1,721,105 research outputs found
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
Assessing Finger Flexor Pulley Injuries in Climbers: A Comprehensive Review of Clinical and Functional Testing Methods
Get PDFObjectives: This systematic review addressed the following questions: what are the most recommended diagnostic criteria for pulley injuries in finger flexors among climbers? What is the best functional or classification clinical test for these injuries based on the available evidence? Materials and Methods: Following the PRISMA Statement checklist, a systematic literature review was conducted between August and September 2023, using a search on the PubMed database with a string of keywords and MeSH terms. The PEDro scale was used to analyze bias in the individual studies examined. Conclusions: Based on the exclusion criteria and research question, 14 articles with heterogeneous study designs were selected. Studies involving diagnosis through clinical examination or instrumental tests were analyzed. The data obtained provide an overview of different diagnostic and classification criteria for the injury under consideration. Ultrasounds remain the gold standard in diagnosing finger pulley injuries. The distance between the tendon and bone is the most used diagnostic criterion, with a distance greater than 2 mm corresponding to an A2 or A4 pulley injury. The clinical sign of bowstringing coincides with a multiple pulley injury involving A2, A3, and A4. Clinical signs, ultrasounds, and grip strength should be evaluated for a comprehensive diagnosis. A grip deficit of 41.4% corresponds to a pulley injury
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
Unicompartmental knee replacement: a historical overview
Get PDFThere is currently a growing demand for unicompartmental knee replacement (UKR) to treat degenerative osteoarthritis or osteonecrosis of a single compartment of the knee.
This procedure has evolved significantly over the past three decades and we here present a brief review of the literature on this topic. This historical overview traces the hypotheses that have led to the modern state of the art in minimally invasive UKR surgery and to the revival of the concept of interpositional hemiarthroplasty
Ricostruzione anatomica del legamento crociato anteriore con passaggio in posizione over the top dei tendini di gracile e semitendinoso
No full textDouble bundle ACL reconstruction using hamstrings allows a more anatomic result and permits to avoid the use of hardware for graft fixation. Hamstrings tendons are harvested maintaining their tibial insertion intact. Tibial tunnel is positioned at the middle-posterior portion of native ACL tibial insertion. Regarding femoral tunnel, the guidepin is introduced from the AM arthroscopic portal to 10 o' clock position in the medial wall of the lateral condyle and it passes through the lateral femoral cortex. The correct exit point on the lateral femoral cortex has to be positioned just superior to lateral femoral condyle origin. Graft is first passed in over the top position. The correct position is found palpating with a finger the lateral femoral condyle tubercle. Suture wires at the free extremities of harvested tendons are charged on a guide wire which is retracted into the knee in over the top position. Using a suture carrier through AM portal, another suture wire is taken into the joint and then retracted outside through the femoral tunnel. Suture wires at the free extremities of the graft are tied again on the messenger wire, which is finally retracted through the femoral tunnel, the joint space and the tibial tunnel, so that the graft finally comes out from the tibial incision. The graft is then tensioned and fixed with a transosseous knot. This technique wants to reproduce the kinematic effect of antero-medial and postero-lateral bundle of the ACL
ACL Reconstruction Using Hamstring. Over the top Plus Lateral Plasty Technique. Results at 10 years follow-up
No full textACL Reconstruction using Hamstring: Single vs Double Bundle Technique. Randomized Comparative Study with 3 years follow-up
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