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    Wyświetlanie 1-11 z 11
    Tytuł:
    Kompetencje laboratorium badań systemów optoelektronicznych Wojskowego Instytutu Technicznego Uzbrojenia = Competence of laboratory for testing optoelectronic systems in Military Institute of Armament Technology
    Competence of laboratory for testing optoelectronic systems in Military Institute of Armament Technology
    Autorzy:
    Kozłowski, Grzegorz (nauki techniczne)
    Powiązania:
    Problemy Techniki Uzbrojenia 2021, nr 2, s. 37-58
    Współwytwórcy:
    Wojskowy Instytut Techniczny Uzbrojenia oth
    Data publikacji:
    2021
    Tematy:
    Wojskowy Instytut Techniczny Uzbrojenia
    Laboratoria naukowe
    Optoelektronika
    Sprzęt wojskowy
    Wojsko
    Artykuł problemowy
    Artykuł z czasopisma naukowego
    Artykuł z czasopisma wojskowego
    Opis:
    W artykule omówiono kompetencje Laboratorium Badań Systemów Optoelektronicznych Wojskowego Instytutu Technicznego w procesie pozyskiwania i eksploatacji systemów optoelektronicznych. Przedstawiono sprzęt optoelektroniczny używany przez Siły Zbrojne RP, w tym indywidualne wyposażenie żołnierzy i pojazdów, wraz z jego danymi technicznymi. Scharakteryzowano warunki laboratoryjne i wyposażenie badawcze Instytutu przeznaczone do kontroli i weryfikacji parametrów systemów noktowizyjnych i termowizyjnych.
    Tabele, ilustracje.
    Bibliografia na stronie 58.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Precision medicine and improving the outcomes of atrial tachycardia ablation: a comprehensive review
    Autorzy:
    Młyński, Mikołaj
    Sławiński, Grzegorz
    Kozłowski, Dariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/33894933.pdf
    Data publikacji:
    2024-06-28
    Wydawca:
    Gdański Uniwersytet Medyczny
    Tematy:
    atrial tachycardia
    catheter ablation
    prognostic factors
    procedural technique
    precision medicine
    Opis:
    Atrial tachycardia (AT) is a prevalent cardiac arrhythmia characterized by rapid, abnormal electrical activity originating from the atria. It represents a significant clinical challenge due to its potential for recurrence, adverse cardiovascular outcomes, and impact on patients' quality of life. Catheter ablation has emerged as a primary therapeutic modality for AT, offering the potential for rhythm control and symptom alleviation. Despite advancements in ablation techniques and technology, the success of AT ablation can vary widely among patients. Identifying prognostic factors associated with successful ablation and potential outcome improving techniques is imperative for optimizing patient care.
    Źródło:
    European Journal of Translational and Clinical Medicine; 2024, 7, 1; 5-15
    2657-3148
    2657-3156
    Pojawia się w:
    European Journal of Translational and Clinical Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    “Not The Economy, Stupid?” – Exploring the Potential Causes of a Future Polexit Departure from the EU
    Autorzy:
    Kozłowski, Artur
    Krzykowski, Grzegorz
    Fallon, Grahame
    Powiązania:
    https://bibliotekanauki.pl/articles/42943478.pdf
    Data publikacji:
    2024-06-30
    Wydawca:
    Wydawnictwo Adam Marszałek
    Tematy:
    Brexit
    Polexit
    Polska
    EU fragmentation
    euroscepticism
    EU support social components
    Opis:
    This paper explores the economic and non-economic factors that could potentially lead to a Polish decision to remain within or leave the EU, following a future potential Polexit referendum. The study aims to determine the relative impact of Polish citizens’ values and attitudes on their support for their country’s continued EU membership and integration, at such a crucial time. The research is based on a survey conducted in December 2021, with a stratified sample of 1,517 respondents, and a statistical analysis of the findings. The results suggest that the relative importance of these factors could vary considerably, with economic factors potentially playing a less significant role than sociocultural and political elements. We argue that this projected outcome is likely to be influenced by citizens’ socio-demographic backgrounds, their perceived levels of economic security or insecurity, and differences in their economic and non-economic values, thereby creating potential opportunities for future populist Eurosceptic politicians in Poland to exploit, underlining the potential implications of these findings.
