1,720,974 research outputs found
Valutazione ecografica del tendine di Achille e dell'entesi rotulea nei giocatori di calcio e basket: potrebbe essere utile per prevedere lo sviluppo di lesioni muscolari e tendinee?
BACKGROUND: Achilles and patellar entheseal abnormalities are frequently seen in athletes and healthy subjects at ultrasound (US) evaluation. However, to our knowledge, no studies have been performed to assess the possible asso-ciation between the presence of subclinical entheseal abnormalities and the possibility to develop muscular injuries in professional athletes. The aim of this study was: to compare US entheseal abnormalities in a group of athletes with age and sex-matched healthy controls and to assess the 12 months risk for the development of symptomatic muscular and tendon injuries at lower limb. METHODS: Consecutive soccer and basket players attending our clinic for routine controls were asked to participate. US evaluation of Achilles tendon and patellar tendon insertion at tibial tuberosity was performed in order to evalu-ate the presence of subclinical enthesopathy. The evaluation of tendons and entheseal thickness was also performed. Finally, athletes were followed up for 1 year and the development of muscular and tendon injuries at lower limb was evaluated. RESULTS: Forty athletes and 20 healthy controls were enrolled for this study. Overall, entheseal US abnormalities were found in 25 (62.5%) athletes. Both Achilles tendon and enthesis thickness were significantly higher in respect to healthy controls. During the follow up, 6 (15%) athletes suffered a muscle injury at lower limb and 1 (2.5%) an Achil-les tendon lesion. None of the enrolled controls reported any injuries. Logistic regression analysis did not find any statistically significant associations between the presence of entheseal abnormalities and the development of injury. However, a tendency to develop muscular injuries at lower limb was found in those athletes with Achilles tendon abnormalities (odds ratio [95% CI]: 6 [0.83-43], P=0.07). CONCLUSIONS: A tendency for an association of US Achilles tendon enthesopathy with muscular lower limb injuries was found. This may suggest that screening of asymptomatic individuals could be of use in identifying those who are at higher risk of developing injury, which may allow targeted modifications of training or other preventative regimens. (Cite this article as: Perrotta FM, Ronga M, Guerra G, Lubrano E. Ultrasonographic evaluation of Achilles tendon and patellar enthesis in football and basketball players: could it be useful to predict muscular and tendon injuries? Med Sport 2022;75:436-45. DOI: 10.23736/S0025-7826.22.04170-9
Going Beyond Counting First Authors in Author Co-citation Analysis
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
“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
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
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
koamabayili/VECTRON-author-checklist: VECTRON author checklist
We 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
The Sex Influence on Response to Tumor Necrosis Factor-α Inhibitors and Remission in Axial Spondyloarthritis.
OBJECTIVE: The aim of this study was to evaluate the influence of sex on response to treatment and disease remission in patients with axial spondyloarthritis (axSpA).
METHODS: In this retrospective multicenter study, patients with axSpA, according to the Assessment of Spondyloarthritis international Society (ASAS) criteria for axSpA, and treated with adalimumab, etanercept, golimumab, or infliximab, were studied. We compared clinical characteristics, patient-reported outcomes, disease activity, function, and response to treatment in male and female patients with this disease.
RESULTS: Three hundred forty patients with axSpA (270 with ankylosing spondylitis, 19 with psoriatic arthritis with axial involvement, and 51 with nonradiographic axSpA) were studied. Male subjects had a significantly higher prevalence of grade IV sacroiliitis, higher levels of serum C-reactive protein, lower Maastricht Ankylosing Spondylitis Enthesitis Score, and fatigue when compared with females. Further, Kaplan-Meier survival curves showed that the rate of partial remission, ASAS40 response, and Ankylosing Spondylitis Disease Activity Score (ASDAS) major improvement, but not ASDAS inactive disease, were significantly lower in female patients.
CONCLUSION: Our data suggest that female sex was associated with a lower rate of response to treatment and of disease remission in patients with axSpA treated with antitumor necrosis factor-α drugs
Author-wise bibliometric analysis based on entropy.
Author-wise bibliometric analysis based on entropy.</p
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