1,720,981 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Prospective compliance assessment to surgical site infection prevention measures in colorectal surgery
No full textCONTEXTE: Le succès d’un plan de prévention des infections en chirurgie colo-rectale est dépendant de la compliance. Le but de cette étude est d’évaluer si des situations difficiles peuvent avoir un impact sur la compliance du plan de prévention.
METHODES: Ont été inclus dans cette étude prospective et observationnelle les patients ayant bénéficié d’une chirurgie colo-rectale ou une appendicectomie entre novembre 2018 et octobre 2020, après l’implémentation d’un plan de prévention contre les infections. Les différents items du plan de prévention étaient l’administration des antibiotiques, la désinfection de la peau, le contrôle de la température, les changements de gants, le lavage intra-abdominal, l’introduction de drains, et les l’algorithmes de fermeture. La compliance de chaque item a été évaluée en fonction de la durée chirurgicale, de l’âge du patient et du temps chirurgical.
RESULTATS: 463 patients ayant bénéficié d’une appendicectomie, 458 d’une chirurgie colique et 98 d’une chirurgie rectale ont été inclus. La compliance du lavage intra-abdominal, de l’introduction de drain et du contrôle de la température diminuaient significativement avec le temps chirurgical dans la chirurgie colique (88%, 86% et 64% pour les chirurgies durant de 180minutes, respectivement, p<0.05). La compliance de l’algorithme de fermeture augmentait avec la durée chirurgicale (62% vs 88%, p<0.05). La compliance de l’administration de l‘antibiothérapie, des changements de gant, et de la protection des plaies était plus haut chez les patients opérés de jour que de nuit pour les colectomies (93% vs. 69%, 85% vs. 72% and 87% vs. 58%, respectivement, all p<0.05).
CONCLUSION Cette étude a permis de montrer une diminution de la compliance de certains items lors de l’augmentation du temps opératoire et lors des opérations de nuit. Il se peut que ceci soit responsable de plus mauvais résultats dans des conditions difficiles
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Full text linkWe 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
Close-wound negative pressure therapy dressing after loop ostomy closure: a retrospective comparative study
No full textEnjeu / Contexte
Depuis une dizaine d’années, une nouvelle technologie de pansements aspiratifs sur plaie fermée (Close-wound negative pressure therapy dressing (NPWT)) a été introduite sur le marché.
Plusieurs études récentes ont montré une efficacité de ces dispositifs sur la réduction des infections de site opératoires particulièrement sur les plaies à haut risque infectieux.
Nous avons eu comme objectif de comparer les taux d'infection incisionnelle de site opératoire chez les patients ayant bénéficié d’une fermeture de stomie avec ou sans application supplémentaire d'un pansement NPWT.
Conclusion
Le dispositif de pansement NPWT a été posé chez 85 patients après fermeture de stomie par abord direct. Nous avons comparé ce groupe d'étude à un groupe contrôle de 252 patients qui ont également bénéficié d’une fermeture de stomie par abord direct mais sans application du dispositif.
Les deux groupes sont comparables selon analyse statistique des données démographiques (âge, sexe, indice de masse corporelle, score ASA), du type de stomie et de la technique anastomotique.
Nous avons observé dans le groupe d’étude, une infection incisionnelle de site opératoire chez 4 patients (soit un taux d’infection de 4.7 %). Comparativement, dans le groupe contrôle, 27 patients ont développé une infection incisionnelle de site opératoire (10.7 %) (p=0,097).
Perspective
Ces résultats préliminaires ne sont pas statistiquement significatifs, mais suggèrent un bénéfice potentiel de l'application systématique du dispositif NPWT dans la réduction du risque d’infection de site opératoire. En particuliers après fermeture de stomie par abord direct.
Une étude randomisée et contrôlée serait nécessaire pour démontrer cette hypothèse.
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Closed‑wound negative pressure wound therapy (NPWT) dressings were recently introduced with the purpose to reduce incisional surgical site infections (iSSI) in high‑risk wounds. The aim of this study was to compare iSSI rates in patients after ostomy closure with and without additional application of a closed‑wound NPWT dressing. Single‑center retrospective analysis of consecutive patients undergoing ileo‑ or colostomy closure over an 8‑year period (January 2013—January 2021). Intradermal non‑purse string technique with absorbable sutures were used in all patients. Since November 2018, all patients (study group) received a NPWT device for a maximum of 5 days postoperatively (PICO, SMITH AND NEPHEW). Primary outcome was iSSI rate within 30 days of surgery. SSI was defined in accordance with the Center of Disease Control (CDC) classification and included superficial and deep incisional SSI. Data was retrieved from the institutional enhanced recovery after surgery (ERAS) database, with standardized complication assessment by trained abstractors. In total, 85 patients (25%) in the study group were comparable with 252 (75%) patients in the control group regarding demographics (age, gender, body mass index, ASA score), ostomy type and anastomotic technique (all p > 0.05), but not wound contamination class (class III: 5% vs 0%, p < 0.001). Median time to NPWT removal was 4 (IQR 3–5) days. Incisional SSI were observed in 4 patients (4.7%) in the study group and in 27 patients (10.7%) in the control group (p = 0.097). These preliminary results suggest a potential benefit of systematic application of the NPWT device after loop ostomy closure. A randomized controlled study is needed
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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