    Źródło:
    Polish Political Science Yearbook; 2024, 2(53); 137-166
    0208-7375
    Pojawia się w:
    Polish Political Science Yearbook
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Clustering of Polish Citizens on the Bases of Their Support for Leaving and Remaining the European Union
    Autorzy:
    Kozłowski, Artur Roland
    Krzykowski, Grzegorz
    Fallon, Grahame
    Powiązania:
    https://bibliotekanauki.pl/articles/15846297.pdf
    Data publikacji:
    2023-06-30
    Wydawca:
    Wydawnictwo Adam Marszałek
    Tematy:
    Brexit
    Polexit
    Polska
    EU fragmentation
    Euroscepticism
    EU support social components
    mixing distributions
    Opis:
    The article presents the clustering of Polish citizens based on the empirical dimension of support for European integration. The structure of the work is based on three key elements constituting the basis of the presented text. The first refers to the development of a scale to measure the extent of support for the integration of Poland with the EU. The second element covers an area of support scale modelling. After the substantial and statistical analysis of the adequacy of the probability distribution for the support scale, it was decided that a model in which the scale underwent mixing non-standard Beta distributions would be adopted. Applying the Maximal Likelihood Method (ML), the components for its fitted probability densities and estimators of prior (or mixing) probabilities were indicated. The procedure allowed us to define the clusters of which the population of voters was composed. The paper’s final section presents many practical and theoretical conclusions for political parties and scientists interested in the discussed area. The novelty of applying the ML method goes hand in hand with the findings that previously appeared in political science literature, although under different economic and geopolitical conditions.
    Źródło:
    Polish Political Science Yearbook; 2023, 2(52); 49-70
    0208-7375
    Pojawia się w:
    Polish Political Science Yearbook
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of heart rate variability during head-up tilt-test in patients with vasovagal syncope
    Autorzy:
    Budrejko, Szymon
    Kempa, Maciej
    Chmielecka, Monika
    Kozłowski, Dariusz
    Raczak, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/895735.pdf
    Data publikacji:
    2018-09-28
    Wydawca:
    Gdański Uniwersytet Medyczny
    Tematy:
    tilt table test
    syncope
    vasovagal syncope
    heart rate variability
    Opis:
    Introduction: Syncope is defined as transient loss of consciousness, due to decrease in brain perfusion. The most frequent mechanism is vasovagal syncope. In many patients, the cause of syncope remains unspecified, despite an extensive diagnostic work-up. Tilt-test (TT) is an acknowledged diagnostic tool for syncope. Currently, the so-called Italian protocol of TT is most widely used. Vasovagal syncope is caused by impaired circulatory regulation in response to orthostatic stress. One of the available tools to examine the influence of the nervous system on the circulation is the analysis of heart rate variability (HRV). Despite numerous publications concerning HRV parameters and autonomic regulation in patients with syncope, direct comparisons and metaanalysis of the results is impossible, due to variability of TT protocols and study group specifications. Aim of the study: As there is no uniform model of HRV during TT, we aimed to analyze HRV parameters during TT (performed according to the Italian protocol) in patients with vasovagal syncope, in order to determine the possible application of HRV measurements in clinical practice in that group of patients. Detailed objectives were: (1) analysis and comparison of HRV in patients with and without the history of syncope; (2) analysis of HRV changes in consecutive stages of TT; (3) identification of possible HRV differences between patients with positive and negative TT results. Materials and methods: Patients between 18 and 50 years of age were qualified for the study, if they had a history of at least 2 incidents of syncope or presyncope within the preceeding 6 months, and if signs and symptoms indicated the vasovagal mechanism. The study group included 150 patients: 100 consecutive patients with a postive TT result (POS), and 50 consecutive patients with a negative TT result (NEG). The control group (CG) comprised 50 volunteers with no history of syncope nor presyncope, matched according to age and sex to the study group. In all patients a TT was performed according to the Italian protocol, with paced breathing at a rate of 15/min. Time-domain (meanRR, SDNN, RMSSD, pNN50) and frequency-domain (abs_LF, abs_HF, rel_LF, rel_HF, norm_LF, norm_HF, LF/HF) HRV parameters were analyzed and compared at different stages of TT in the study groups as specified above. Results: 100 patients at the age of 18-44 years were included in the POS group, 50 patients at the age of 18-39 years in the NEG group, and 50 volunteers at the age of 20-39 in the CG. Volunteers in the control group developed unexpectedly high percentage of positive TT (14 patients). For consistency of analysis, the CG was thus subdivided according to the result of the TT into CG_POS (positive result of TT) – 14 patients, and CG_NEG (negative result of TT) – 36 patients. Based on HRV analaysis, no significant differences in HRV values were noted between patients with a history of syncope and positive or negative result of TT. Upright tilt resulted in HRV changes of the same direction and value in syncopal patients in the POS and NEG goup, as well as in patients in the CG_NEG group. Conclusion: HRV values and changes of those values at subsequent stages of TT were not different between syncopal patients with postive or negative TT result, or negative TT control group. The Italian protocol of TT may be associated with a surprisingly high percentage of false positive results.
