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Wyświetlanie 1-10 z 37
Tytuł:
Current concepts in clinical and laboratory assessments of autonomic nervous system activity
Autorzy:
Dobrek, L.
Thor, P.
Powiązania:
https://bibliotekanauki.pl/articles/3378.pdf
Data publikacji:
2015
Wydawca:
Instytut Medycyny Wsi
Tematy:
clinical assessment
laboratory assessment
autonomic nervous system
autonomic test
heart rate variability
noradrenaline
neuropeptide
Opis:
Introduction and objective. As the autonomic nervous system (ANS) dysfunction is present in course of many disorders, an objective assessment of the ANS function is very important. In practice, the assessment is difficult, and based rather on indirect analysis of autonomically-controlled cardiovascular reflexes, than on direct recording of activity of central or peripheral autonomic structures. The aim of our paper was to discuss briefly current, clinical and scientific ANS investigations, as well as possible future methods of autonomic activity evaluation. A brief description of the state of knowledge. The review presents a short outline of autonomic function assessments based on clinical autonomic tests (e.g. “Ewing’s battery”) and discusses the heart rate variability (HRV) study, as currently popular and widespread option of analysis of the ANS activity. Other, complementary methods, including the baroreceptor sensitivity testing, microneurography or plasma norepinephrine measurement were also mentioned. The article also provides premises related to the determination of selected neuropeptides in plasma or saliva as an innovative concept of autonomic activity assessment. Summary. The available, clinical, non-invasive methods used for assessment of the ANS function are still relatively sparse and, in fact, a surrogate for direct ANS assessment. New methods of autonomic tension determination are still needed that would allow a more complete and reliable assessment. Reports of potential new laboratory markers of the ANS activity (NPY and VIP assay) bring some hope.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2015, 09, 1
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heart rate variability – clinical significance87
Autorzy:
Urbanik, Dominika
Podgórski, Maciej
Mazur, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/551741.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Przyjaciół Medycyny Rodzinnej i Lekarzy Rodzinnych
Tematy:
heart rate
autonomic dysfunction
cardiovascular risk.
Źródło:
Family Medicine & Primary Care Review; 2018, 1; 87-90
1734-3402
Pojawia się w:
Family Medicine & Primary Care Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Polygraph Tests - Benefits and Challenges
Autorzy:
Babu Rajan, Panthayil
Powiązania:
https://bibliotekanauki.pl/articles/1037954.pdf
Data publikacji:
2019
Wydawca:
Academicus. International Scientific Journal publishing house
Tematy:
polygraph
autonomic responses
truthfulness
dishonesty
misclassification
Opis:
This research describes the working, benefits and challengers of polygraph tests. Polygraph tests are lie-detecting devices that help ascertain individuals’ honesty based on physiological indicators. The heart rate/blood pressure, respiration, and skin responses are the three indicators measured in the test to assess honest/deceitful behavior. The underlying assumption behind the working of polygraph tests is that the autonomic responses of dishonest individuals are distinctively different from those of honest people because the liars will be more nervous than truth tellers. Control Question Test (CQT), Guilty Knowledge Test (GKT) or Concealed Information Test (CIT) and Neuroscience-Based Advanced Polygraph Tests are the important types of polygraph tests used today. Polygraph tests are used to detect truthfulness of individuals in such important fields as crime investigation departments, national security agencies, and business and industry. However, accuracy of polygraph tests and ethical issues associated with the tests are highly debated.
