Temat: overload - Prolib Integro

Skocz do pozycji: 1.

Autorzy:: Piskunowicz, Maciej
Grzywińska, Małgorzata
Świętoń, Dominik
Marunowski, Kacper
Hryniewicz, Gabriela Alicja
Opis:: Secondary haemochromatosis among paediatric oncologic patients is associated with various long-term complications. The liver is the most important organ for assessment of iron overload because the iron concentration is linearly correlated with total body iron stores. In the paediatric population, liver biopsy is considered too invasive for routine use. Therefore, evaluation of iron overload with magnetic resonance imaging is an alternative method. Reliable assessment of iron burden is necessary for early detection and severity grading. In the last 2 decades multiple methods for iron quantification with magnetic resonance imaging (MRI) have been developed. Both gradient-echo and spin-echo imaging, including signal intensity ratio and relaxometry strategies, are in clinical use. However, there are no universally accepted MRI protocols for paediatric oncology patients suspected of secondary haemochromatosis. If diagnosed and treated early, haemochromatosis progression can be distinctively altered. Iron overload impacts hepatocytes, pancreas’s beta cells, heart, and spleen. Each organ displays distinct patterns of iron distribution, which require targeted imaging methods. This review will address the importance of using magnetic resonance imaging for iron measurements, as well as the evaluation for the liver, pancreas, and spleen.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 2.

Tytuł:: Workload, general perceived stress, body function, musculoskeletal pain, and their mutual relationships in nurses – a pilot study
Autorzy:: Masłoń, Agata
Kamińska, Małgorzata
Kvåle, Alice
Tematy:: flexibility
respiration
movement
musculoskeletal disorder
mental overload
physical overload; Pokaż więcej
Wydawca:: Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Powiązania:: https://bibliotekanauki.pl/articles/45915777.pdf Link otwiera się w nowym oknie
Opis:: Objectives Both physical and psychosocial risk factors contributing to musculoskeletal disorders occur in the professional nursing group, and previous literature suggested that their interaction may increase the risk of musculoskeletal pain among nurses. The aim of the study was to examine perceived workload and stress as well as physical findings and musculoskeletal complaints in nurses. Material and Methods The participants consisted of 42 female nurses, age range 23–60 years. They marked on a pain drawing the site/sites that was/were painful at the moment of testing, its duration and intensity. Thereafter they were examined using the movement and respiration domains from the Global Physiotherapy Examination (GPE). Furthermore, a subjective workload measure was made using the paper version of the National Aeronautics and Space Administration Task Load Index and stress was assessed using the Perceived Stress Questionnaire. Results Almost the entire study group declared that pain experienced in at least 1 location was chronic, i.e., had lasted ≥1 year (97%). The most frequent locations of pain were low back (22.4%) and cervical/head (21.6%) regions. In the GPE, most scores indicated restricted and reduced movement, with the subdomain flexibility having the highest deviation from the predefined standard. Furthermore, the results indicated hampered respiration, especially visible in standing position. Out of all workload scores, the highest was obtained for temporal demand. Perceived stress level was found to be moderate and significantly associated to chronic chest/ thoracic pain. Interestingly, the compression of thorax test positively correlated with mental (r = 0.42, p < 0.05) and physical demand (r = 0.35, p < 0.05), whereas the elbow drop test and temporal demand correlated negatively (r = –0.37, p < 0.05). Conclusions To sum up, the majority of nurses participating in this study had long-lasting pain and limited flexibility of the body and hampered respiration, which both may enhance intensity of experienced musculoskeletal pain.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Podiatric and stabilographic examinations of the effects of school bag carrying in children aged 11 to 15 years
Autorzy:: Jaszczur-Nowicki, Jarosław
Ambroży, Tadeusz
Bukowska, Joanna M.
Jekiełek, Małgorzata
Rydzik, Łukasz
Spieszny, Michał
Kruczkowski, Dariusz
Opis:: Background: The issues raised in this study were inspired by the concern for the musculoskeletal status of school children. Carrying excess weight in the form of a school bag in this period of life affects the correct body posture of school children. The aim of the study was to analyze the influence of school bags on the feet force distribution on the ground and postural balance in children of both sexes between 11 and 15 years of age. Methods: The study investigated the distribution of pressure forces on the sole of the foot and its arch. The center of pressure for both feet and the whole body was also examined. The participants were 100 students from primary schools in Gdańsk, aged 11 to 15, including 54 girls and 46 boys. The research used a podobarographic platform that measures the distribution of foot pressure to the ground. The examinations included two measurements: in the first, the children stood on the platform in a natural position. Then, a 5 kg backpack was put on and they stood on the platform again. Results: Statistically significant differences were found in the distribution of the foot pressure on the ground in the left metatarsus (p = 0.000) and heel (p = 0.000) after putting on the backpack in both girls and boys. However, in the right foot, these differences concerned the metatarsal area (p = 0.001). The results of the balance tests were only statistically significant in the group of girls in the right foot sway area (p = 0.020). Conclusions: The school backpack load led to an increase in the values of the heel and metatarsal area measured in the students, causing its flattening.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 4.

