the sBP and dBP variability spectra, as well as the power of the HF range in these spectra, were similar in the participants of expeditions to those obtained from the residents of Central Russia, and they considerably surpassed the corresponding parameters in the northerners surveyed.ConclusionsThe revealed peculiarities of the cardiovascular system in the participants of high-latitude expeditions can be considered as correlates of positive, and adequate in terms of the physiological value, adaptive shifts in the autonomous regulation of the cardiovascular system.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2020, 33, 6; 819-828
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cardiovascular changes in workers exposed to fine particulate dust
    Autorzy:
    Bortkiewicz, Alicja
    Gadzicka, Elżbieta
    Stroszejn-Mrowca, Grażyna
    Szyjkowska, Agata
    Szymczak, Wiesław
    Koszada-Włodarczyk, Wiesława
    Szadkowska-Stańczyk, Irena
    Powiązania:
    https://bibliotekanauki.pl/articles/2178789.pdf
    Data publikacji:
    2014-03-22
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    ceramic industry
    heart rate variability
    air pollution
    respirable dust
    blood pressure monitoring
    ABPM
    Opis:
    Objectives: Epidemiological studies provide evidence that airborne particulate matter may contribute to the increased incidence and mortality rates due to pulmonary and cardiovascular diseases. Only some of them address the problem of occupational exposure to particulate air pollution. The aim of our study was to assess cardiovascular reaction and autonomic regulation in workers exposed to fine particles. Materials and Methods: All workers had medical examination, resting ECG with heart rate variability analysis (HRV), 24-h ECG, and ambulatory blood pressure monitoring (ABPM) performed. The subjects were 20 male workers (mean age: 32.14.0 year) of a ceramic ware factory exposed to the dust and 20 workers who were not exposed (mean age: 39.4±7.8 year). The period of employment under exposure amounted to 5.6±2.1 year. Dust exposure was measured using individual dosimeters. Results: The geometric mean total dust concentration was 44±1.5 mg/m³ and the FPD (fine particulate dust) concentration amounted to 11.5±1.6 mg/m³. No abnormalities were noted in the resting ECG in both groups, in 24-h ECG 2 subjects, both from exposed and control groups, had ventricular heart rhythm and repolarization disturbances. Blood pressure in ABPM, both systolic as well as diastolic, was normal and did not differ between the groups. Resting heart rate in the exposed group was significantly lower (p = 0.038) than in the control group. In the exposed group STD R-R from short-term records was significantly higher (p = 0.01). Fast Fourier Transform (FFT) analysis showed that the low frequency power spectrum (LF) did not differ in the exposed and the control group, while high frequency (HF) was significantly higher in the exposed group. LF/HF ratio was significantly lower in the exposed in comparison with the control group. Conclusions: Although we did not reveal significant abnormalities in ECG as well as in ABPM in the exposed group, it seems that neurovegetative disturbances (parasympathetic predominance) may serve as an early indicator of fine particulate dust effect on cardiovascular system.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2014, 27, 1; 78-92
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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