Źródło:
Academicus International Scientific Journal; 2019, 19; 146-155
2079-3715
2309-1088
Pojawia się w:
Academicus International Scientific Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temperament, stress, and atrial fibrillation
Autorzy:
Maryniak, Agnieszka
Hasiec, Andrzej
Duda, Bartosz
Orczykowski, Michał
Szumowski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/430438.pdf
Data publikacji:
2015-06-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Temperament
atrial fibrillation
autonomic nervous system
stress
Opis:
In some patients with atrial fibrillation (AF), the causative agent of attack is stress (AF associated with adrenergic activity). In others, AF usually begins during relax or sleep (AF associated with vagal nerve dominance). This study aimed to investigate the individual factors associated with the adrenergic or vagal type of AF. This study included 138 patients with paroxysmal atrial fibrillation (AF). Sixty-eight patients reported that AF was frequently triggered by stress (sympathetic-type AF) and 70 patients reported that AF usually began during relaxation or sleep (vagal-type AF). Gender, age, ejection fraction, and temperament were compared across the two groups. Temperament was evaluated using the Formal Characteristics of Behaviour-Temperament Inventory. The groups differed only in temperament. Patients with sympathetic-type AF had a higher score for emotional reactivity (p = 0.002) and perseverance (p = 0.002) temperament traits and a lower score for endurance (p = 0.003) than patients with vagal-type AF and than the average in population.
Źródło:
Polish Psychological Bulletin; 2015, 46, 2; 223-227
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel homozygous mutation in the WNK1/HSN2 gene causing hereditary sensory neuropathy type 2
Autorzy:
Potulska-Chromik, Anna
Kabzińska, Dagmara
Lipowska, Marta
Kostera-Pruszczyk, Anna
Kochański, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1039722.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
hereditary
autonomic
sympathetic skin response
sensory neuropathy
mutation
Opis:
Hereditary sensory and autonomic neuropathy type 2 is a rare disorder caused by recessive mutations in the WNK1/HSN2 gene located on chromosome 12p13.33. Phenotype of the patients is characterized by severe sensory loss affecting all sensory modalities. We report a novel homozygous Lys179fsX182 (HSN2); Lys965fsX968 (WNK1/HSN2) mutation causing an early childhood onset hereditary sensory and autonomic neuropathy type 2, with acromutilations in upper and lower limbs, and autonomic dysfunction. To the best of our knowledge this is the first genetically proven case of hereditary sensory and autonomic neuropathy type 2 originating from East Europe.
Źródło:
Acta Biochimica Polonica; 2012, 59, 3; 413-415
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Resting heart rate variability and plasma noradrenaline level as a measurement of autonomic nervous system activity in mature, aging rats
Autorzy:
Dobrek, Łukasz
Kaszuba-Zwoińska, Jolanta
Baranowska, Agnieszka
Skowron, Beata
Thor, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/972585.pdf
Data publikacji:
2016
Wydawca:
Instytut Medycyny Wsi
Tematy:
autonomic nervous system
heart rate variability
aging
rat
Opis:
Introduction and objective. Aging is a process that also affects the autonomic nervous system (ANS) making it less adaptable to environmental and intrinsic stimuli and affecting its ability to maintain body homeostasis. The aim of this study was to estimate the resting ANS function using heart rate variability (HRV) method and by noradrenaline measurement in aging, 2–12-months-old rats. Materials and method. Resting 15-minute-long ECG recordings were performed in anaesthetized rats with a subsequent spectral HRV analysis. Basic non-normalized HRV components in the range of very low (VLF), low (LF) and high (HF) frequency, along with the total HRV spectrum power (TP) were estimated. Moreover, normalized LF (nLF) and normalized HF (nHF) were calculated. Blood samples were also collected to assay plasma noradrenaline (NA) level. Results. In the overall assessment, plasma noradrenaline level as well as both TP and all non-normalized HRV components demonstrated a tendency for reduction when compared the first (2nd) and last (12th) months. In the case of nLF and nHF, a trend of nLF predominance in the 2nd and 3rd month was revealed while an inverse relation was observed from the 6th month on, with nHF superiority. Overall, males reached comparable or slightly higher NA and non-normalized HRV values compared to females, although most differences were not statistically significant. A parallel decline of LF (starting from the 10th month) and HF (from the 6th month) was demonstrated in both male and female animals. Female rats had a little more stable nLF and nHF course in the study time. Conclusions. Rat ANS aging is associated with global HRV decrease with parallel plasma NA decline, although without selective impairment of individual (sympathetic/parasympathetic) ANS components.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2016, 10, 1; 50-56
