865 resultados para TSE-taudit
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Vastine Tieteessä tapahtuu-lehden numerossa 4/2002 julkaistuun Osmo Tammisalon artikkeliin "Riisuivatko täit ihmisen turkistaan?"
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Abstract Objective: To compare the diagnostic performance of the three-dimensional turbo spin-echo (3D TSE) magnetic resonance imaging (MRI) technique with the performance of the standard two-dimensional turbo spin-echo (2D TSE) protocol at 1.5 T, in the detection of meniscal and ligament tears. Materials and Methods: Thirty-eight patients were imaged twice, first with a standard multiplanar 2D TSE MR technique, and then with a 3D TSE technique, both in the same 1.5 T MRI scanner. The patients underwent knee arthroscopy within the first three days after the MRI. Using arthroscopy as the reference standard, we determined the diagnostic performance and agreement. Results: For detecting anterior cruciate ligament tears, the 3D TSE and routine 2D TSE techniques showed similar values for sensitivity (93% and 93%, respectively) and specificity (80% and 85%, respectively). For detecting medial meniscal tears, the two techniques also had similar sensitivity (85% and 83%, respectively) and specificity (68% and 71%, respectively). In addition, for detecting lateral meniscal tears, the two techniques had similar sensitivity (58% and 54%, respectively) and specificity (82% and 92%, respectively). There was a substantial to almost perfect intraobserver and interobserver agreement when comparing the readings for both techniques. Conclusion: The 3D TSE technique has a diagnostic performance similar to that of the routine 2D TSE protocol for detecting meniscal and anterior cruciate ligament tears at 1.5 T, with the advantage of faster acquisition.
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Kartta kuuluu A. E. Nordenskiöldin kokoelmaan
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Rapport de recherche
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This paper aims to analyze some aspects of Mao Tse -Tung’s revolutionary ideas, specially those related to his Organizational Theory and Peasantry. We use some approaches to interact with his ways of thinking, like an interlocution with some of his texts, as also dialogues with some analysts; and how his political ideals progressed in the Chinese scenery, redeeming several categories of country laborers, peasants. Nevertheless, this work also aims to evaluate the role of the Chinese Army in the process; not only because its creation started with the peasants, but also because the Institution was a crucial instrument for achieving the victory of the Revolution. Through its context, this essay is also a suggestion, as a component to be considered in this line of thinking.
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Transmissible spongiform encephalopathies (TSE) form a group of human and animal diseases that share common features such as (a) distinct pathological lesions in the central nervous system, (b) transmissibility at least in experimental settings, and (c) a long incubation period. Considerable differences exist in the host range of individual TSEs, their routes of transmission, and factors influencing the host susceptibility (such as genotype). The objective of this review was to briefly describe the main epidemiological features of TSEs with emphasis on small ruminant (sheep, goats) TSE, bovine spongiform encephalopathy (BSE) in cattle and chronic wasting disease (CWD) in deer and elk.
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Switzerland is controlling Transmissible Spongiform Encephalopathies (TSE) in cattle (BSE) and small ruminants (scrapie). Since BSE is potentially transmissible to sheep, goats or pigs through feeding of contaminated meat and bone meal, implementation of an active surveillance programme for TSE in these species is discussed. The aim of this pilot study was to obtain preliminary data on the prevalence ofTSE and other neurological disorders in these populations. For that purpose, a total of 398 perished and 825 slaughtered adult small ruminants and pigs was examined for the presence of neuropathological changes. None of these animals revealed positive for TSE. However, the investigations demonstrated that perished sheep and goats exhibited a higher prevalence of relevant neuropathological changes when compared with slaughtered animals. From these results, it is concluded that perished small ruminants are probably a risk population for TSE and should be considered as target populations for an active surveillance programme.
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Digitalisat der Ausg. Sulzbach, 1731/32
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fon Itsk Eykhl
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[Yaʿaḳov ben Yitsḥaḳ Askhenazi]