Tytuł:: Pojęcie allostazy i znaczenie czynników psychospołecznych dla przeciążenia allostatycznego jako wytyczne dla programów promocji zdrowego starzenia się
Autorzy:: Pollak, Anita
Rudnicka, Patrycja
Chrupała-Pniak, Małgorzata
Tematy:: health
stress
Allostasis
allostatic overload
coping; Pokaż więcej
Wydawca:: Instytut Studiów Międzynarodowych i Edukacji Humanum
Powiązania:: https://bibliotekanauki.pl/articles/2157765.pdf Link otwiera się w nowym oknie
Opis:: The aim of this paper is to present the concept of allostasis and homeostasis and differences between these constructs, whose understanding is relevant to explain to cope with prolonged stress. In everyday life, homeostasis is responsible for the body’s adjustment to the conditions in which person lives. However, it does not cover all cases to conform to the requirements of the environment and the situation, hence the concept of allostasis could be a complement to it. It is to help explain the functioning of the unit in relation to changes in the susceptibility to subjectively perceived stressors and undertaken attempts to cope with the expected difficulties. Thus, the advantage of this construct is the opportunity to make a custom profile, stress response, illustrating responses and the ability to handle unusual situations, in the changing ambient conditions. The article presents an overview of psychosocial factors associated with the alostatic overload, which indicates as relevant to the development of programmes for the promotion of healthy ageing.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Fake news w świecie information overload. Analiza wybranych przypadków
Fake news in an information overload world. Case study
Autorzy:: Kubacka, Joanna
Opis:: The aim of this paper is presentation and analysis of fake news phenomenon in an information overloaded world on the example of selected cases. It was characterized what fake news is showing the genesis of this phenomenon and its various categories appearing in the media. An attempt was made to define fake news based on scientific sources. The paper also discusses potential recipients of fake content and actions that were taken to stop spread misleading information. Using the statistical method, the results of the analysis of information services were presented and the conclusions resulting from the research were indicated. Afterwards a creative proposal to improve the fight against fake news was presented. The summary formulates the conclusions of the analysis and the proposal for future research.
Celem niniejszej pracy jest przedstawienie i poddanie analizie zjawiska fałszywych wiadomości w świecie przeciążonym informacją na przykładzie wybranych przypadków. Scharakteryzowano czym jest fake news ukazując genezę tego zjawiska oraz jego różne kategorie występujące w mediach. Podjęto próbę definicji w oparciu o źródła naukowe. W pracy omówiono również potencjalnych odbiorców fałszywych treści oraz działania jakie podjęto by zahamować ich rozprzestrzenianie się. Wykorzystując metodę statystyczną przedstawiono wyniki przeprowadzonej analizy serwisów informacyjnych a także wskazano wynikające z badań wnioski. Następnie zaprezentowano twórczą propozycję udoskonalenia walki z fake newsami. W podsumowaniu sformułowano wnioski z przeprowadzonej analizy oraz propozycję dalszych badań.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 6.