    Źródło:
    European Journal of Translational and Clinical Medicine; 2018, 1, 1; 26-38
    2657-3148
    2657-3156
    Pojawia się w:
    European Journal of Translational and Clinical Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Usefulness of CartoMerge image integration module in catheter ablation of atrial fibrillation
    Autorzy:
    Drelich, Łukasz
    Królak, Tomasz
    Liżewska-Springer, Aleksandra
    Kempa, Maciej
    Kozłowski, Dariusz
    Raczak, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/895815.pdf
    Data publikacji:
    2019-06-04
    Wydawca:
    Gdański Uniwersytet Medyczny
    Tematy:
    CartoMerge
    catheter ablation
    atrial fibrillation
    image integration
    Opis:
    Background: Anatomy assessment using Computer Tomography (CT) and Magnetic Resonance (MRI) is performed in patients undergoing pulmonary vein isolation (PVI). The aim of this analysis was to investigate whether electroanatomical 3D map and CT/MRI image integration using the CartoMerge system improves efficacy, reduces procedure time or fluoroscopy usage. Materials and methods: 57 patients undergoing PVI were divided in two groups: “Merge” (n=45 pts) and “non-Merge” (n=14 pts) depending on usage of image integration. PV isolation during procedure (acute PVI), procedure time, fluoroscopy time, number of radio frequency (RF) applications and AF recurrence during follow-up (Merge group: 12-24 months, non-Merge group: 9-18 months) were analyzed. Results: Intra-procedural PVI was equal in both groups (93%). Long-term efficacy, defined as absence of AF recurrence, was insignificantly higher in the Merge group (69,8% vs 50%, p=0,11793). Procedure time was significantly longer in the Merge group – 239,1 (±55,5) min. vs 192,4 (±44,5). Fluoroscopy time was similar in both groups 29,9 (±12,23) vs 24,6 (±26,5) min, (p=0,579). Number of RF applications was significantly higher in the Merge group 48,5 (±25,2) vs 27,2 (±14,9). Conclusions: CartoMerge did not improve the rate of acute PVI, long-term effectivity or fluoroscopy time. In the non-Merge group the procedure time was shorter and the number of applications was significantly smaller.
    Źródło:
    European Journal of Translational and Clinical Medicine; 2019, 2, 1; 48-52
    2657-3148
    2657-3156
    Pojawia się w:
    European Journal of Translational and Clinical Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Clinical and laboratory assessment of patients with new-onset atrial fibrillation in acute myocardial infarction
    Autorzy:
    Raczkowska-Golanko, Monika
    Daniłowicz-Szymanowicz, Ludmiła
    Nowak, Radosław
    Puchalski, Wiesław
    Gruchała, Marcin
    Kozłowski, Dariusz
    Raczak, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/895779.pdf
    Data publikacji:
    2018-09-28
    Wydawca:
    Gdański Uniwersytet Medyczny
    Tematy:
    atrial fibrillation
    acute myocardial infarction
    NOAF
    Opis:
    Background: New-onset atrial fibrillation (NOAF) is one of the complications of acute myocardial infarction (AMI), and is associated with poor outcome. The aim of the study was clinical and laboratory assessment of patients with NOAF in AMI. Material and methods: This is a retrospective, single-centre study of AMI patients with NOAF, who were admitted to Clinical Centre of Cardiology of the University Clinical Centre in Gdansk, from January 2016 to June 2018. The medical history, echocardiography parameters, AMI localization and infarcted-related artery as well as laboratory parameters at the admission and at the moment of NOAF onset were taken into further analyses. Results: From 1155 consecutive AMI patients 103 (8.9%) with NOAF were enrolled into the study. A significant increase in C-reactive protein (CRP) and high-sensitive Troponine I (hsTnI) level, whereas significant decrease in potassium and hemoglobin level was observed at the moment of NOAF in comparison to admission. Conclusions: Our study suggests that markers of inflammation (CRP), myocardial necrosis (hsTnI), hemoglobin and serum potassium may be associated with NOAF in the setting on AMI. The aforementioned parameters are generally available and may be used as an inexpensive and rapid way to select patients who are at high risk of developing NOAF.
