1,720,956 research outputs found
Endoscopic transsphenoidal surgery and Haddad nasoseptal flap of Rathke’s cleft cysts
No full textIntroduction: Rathke’s cleft cysts (RCC) grow formed from remnants of the embryologic Rathke’s pouch and are often found incidentally in the sellar or suprasellar region. These lesions are usually asymptomatic in most people. However, as the cyst progressively enlarges, they may develop symptoms typical of RCC, including headache, vision loss, and endocrine dysfunction. The diagnosis procedure involves an MRI scan of the pituitary gland. The endoscopic transsphenoidal approach has become the most common surgical approach to treat RCC. In the last 15 years, endonasal endoscopy has been widely used in the surgical management of these lesions. Case report: A 58-year-old Asian woman was reported mainly with a complaint of headache that had increased over the last two months, occasional nausea and vomiting, and blurred vision experienced for 1 month
A case report on attempted suicide by self-slitting resulting in laryngeal fracture
No full textIntroduction: Laryngeal fractures cause significant problems with airway patency, vocal production, and swallowing function. The mechanism of injury can be sharp or blunt and can occur in the supraglottic, glottic, or infraglottic regions. Blunt external trauma to the neck caused by motor vehicle accidents, sports-related trauma, assault, and strangulation are the most frequent causes of laryngeal ruptures and fractures. Penetrating trauma is the second leading cause, often due to gunshot or stab wounds to the neck. The immediate goal in patients presenting to the emergency department with laryngeal rupture is to secure the airway. One of the indications for tracheostomy placement includes acute respiratory failure with the need for prolonged mechanical ventilation
Endoscopic dacryocystorhinostomy as treatment for lacrimal pathway obstructions: Serial case reports
No full textIntroduction: The lacrimal system is an important system for maintaining the normal condition of the ocular surface. Obstruction of the lacrimal duct can lead to inflammation and accumulation of debris and pathogens such as bacteria or fungi in the lacrimal sac and then cause dacryocystitis. This disease is often found in children or adults over 40 years of age, especially women with a peak incidence at the age of 60 to 70 years. Complaints usually include eye discomfort and redness accompanied by excessive tears. The diagnosis can be made based on physical examination, staining tests, and imaging photographs, such as dacryocystography, computed tomography (CT), and magnetic resonance imaging (MRI). Management of dacryocystitis is conservative, supportive, and surgical with an open or endonasal approach
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Get PDFWe 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
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
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