Tytuł:: Endocrine disorders in patients with hereditary hemochromatosis
Autorzy:: Banaszkiewicz, Katarzyna
Sikorska, Katarzyna
Sworczak, Krzysztof
Tematy:: Diabetes Mellitus
Osteoporosis
endocrinology
iron overload
hemochromatosis; Pokaż więcej
Wydawca:: Gdański Uniwersytet Medyczny
Powiązania:: https://bibliotekanauki.pl/articles/895739.pdf Link otwiera się w nowym oknie
Opis:: Hereditary hemochromatosis (HH) is a rare genetic disorder, developing secondary to the accumulation of iron in tissues, which may lead to multiple organ failure. If untreated, it may result in liver cirrhosis or cardiomyopathy. The damage to the pancreas and the anterior pituitary, on the other hand, leads to a decreased production and secretion of hormones that are essential to life. Common symptoms of HH, that are distressing for patients, include joint pain, particularly involving hands and wrists, as well as the chronic fatigue syndrome. Iron overload affects the skeletal system, leading to osteoporosis. The pathological accumulation of iron in the anterior pituitary impairs the gonadotropin synthesis, resulting in reduced serum levels of testosterone in men and estrogens in women. This, however, contributes to lower bone mass. In vivo tests have also revealed that abnormal iron accumulation is related to an increased activity and number of osteoclasts, as well as the influence on the differentiation and activity of osteoblast-lineage cells. Based on a systematic review of literature, hereditary hemochromatosis (HH) will be presented as a chronic disease, affecting most of the endocrine glands.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Design and implementation of programmable ultrafast circuit breaker with solid state relay
Autorzy:: Omotayo, Mayowa Emmanuel
Olawuni, Adeolu
Tematy:: Ultra Fast
MCB
8051 Microcontroller
Overload
Mosfet; Pokaż więcej
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Powiązania:: https://bibliotekanauki.pl/articles/1192022.pdf Link otwiera się w nowym oknie
Opis:: The concept of electronic circuit breaker came into focus realizing that conventional circuit breakers such as MCBs take longer time to trip. Therefore, for sensitive loads it is very important to activate the tripping mechanism at the shortest possible time, preferably instantaneously. This project is demonstrates fast tripping mechanism as against the slow one like MCB. Electronic circuit breaker is based on the voltage drop across a series element proportional to the load current, typically a low value resistor. This voltage is sensed and rectified to DC which is and then compared with a preset voltage by a level comparator to generate an output that drives a relay through a MOSFET to trip the load. The unit is extremely fast and overcomes the drawback of the thermal type. It uses a microcontroller from 8051 family. The project was designed to shut down the power supply when it is overloaded. Conventional circuit breaker like MCB based is on thermal bimetal lever trip mechanism. It is very slow and the trip time is dependent upon the percentage of overload. This project senses the current passing through a series element and the corresponding voltage drop is compared against the preset voltage proportional to the current by a level comparator to generate an output for the load to trip.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Assessment of spine pain in the group of professional caregivers
Ocena dolegliwości bólowych kręgosłupa w grupie zawodowej opiekunek medycznych
Autorzy:: Motłoch, Justyna
Opis:: Introduction: Loads of the movement apparatus resulting from the type of work performed are considered to be one of the main causes of back pain.The most common reasons are excessive load or ignorance of the principles of work ergonomics and weight lifting. Understanding the nature of the work of medical carers shows that more and more often the spinal pain affects this professional group. Objective: The aim of the work was to determine the occurrence of pain in the spine among a group of medical caregivers and to analyze the circumstances of their occurrence. Materials and method: The research covered 30 medical caregivers working in the Care and Therapeutic Facilities and 30 in Social Care Homes. As a research method, a questionnaire was used, consisting of 14 questions regarding seniority, number of rosters per month, occurrence of back pain or pain intensity. It was found that 87% of pain in the spine in the research group, whose main cause were activities related to raising the patient. Results: The obtained results show that the type of activities performed in the group of professional medical carers has an impact on the development of pain in the spine. Conclusion: To sum up the profession of a medical supervisor as a recent profession, he should be subject to further observations regarding the duties being performed and, as a result, spinal overloads that arise.
Wprowadzenie: Obciążenia aparatu ruchu wynikające z rodzaju wykonywanej pracy zawodowej uważane są za jedne z głównych przyczyn występujących dolegliwości bólowych kręgosłupa. Najczęstszą z przyczyn jest nadmierne obciążenie czy nieznajomość zasad ergonomii pracy i podnoszenia ciężarów. Poznanie charakteru pracy opiekunek medycznych pokazuje, że coraz częściej dolegliwości bólowe kręgosłupa dotyczą tej grupy zawodowej.Cel: Celem pracy było określenie występowania dolegliwości bólowych kręgosłupa wśród grupy opiekunek medycznych oraz analiza okoliczności ich występowania. Materiał i metody: Badaniami objęto 30 opiekunek medycznych pracujących w Zakładach Opiekuńczo Leczniczych oraz 30 w Domach Opieki Społecznej. Jako metodę badawczą posłużyła ankieta składająca się z 14 pytań dotyczących stażu pracy, liczby dyżurów w miesiącu, występowania dolegliwości bólowych kręgosłupa czy stopnia nasilenia bólu.Wyniki: Stwierdzono 87% występowania dolegliwości bólowych kręgosłupa w grupie badawczej, którego główną przyczyną były czynności związane z podnoszeniem pacjenta. Wyniki: Uzyskane wyniki ukazują, iż rodzaj wykonywanych czynności w grupie zawodowej opiekunek medycznych ma wpływ na powstawanie dolegliwości bólowych kręgosłupa. Reasumując zawód opiekuna medycznego jako niedawno powstały zawód, powinien podlegać dalszym obserwacjom w kwestii wykonywanych obowiązków, a co za tym idzie powstającym przeciążeniom kręgosłupa.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 9.