    Źródło:
    European Journal of Translational and Clinical Medicine; 2018, 1, 1; 39-43
    2657-3148
    2657-3156
    Pojawia się w:
    European Journal of Translational and Clinical Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of patient-related constutional and environmental factors on early results of a combined modality therapy of esophageal cancer
    Autorzy:
    Pudło, Kamil
    Błotniak, Alan
    Skoczylas, Tomasz
    Dąbrowski, Andrzej
    Szawłowski, Andrzej
    Kozłowski, Mirosław
    Lampe, Paweł
    Wallner, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/1393912.pdf
    Data publikacji:
    2016
    Wydawca:
    Index Copernicus International
    Tematy:
    esophagus
    esophageal cancer
    chemotherapy
    chemoradiotherapy
    smoking
    alcohol
    toxic events
    postoperative complications
    Opis:
    Among many various factors affecting the outcome of cancer treatment one can distinguish patient, tumor- and treatment-related factors. The association of patient-related factors and results of a combined modality therapy of esophageal cancer has not been extensively explored. The aim of the study was to analyze the impact of patient-related constitutional and environmental factors on early results of combined modality therapy of esophageal squamous cell carcinoma. Material and methods. We retrospectively analyzed prospectively collected data of 84 patients with esophageal cancer randomly assigned to a combined modality treatment. We evaluated the relationship between early outcome of neoadjuvant therapy (overall toxic events, serious toxic events, treatmentrelated mortality, clinical and pathological response to the treatment) or surgical treatment (postoperative morbidity, mortality and curative resections – R0) and constitutional (age, gender, height, body mass index, Karnofski Performance Status – KPS, blood type) or environmental (inhabitation, smoking duration and intensity, frequency and amount of alcohol consumption and occupational exposure) patient-related factors. Results. Significantly more neoadjuvant therapy related deaths were found in patients with KPS 70‑80 (p=0.0016). Interestingly, significantly more toxic events (p=0.0034) after neoadjuvant therapy and a higher postoperative morbidity rate (p=0.0293) were observed in nonsmokers. Similarly, significantly more toxic events (p=0.0029) after neoadjuvant therapy and a higher postoperative mortality rate (p=0.0405) were found in light drinkers. Conclusions. Smoking and consumption of excessive amount of alcohol may attenuate toxic effect of neoadiuvant and surgical therapy in patients treated due to esophageal cancer. The information regarding the mentioned above addictions should not result in giving up an attempt to provide a curative treatmen
    Źródło:
    Polish Journal of Surgery; 2016, 88, 5; 448-463
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of clinical and echocardiographic parameters in patients with hypertrophic cardiomyopathy under and over 60 years of age
    Autorzy:
    Wabich, Elżbieta
    Raczak, Grzegorz
    Rozwadowska, Katarzyna
    Zienciuk-Krajka, Agnieszka
    Szymanowicz, Wiktor
    Kozłowski, Dariusz
    Kaleta, Anna M.
