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Search Results: 1 - 10 of 1270 matches for " Vesna Suknjaja "
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Tics in Children
Vesna Suknjaja,Ksenija Bozic,Sonja Knezevic,Ksenija Gebauer Bukurov
Aktuelnosti iz Neurologije, Psihijatrije i Grani?nih Podru?ja , 2010,
Abstract: Tics are stereotypical, involuntary, sudden-onset, purposeless and compulsive movements of different intensity. Th ey are the most common form of involuntary movements in children, with the prevalence of 299 cases per 10,000 school-age population aged 13-14 years. Morphologically, tics may be classified into simple motor tics, complex motor tics, auditory/acoustic motor tics, and sensory tics. Secondary, or symptomatic, tics are caused by an organic disorder of the nervous system and occur much less frequently than primary ticks, which do not result from an organic disorder. Tics may be associated with psychiatric disorders, cognitive impairments, sensory defi cits, dyslexia, dysgraphia, dyscalculia, attention deficit hyperactivity disorder, somnambulism, pavor nocturnus, nightmares, and enuresis nocturna. Children with tics are more prone to depression, anxiety, inadequate sexual behavior and antisocial defiant behavior. Haloperidol, risperidone and pimozide are available for the treatment of severe tics. The polymorphism of expression, association with psychiatric and other pediatric disorders, and varied treatment and its limitations make childhood tics a great challenge for clinicians. Researchers will still have to clarify the pathophysiology and find new treatment options for tics. Clinically, tics require a team work between neurologists, psychologist, psychiatrists and clinical pharmacologists.
Atrial Fibrillation As A Risk Factor For Stroke
Sanela Bozic,Vesna Suknjaja,Jelena Milojkovic,Nemanja Popovic
Aktuelnosti iz Neurologije, Psihijatrije i Grani?nih Podru?ja , 2011,
Abstract: Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, occurring in 1–2% of the general population. AF confers a 5-fold risk of stroke, and one in five of all strokes is attributed to this arrhythmia. Ischemic strokes in association with AF are oft en fatal, and those patients who survive are left more disabled by their stroke and more likely to suffer a recurrence than patients with other causes of stroke. The prevalence of AF increases with age. Men are more oft en affected than women. AF is associated with a variety of cardiovascular conditions: valvular heart diseases, cardiomyopathies, including primary electrical cardiac diseases, which carry an increased risk for AF, especially in young patients. Atrial septal defect is associated with AF in 10–15%. This association has important clinical implications for the antithrombotic management of patients with a previous stroke or transient ischemic attack (TIA) and an atrial septal defect. AF may manifest initially as an ischemic stroke or TIA, and it is reasonable to assume that most patients experience asymptomatic, oft en self-terminating, episodes of arrhythmia, before AF is first diagnosed. Most patients with acute AF will require anticoagulation unless they are at low risk of thromboembolic complications (no stroke risk factors) and no cardioversion is necessary. Much earlier detection of the arrhythmia might allow the timely introduction of therapies to protect the patient, not only from the consequences of the arrhythmia, but also from progression of AF from an easily treated condition to an utterly refractory problem.
Embolic Events And Neurological Complications In Infective Endocarditis
Vesna Suknjaja,Nemanja Popovic,Sanela Bozic,Jelena Milojkovic
Aktuelnosti iz Neurologije, Psihijatrije i Grani?nih Podru?ja , 2011,
Abstract: Infective endocarditis (IE) is an infection of the endocardial surface of the heart. The intracardiac effects of this infection include severe valvular insuffi ciency, which may lead to congestive heart failure and many complications. Valvular infections have entered the era of IE caused by increased usage of intravascular devices and medical procedures. Typically, the diagnosis is made relatively late, compared to the onset of valvular infection. Complications of infective endocarditis result from embolization, slowly progressive valvular destruction and various immunological mechanisms. Complications are very frequent in IE, complicating 20–60% of cases of IE. Th e risk of embolism is the highest during the first 2 weeks of antibiotic therapy and is clearly related to the size and mobility of the vegetation. Risk is increased with large vegetations (>10 mm) and particularly high with very mobile and even larger vegetations (>15 mm). Neurological complications develop in 20–40% of all patients with IE and are mainly the consequence of embolization. Rapid diagnosis and initiation of appropriate therapy especially antibiotics are of major importance to prevent a first or recurrent neurological complication.
