Orbital floor injury with extraocular muscle entrapment following functional endoscopic sinus surgery.
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Biomedical subjects
Publications and source records attributed to S Hislop.
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In this paper student views on reflective groups, set up as an important element of the new Project 2000 course in a Scottish College of Nursing, are reported. A random sample of 19 students were interviewed. While the reflective groups were very popular with students because they provided support, there was little evidence of a linkage between theory and practice. It was clear that the ambitious objective of stimulating reflection-on-action was not attained. Practice certainly was discussed, but it tended to be dominated by dramatic and emotionally charged aspects of care rather than the more frequent routine concerns. There were, however, indications that the original aim of the reflective groups could be achieved if tutors could establish a common understanding of the purpose of the groups and of reflection, and if the practices on which students reflected consisted less of single day visits where the students saw themselves as nonparticipant outsiders.
In this paper the views of student nurses taking Project 2000 at a Scottish College of Nursing are reported. A random sample of 19 students were interviewed. The interviews focused on the relationship between the college course and the students' experiences on placement. The majority had difficulty in relating the college course to their practice, except when it came to very specific parts of the programme, for example basic medical procedures. Only a minority could integrate the broader aspects of the course to their practice, largely because there was such a long period of time between studying a topic in college and the related placement. It is tempting to see the results as supporting the situated cognition hypothesis that theory loses meaning out of context, and it is evident, even from this limited study, that the success of Project 2000, with its emphasis on the 'knowledgeable doer', could depend, to a great extent, on the careful phasing of college coursework and placement to enable students to integrate theory and practice more effectively.
Multiple HIV-1 nef genes were cloned from lymphocyte DNA of asymptomatic seropositive individuals by polymerase chain reaction (PCR). Sequence analysis of these clones revealed a unique set of nef variants with premature terminations (PCRnef 1 and 6), mutations at sites of potential posttranslational modification (PCRnef 2 and 3) and deletions. In common with laboratory isolates of nef, strong sequence conservation was observed in the central domain of nef and in the myristylation target sequence, with variable domains toward the N- and C-termini of the molecule. The biochemical function of nef remains elusive however, as the products of these genes cloned into a bacterial expression system failed to reveal any nucleotide binding activity.
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Twenty-five patients with a diagnosis of nonorganic burning mouth syndrome were matched for age and sex with twenty-five patients with organically based painful disorders of the mouth. All patients were interviewed by a psychiatrist and completed the General Health Questionnaire to screen for psychiatric disorders. A diagnosis of psychiatric disorder based on clinical examination findings was made in 44% (11/25) of the patients with burning mouth syndrome and in 16% (4/25) of the controls.
In the presence of hydrochloric acid, tripotassium dicitrato-bismuthate forms a particulate precipitate which is electron dense. In upper gastrointestinal tract endoscopic biopsies, following a single oral dose, precipitate was detected between superficial oesophageal epithelial cells and also lining lipid droplets within oesophageal cells. The precipitate does not appear to penetrate the thick mucus barrier in the normal stomach but reaches the epithelial cell surface in the duodenum and proximal jejunum. Small particles of bismuth complex are endocytosed by the enterocyte and enter multivesicular bodies. A similar series of events was observed in rodents and an approximate time course for adsorption and endocytosis was estimated.
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