    Daniłowicz-Szymanowicz, Ludmiła
    Powiązania:
    https://bibliotekanauki.pl/articles/895757.pdf
    Data publikacji:
    2019-06-04
    Wydawca:
    Gdański Uniwersytet Medyczny
    Tematy:
    hypertrophic cardiomyopathy
    echocardiography
    speckle-tracking echocardiography
    Opis:
    Background: Hypertrophic Cardiomyopathy (HCM) is one of the most common genetic myocardial diseases. Transthoracic echocardiography which includes speckle tracking technique is tool for HCM diagnosis and monitoring the course of the disease. The aim of this study was to compare clinical and echocardiographic parameters in HCM patients older and younger than 60 years old (yo). Material and methods: We prospectively enrolled 53 HCM patients, who were divided into two groups: younger and older than 60 yo. Clinical parameters, standard echocardiographic indices, as well as strain parameters were assessed and compared between the groups. Results: The older subgroup was characterized by a higher prevalence of coronary artery disease. In the younger subgroup the incidence of atrial fibrillation was quite high, which occurs far more often than in the general population. Echocardiographic analysis showed worse diastolic function in older, as well as lower volume of the LV. The global longitudinal strain was worse in <60 patients. The 3D strain parameters differed significantly between the groups: the area and radial strains were worse in younger patients. Conclusions: HCM patients older and younger than 60 yo differ significantly in terms of clinical and echocardiographic parameters.
    Źródło:
    European Journal of Translational and Clinical Medicine; 2019, 2, 1; 28-35
    2657-3148
    2657-3156
    Pojawia się w:
    European Journal of Translational and Clinical Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The pre-Taghanic (Givetian, Middle Devonian) ecosystems of Miłoszów (Holy Cross Mts, Poland)
    Autorzy:
    Halamski, Adam T.
    Baliński, Andrzej
    Racki, Grzegorz
    Amler, Michael R. W.
    Basse, Martin
    Denayer, Julien
    Dubicka, Zofia
    Filipiak, Paweł
    Kondas, Marcelina
    Krawczyński, Wojciech
    Mieszkowski, Radosław
    Narkiewicz, Katarzyna
    Olempska, Ewa
    Wrzołek, Tomasz
    Wyse Jacson, Patrick N.
    Zapalski, Mikołaj K.
    Zatoń, Michał
    Kozłowski, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/2171821.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    stratigraphy
    palaeoecology
    biota
    biodiversity
    mesophotic
    deeper shelf
    climate
    carbonate
    Opis:
    The middle and upper parts of the Skały Fm, Early to Middle Givetian in age, were investigated in four sections at Miłoszów Wood in the Łysogóry Region (northern region of the Holy Cross Mountains, central Poland). The dating is based on conodonts (Polygnathus timorensis Zone to the later part of the Polygnathus varcus/Polygnathus rhenanus Zone; early Polygnathus ansatus Zone cannot be excluded) and spores (Ex1–2 subzones) and, coupled with cartographic analysis and geophysical investigation, allows correlation within the strongly faulted succession. Significant lateral facies variations within the carbonate ramp depositional system in comparison with the better studied Grzegorzowice–Skały section, about 3 km distant, are documented, thanks to conodont-based correlation of both successions. Foraminifers, fungi, sponges, rugose and tabulate corals, medusozoans, microconchids and cornulitids, polychaetes (scolecodonts), molluscs (bivalves, rostroconchs, and gastropods), arthropods (trilobites and ostracods), bryozoans, hederelloids, ascodictyids, brachiopods, echinoderms (mostly crinoids, rare echinoids, holuthurians, and ophiocistoids), conodonts, fish, plants (prasinophytes, chlorophycophytes, and land plant spores), and acritarchs are present. Brachiopods are the most diverse phylum present (68 species), other richly represented groups are bryozoans and echinoderms; in contrast, cephalopods and trilobites are low in diversity and abundance. The muddy, middle to outer ramp biota (200 marine taxa, including 170 species of marine animals, 22 photoautotrophs, 6 forams) represents a mixture of allochthonous shallower-water communities (upper BA3), including storm- and possibly tsunami-affected coral mounds, and autochthonous deep-water soft-bottom brachiopod (e.g., Bifida–Echinocoelia) communities (BA 4–5). The richness and diversity of the Miłoszów biota is relatively high, comparable with other approximately coeval pre-Taghanic ecosystems during the Devonian climatic deterioration (cooling). Preliminary data indicate that in the Holy Cross Mountains, no large-scale replacement of brachiopod (and probably many other benthic ones, like crinoids) communities took place between the Early–Middle Givetian and the Early Frasnian, in contrast to the demise of the Hamilton/Upper Tully fauna in the Appalachian Basin. Such a similarity of pre- and post-Taghanic faunas does not exclude the occurrence of environmental perturbations and transient community turnovers, caused by immigrations during the Taghanic Biocrisis, but evidences the successful recovery of the indigenous biota.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2022, 92, 4; 323--379
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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