Quantum Entanglement and Spin Control in Silicon Nanocrystal
Vesna Berec
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0045254
Abstract: Selective coherence control and electrically mediated exchange coupling of single electron spin between triplet and singlet states using numerically derived optimal control of proton pulses is demonstrated. We obtained spatial confinement below size of the Bohr radius for proton spin chain FWHM. Precise manipulation of individual spins and polarization of electron spin states are analyzed via proton induced emission and controlled population of energy shells in pure 29Si nanocrystal. Entangled quantum states of channeled proton trajectories are mapped in transverse and angular phase space of 29Si axial channel alignment in order to avoid transversal excitations. Proton density and proton energy as impact parameter functions are characterized in single particle density matrix via discretization of diagonal and nearest off-diagonal elements. We combined high field and low densities (1 MeV/92 nm) to create inseparable quantum state by superimposing the hyperpolarizationed proton spin chain with electron spin of 29Si. Quantum discretization of density of states (DOS) was performed by the Monte Carlo simulation method using numerical solutions of proton equations of motion. Distribution of gaussian coherent states is obtained by continuous modulation of individual spin phase and amplitude. Obtained results allow precise engineering and faithful mapping of spin states. This would provide the effective quantum key distribution (QKD) and transmission of quantum information over remote distances between quantum memory centers for scalable quantum communication network. Furthermore, obtained results give insights in application of channeled protons subatomic microscopy as a complete versatile scanning-probe system capable of both quantum engineering of charged particle states and characterization of quantum states below diffraction limit linear and in-depth resolution. PACS numbers: 03.65.Ud, 03.67.Bg, 61.85.+p, 67.30.hj
Map: Geospatial paradigm
Ikonovi? Vesna
Glasnik Srpskog Geografskog Dru?tva , 2006, DOI: 10.2298/gsgd0602237i
Abstract: There are different definitions of map. There is no one which is accepted in whole world or at least from the most cartographers. In the paper it will be given several definitions which are, at the best way, (according to the author’s opinion) reflecting essence of map as a model of reality. Map as a universal meaning of researching can’t serve only for representing particular geospace (spatial system) or some its element, or to give only clear view about geographical dispersion of objects, phenomena and processes, but have to make possible studying the patterns of that dispersion, as well as their mutual connections and conditions.
Sex differences in commuting in Serbia
Luki? Vesna
Glasnik Srpskog Geografskog Dru?tva , 2007, DOI: 10.2298/gsgd0702067l
Abstract: Bearing in mind that sex differences are one of the factors that influence variability of the scope and directions of commuting, the paper treats problems of commuter’s structure according to sex. Although it gives the data about total commuting according to sex (pupils, students and labor force), the emphasis has been put onto commuting patterns of economically active population due to greater number of factors, which in the case of economically active population have the impact on migratory process. Apart from the review about so-far knowledge about determinants on participation of women in commuting and on differences in directions and territorial range of commuting flows according to sex, changes in participation of women in commuting of workers in Serbia (without Kosovo and Metohija) have been analyzed, with discussion about basic characteristics of commuting flows of economically active women in Serbia.
Atlases: Complex models of geospace
Ikonovi? Vesna
Glasnik Srpskog Geografskog Dru?tva , 2005, DOI: 10.2298/gsgd0502133i
Abstract: Atlas is modeled contexture contents of treated thematic of space on optimal map union. Atlases are higher form of cartography. Atlases content composition of maps which are different by projection, scale, format methods, contents, usage and so. Atlases can be classified by multi criteria. Modern classification of atlases by technology of making would be on: 1. classical or traditional (printed on paper and 2. electronic (made on electronic media - computer or computer station). Electronic atlases divided in three large groups: view-only electronic atlases, 2. interactive electronic atlases and 3. analytical electronic atlases.
Commuting of active population in Serbia
Luki? Vesna
Glasnik Srpskog Geografskog Dru?tva , 2006, DOI: 10.2298/gsgd0601141l
Abstract: The paper deals with the problems of traveling to work, as a special form of geographical mobility of population. The accent has been given to commuting of active population. Development and changes of the extent and characteristics of commuting of workers in Serbia (without Kosovo and Metohija) during the last forty years of the 20th century have been analyzed.
Formation of social types in the theory of Orrin Klapp
Trifunovi? Vesna
Glasnik Etnografskog Instituta SANU , 2007, DOI: 10.2298/gei0701125t
Abstract: Theory of Orrin Klapp about social types draws attention to important functions that these types have within certain societies as well as that it is preferable to take them into consideration if our goal is more complete knowledge of that society. For Klapp, social types are important social symbols, which in an interesting way reflect society they are part of and for that reason this author dedicates his work to considering their meanings and social functions. He thinks that we can not understand a society without the knowledge about the types with which its members are identified and which serve them as models in their social activity. Hence, these types have cognitive value since, according to Klapp, they assist in perception and "contain the truth", and therefore the knowledge of them allows easier orientation within the social system. Social types also offer insight into the scheme of the social structure, which is otherwise invisible and hidden, but certainly deserves attention if we wish clearer picture about social relations within specific community. The aim of this work is to present this very interesting and inspirative theory of Orrin Klapp, pointing out its importance but also its weaknesses which should be kept in mind during its application in further research.
Awareness of one’s own weaknesses is the first step on the path to leadership excellence
Vesna Jankovi?
RUO : Revija za Univerzalno Odli?nost , 2012,
Abstract: RQ: Comparison of personal characteristics of management with the EFQM model of management.Purpose: The purpose of this research study is to determine the similarities and differences of management characteristics on the basis of comparing personal analysis characteristics and the model of management excellence. The aim is to improve the personal style of management and to come closer to excellence.Method: A qualitative method of comparative analysis was used.Results: The results indicated slight deviations that were not perceived by the author as weaknesses but opportunities for improvements. At the same time the results indicated the qualities of a good leader that were already known and upon which these were built upon and developed.Organization: The results are intended to be used by the author’s employer and by the author herself taking on new assignments and responsibilities; transferring from managing a small group of employees to managing a whole business unit and units within the company that are not completely familiar to the author. The research is also an instrument that aids superiors with directing and monitoring the author’s work. To other readers it brings a different view on the aspect of management and the notion of analysis and self-criticism as well as the constant search for improvement.Society: Comparison can be used in the wider environment. Originality: A different view on the problems of management byanalyzing oneself; a constant search for self-improvement on a personal level as well as in one’s own career.Limitations: The research is a basis for comparison, finding improvement, advancement, and digression in the next analysis of personality.
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