Tytuł:: Endocrine disorders in patients with hereditary hemochromatosis
Autorzy:: Sworczak, Krzysztof
Sikorska, Katarzyna
Banaszkiewicz, Katarzyna
Wydawca:: Gdański Uniwersytet Medyczny
Cytata wydawnicza:: Banaszkiewicz K, Sikorska K, Sworczak K. Endocrine disorders in patients with hereditary hemochromatosis. Eur J Transl Clin Med. 2018;1(2):72-76. DOI: 10.31373/ejtcm/99913
Opis:: Hereditary hemochromatosis (HH) is a rare genetic disorder, developing secondary to the accumulation of iron in tissues, which may lead to multiple organ failure. If untreated, it may result in liver cirrhosis or cardiomyopathy. The damage to the pancreas and the anterior pituitary, on the other hand, leads to a decreased production and secretion of hormones that are essential to life. Common symptoms of HH, that are distressing for patients, include joint pain, particularly involving hands and wrists, as well as the chronic fatigue syndrome. Iron overload affects the skeletal system, leading to osteoporosis. The pathological accumulation of iron in the anterior pituitary impairs the gonadotropin synthesis, resulting in reduced serum levels of testosterone in men and estrogens in women. This, however, contributes to lower bone mass. In vivo tests have also revealed that abnormal iron accumulation is related to an increased activity and number of osteoclasts, as well as the influence on the differentiation and activity of osteoblast-lineage cells. Based on a systematic review of literature, hereditary hemochromatosis (HH) will be presented as a chronic disease, affecting most of the endocrine glands.
Dostawca treści:: Repozytorium Centrum Otwartej Nauki

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Skocz do pozycji: 10.

Tytuł:: An Ocean of Information. Information overload faced by Internet users
W morzu informacji. Problemy przeciążenia informacją użytkowników Internetu
Autorzy:: Batorski, Dominik
Wydawca:: Polska Akademia Nauk
Cytata wydawnicza:: Batorski, Dominik (2012). An Ocean of Information. Information overload faced by Internet users. ACADEMIA 3 (27), pp. 24-26.
Opis:: As the amount of online content grows, Internet users’ attention span decreases. This brings an acute need for social and technological solutions that enable users to select the most important and relevant information.
Dominik Batorski
Dostawca treści:: Repozytorium Centrum Otwartej Nauki

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