1,720,958 research outputs found

    Health priorities in adolescents with inflammatory bowel disease: physicians' versus patients' perspectives.

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    OBJECTIVES: Adolescence is a tough age for patients with inflammatory bowel disease (IBD) because they transition from child to adult medicine. Although a better understanding of the experience of illness and therefore a better response to the patient's needs have often been stressed, no studies have yet investigated the paediatricians' insight into their IBD adolescent patients. METHODS: A group of adolescents (ages 12-19) diagnosed as having IBD was administered a questionnaire listing 22 items of concern. They were asked to rank each item on a 5-point scale according to the degree of effect on the quality of their everyday life. The same questionnaire was administered to a group of paediatricians experienced in treating IBD and to a group of paediatric residents. Paediatricians and residents were asked to estimate how much each item would affect the quality of an average patient's life, according to the same scale. The questionnaire was also used in a face-to-face approach, asking a paediatrician to apply the estimation to an individual patient, instead of an average imaginary one. RESULTS: Fifteen paediatric gastroenterologists, 11 paediatric residents, and 28 patients (female:male = 16:12; median age 16.3 years) took part in the study. The majority of patients experienced Crohn disease (17 vs 11 with ulcerative colitis). We found only 6 items overlapping when comparing the top 10 items ranked by patients and paediatricians. The patients' number 1 concern occupies the ninth position in the paediatricians' list. The number 1 item for paediatricians is not even mentioned in the patients' top 10 list. Overall, both paediatricians' and residents' rankings were significantly higher than those given by patients. CONCLUSIONS: We found a significant misalignment in the estimation of health concerns between IBD adolescent patients and their paediatricians. A better insight into IBD patients' worries and concerns is crucial for the improvement of the patient's quality of life and disease outcome

    Perinatal carotid artery ischemic stroke: Report of two cases

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    The mechanisms of perinatal stroke are poorly understood but preclinical studies point to the crucial role of perinatal inflammation. Carotid artery occlusion represents a very rare and severe cause of perinatal stroke. We describe two cases diagnosed with extensive ischemic stroke due to carotid artery occlusion. In both cases, we demonstrated placental vasculopathy. High levels of C-reactive protein in mother and/or neonates suggested inflammatory mechanism as a potential trigger. Both cases underwent hypothermic treatment without complications because of initial diagnosis of perinatal asphyxia. The prognosis at the time of the last follow up was severe including cerebral palsy, epilepsy and cognitive impairment. Our cases contribute to the actual debate on pathogenic mechanisms and treatment options for this rare condition

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Author Index

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