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diabetic autonomic neuropathy of the gastrointestinal tract - etiopathogenesis, diagnosis, treatment and complications
Autorzy:
Kuzemko, Dorota
Rymarz, Ewa
Prystupa, Andrzej
Dzida, Grzegorz
Mosiewicz, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/972715.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
diabetic neuropathies
diabetes complications
diabetes mellitus
gastrointestinal autonomic neuropathy
Opis:
Introduction. Late complications of diabetes mellitus are a serious challenge for physicians treating diabetic patients. Micro- and macro-angiopathic changes are of the most severe sequels. However, it should be remembered that the effects of long-term diabetes are also associated with changes in the peripheral nervous system. One of the complications most troublesome for patients is diabetic autonomic neuropathy of the gastrointestinal (GI) tract. Objective. The review article presents the pathogenesis of diabetic neuropathy of the autonomous gastrointestinal tract, and advances in the diagnosis and treatment of this disease. The study used materials in the database which demonstrate current standards of conduct, based on the principles of EBM. Brief description of the state of knowledge. Diabetic neuropathy is one of the most common complications of diabetes mellitus. According to epidemiologists, it affects 10% to even 100% of patients with long-standing disease. Damage to the nervous fibres mainly results from hyperglycaemia, which leads to the typical symptoms of dysfunction of GI tract segments. The main additional examinations include abdominal ultrasound (US) and abdominal X-ray. In cases with oesophageal disorders accompanied by dysphagia, gastroscopy is found useful for excluding possible neoplastic lesions. The gold standard for evaluation of gastric emptying is radioisotopic scintigraphy, however it is available only in some specialistic departments. Other recommended methods include: manometry, EGG, insulin tests, NMR and expiratory tests. To date, the problem has been managed symptomatically; in special cases, surgical interventions have been required. Conclusions. At present, a wide array of treatment options is available, including new forms of drugs and less radical surgical procedures carried out in numerous centres worldwide.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2017, 11, 1; 6-9
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Possibility of a Moral Life without Religion in the Light of the Ethical Writings of Tadeusz Kotarbiński
Możliwość życia moralnego bez religii w świetle pism etycznych Tadeusza Kotarbińskiego
Autorzy:
Krzos, Bartłomiej
Powiązania:
https://bibliotekanauki.pl/articles/2038427.pdf
Data publikacji:
2016
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
etyka
niezależna
Tadeusz Kotarbiński
moralność
personalizm
ethics
autonomic
morality
personalism
Opis:
Wiele już uwagi poświęcono w etyce sporowi o etykę niezależną. Warto jednak przyjrzeć się raz jeszcze przynajmniej niektórym argumentom Tadeusza Kotarbińskiego. Ich tok rozumowania jest używany do dzisiaj jako obrona stanowiska głoszącego całkowitą niezależność dziedziny moralności ludzkiej od dziedziny religii. W takim wypadku polemika ze stanowiskiem Kotarbińskiego, prowadzona z punktu widzenia etyki chrześcijańskiej, może stać się użytecznym narzędziem we współczesnej dyskusji ze zwolennikami etyki niezależnej od religii. Z tego względu problem podjęty w tym artykule jest wciąż aktualny. Streszcza się on w pytaniach o to, jak przedstawiają się argumenty Kotarbińskiego, za pomocą których uzasadnia on swoją tezę o możliwości praworządnego życia na wysokim poziomie moralnym bez odniesienia do dziedziny religii, i w jaki sposób można z tymi argumentami polemizować. W oparciu o przeanalizowane teksty różnych autorów (w głównej mierze Kotarbińskiego i Stycznia) można stwierdzić, że różnice w poglądach, które powodują przywołaną i omawianą w tym artykule polemikę, leżą w różnych punktach wyjścia, celach stawianych swoim dociekaniom przez poszczególnych etyków oraz grupach zagadnień, które powinny stanowić dziedzinę etyki.
In ethics much attention has already been paid to a dispute concerning the issue of autonomic ethics. Yet it is still worthy to look again at least at some of Tadeusz Kotarbiński's arguments. Their way of reasoning is being used today for defending the position of the autonomic ethics. The autonomic ethics proclaims a complete independence of the field of human morality from the realm of religion. If it is so then a polemic with Kotarbiński's views (which is led from the perspective of Christian ethics) will still be able to become a useful instrument in contemporary discussion with supporters of ethics independent from religion. For this reason the problem undertaken in this paper is still up-to-date. This problem can be summed up in the questions as follow: How to present Kotarbiński's arguments by which he justifies his thesis about the possibility of a law-abiding life on the high moral level without reference to the realm of religion? How can one argue with those arguments? Relying upon the analyzed texts by Kotarbiński and Styczeń mainly one can say that the differences between materialistic approach represented by the Student of Lvov-Warsaw School and views of personalistic ethics were shown. They show-up especially in the field of methodology of ethics and axiology. It is noticeable that the differences in views that cause the polemic cited and discussed in this article are based more on a variety of starting points. They are based also on goals of speculations that were undertaken by various ethicists and in groups of issues that should be the domain of ethics.
Źródło:
Roczniki Teologiczne; 2016, 63, 3; 57-66
2353-7272
Pojawia się w:
Roczniki Teologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trigeminal autonomic cephalalgias: a review
Trójdzielno-autonomiczne bóle głowy – przegląd piśmiennictwa
Autorzy:
Modestowicz, Michał
Kozubski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/1030034.pdf
Data publikacji:
2016
Wydawca:
Medical Communications
Tematy:
SUNA
SUNCT
cluster headache
hemicrania continua
paroxysmal hemicrania
trigeminal autonomic cephalalgia
Opis:
Trigeminal autonomic cephalalgias are a group of primary headache disorders presenting as unilateral pain in the somatic distribution of the trigeminal nerve, associated with ipsilateral cranial autonomic symptoms. This clinicopathologic group includes cluster headache, paroxysmal hemicrania, hemicrania continua and short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing/cranial autonomic features, which differ mainly as regards the duration and frequency of pain as well as response to treatment. These disorders are not as rare as they were thought to be and due to the severity of the pain can substantially affect the patients’ quality of life. Many other forms of primary headaches, such as migraine, trigeminal neuralgia and primary stabbing headache, as well as secondary headaches, particularly those caused by pituitary, posterior fossa, orbital, paranasal sinus and vascular pathology, need to be carefully considered in the diagnosis of trigeminal autonomic cephalalgias. Research in this field, particularly using functional neuroimaging, has resulted in a much better understanding of these disorders. Dysfunction in the nociceptive modulatory pathways in brain’s pain matrix is currently thought to produce a permissive state for the occurrence of a trigeminal autonomic cephalalgia attack, with posterior hypothalamus serving as a terminator rather than the generator of the attack. The current treatment strategies include medical and surgical approaches; of the latter, neuromodulation techniques, particularly deep brain stimulation of posterior hypothalamus, have proven to be particularly effective and promising.
Trójdzielno-autonomiczne bóle głowy stanowią grupę pierwotnych bólów głowy, w których jednostronny ból w okolicy zaopatrywanej przez nerw trójdzielny związany jest z tożstronnymi objawami autonomicznymi w obrębie czaszki. Ta kliniczno-patologiczna grupa obejmuje klasterowy ból głowy, hemikranię napadową, hemikranię ciągłą i krótkotrwałe napady jednostronnego bólu głowy przypominającego nerwoból z przekrwieniem spojówek i łzawieniem/objawami autonomicznymi w obrębie czaszki. Postaci te różnią się przede wszystkim czasem trwania i częstością występowania bólu, a także odpowiedzią na leczenie. Zaburzenia te nie są tak rzadkie, jak dawniej przyjmowano, a ich nasilenie może znacząco wpływać na jakość życia pacjentów. W diagnostyce różnicowej trójdzielno-autonomicznych bólów głowy należy wziąć pod uwagę wiele innych rodzajów pierwotnych bólów głowy, takich jak migrena, neuralgia trójdzielna i pierwotny kłujący ból głowy, jak również wtórne bóle głowy, zwłaszcza te spowodowane przez patologię przysadki mózgowej, tylnego dołu czaszki, oczodołów, zatok przynosowych i naczyń. Badania na tym polu, w szczególności z wykorzystaniem neuroobrazowania funkcjonalnego, zaowocowały znacznie lepszym zrozumieniem tych chorób. Obecnie uważa się, że zaburzenia modulacyjnych dróg nocyceptywnych w macierzy bólu ośrodkowego układu nerwowego wytwarzają permisywny stan dla wystąpienia napadu trójdzielno-autonomicznego bólu głowy, przy czym tylna część podwzgórza wydaje się służyć raczej jako terminator niż generator napadu. W leczeniu tej grupy schorzeń stosuje się środki farmakologiczne, jak również techniki chirurgiczne; z tych ostatnich neuromodulacja, szczególnie głęboka stymulacja mózgu w obrębie tylnej części podwzgórza, okazała się szczególnie skuteczna i obiecująca.
Źródło:
Aktualności Neurologiczne; 2016, 16, 4; 180-186
1641-9227
2451-0696
Pojawia się w:
Aktualności Neurologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the relationship between emotion intensity and electrophysiology parameters during a voice examination of opera singers
Autorzy:
Krasnodębska, Paulina
Szkiełkowska, Agata
Pollak, Anita
Romaniszyn-Kania, Patrycja
Bugdol, Monika N.
Bugdol, Marcin
Mitas, Andrzej W.
Powiązania:
https://bibliotekanauki.pl/articles/28761992.pdf
Data publikacji:
2024-03-05
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
electromyography
job stress
autonomic nervous system
heart rate variability
singers
phonation
Opis:
Objectives Emotions and stress affect voice production. There are only a few reports in the literature on how changes in the autonomic nervous system affect voice production. The aim of this study was to examine emotions and measure stress reactions during a voice examination procedure, particularly changes in the muscles surrounding the larynx. Material and Methods The study material included 50 healthy volunteers (26 voice workers – opera singers, 24 control subjects), all without vocal complaints. All subjects had good voice quality in a perceptual assessment. The research procedure consisted of 4 parts: an ear, nose, and throat (ENT)‑phoniatric examination, surface electromyography, recording physiological indicators (heart rate and skin resistance) using a wearable wristband, and a psychological profile based on questionnaires. Results The results of the study demonstrated that there was a relationship between positive and negative emotions and stress reactions related to the voice examination procedure, as well as to the tone of the vocal tract muscles. There were significant correlations between measures describing the intensity of experienced emotions and vocal tract muscle maximum amplitude of the cricothyroid (CT) and sternocleidomastoid (SCM) muscles during phonation and non-phonation tasks. Subjects experiencing eustress (favorable stress response) had increased amplitude of submandibular and CT at rest and phonation. Subjects with high levels of negative emotions, revealed positive correlations with SCMmax during the glissando. The perception of positive and negative emotions caused different responses not only in the vocal tract but also in the vegetative system. Correlations were found between emotions and physiological parameters, most markedly in heart rate variability. A higher incidence of extreme emotions was observed in the professional group. Conclusions The activity of the vocal tract muscles depends on the type and intensity of the emotions and stress reactions. The perception of positive and negative emotions causes different responses in the vegetative system and the vocal tract.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2024, 37, 1; 84-97
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 37

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