1,721,188 research outputs found
Emangioma del ginocchio
No full textIntra-articular, or vascular hamartoma, is a tumor-like lesion assentially made up of anomalous blood vessels localized in the joint capsule, in the synovial membrane, or in both structures. There are two anatomical varieties: one circumscribed localised and one extended. There seeems to be predilection for the female sex, and age of onset ranges from birdth to 20-30 years of age; it occurs more frequently in the knee, less in the elbow, in the wrist and in the ankle. Synptoms, which often begin after local trauma, include joint swelling nd pain, both characterized by discontinuity anf long duration. sometimes there is an increase in swelling, repeated episodes of hemarthrosis, forced position and functional of the joint, increase in skin temperature. Final diagnosis can only be obtained with histological exam, although MRI may be useful and arteriography clearly reveals it, if the hamartoma is extended enough and communicating with the circulation. Histological exam carried out on fragments of tissue taken in loco receals a labyrinthine agglomerate of fissures and lengthening cavities, with walls that are generally thick and of a venous-like anomalous type. The course of the desease is slow, with pediods of remission of local symptoms of varying duration.Treatment is surgical and it consist in complete removal when possible of the angiomas. The results are satisfactory; recurrence is infrequent and it is generally due to incomplete excision of the noeformation
Studio controllato sull’efficacia dell’acetilsalicilato di lisina per via mesoterapica nella lombosciatalgia
No full textObiettivo. La mesoterapia ha avuto negli ultimi anni notevole e diffuso impiego. Scopo di questo lavoro è stato quello di valutarne la validità nel trattamento della lombosciatalgia.
Metodi. Quarantaquattro pazienti ricoverate presso la V Clinica Ortopedica dell'Università degli Studi di Milano, Istituto Policlinico San Donato, per lombosciatalgia acuta non compressiva, sono state casualmente suddivise in due gruppi. Accanto alle codificate terapie del caso, un gruppo è stato sottoposto a ciclo di mesoterapia con somministrazione di acetilsalicilato di lisina; l'altro invece a ciclo di mesoterapia con somministrazione di soluzione fisiologica. Per valutare l'efficacia della terapia ci si è basati sull'utilizzo di un sistema analogico continuo di valutazione del dolore. Sono stati considerati positivi i casi nei quali la sintomatologia dichiarata durante una valutazione compiuta 4 ore dopo l'applicazione mesoterapica mostrava una diminuzione fino ad un valore pari o inferiore ai 3/5 di quello misurato prima dell'applicazione stessa; negativi sono stati considerati tutti gli altri casi.
Risultati. La differenza tra i risultati positivi e quelli negativi nei due gruppi è risultata statisticamente significativa solo dopo la prima somministrazione e non più dopo le successive del ciclo.
Conclusioni. Le risposte ottenute mostrano comunque una linea di tendenza in favore dell'efficacia della mesoterapia come terapia collaterale nel trattamento delle lombosciatalgie acute.Background. In recent years mesotherapy has been used on a wide scale. The purpose of the present paper is to assess its validity in the treatment of lumbo-sciatic pain syndrome. Methods. Forty-four patients hospitalised at the V Orthopaedic Clinic of the University 124 of Milan, Istituto Policlinico San Donato for acute non-compressive lumbo-sciatic pain syndrome were subdivided into two random groups. In addition to the codified standard therapy, one group received a cycle of mesotherapy with administration of acetylsalicylic acid; the other a cycle of mesotherapy with administration of a physiological solution. A continuous analogic system of pain assessment was used to evaluate the effectiveness of the treatment. Cases in which the symptomatology declared during an evaluation carried out 4 hours after mesotherapy showed a diminution up to a value equal to or less than 3/5 of that measured before the therapy were considered positive; all other cases were considered negative. Results. The difference between positive and negative results in the two groups was statistically significant only after the first administration and was no longer so after subsequent cycle administrations. Conclusions. The responses obtained, however, show a trend line in favour of the effectiveness of mesotherapy as collateral therapy in the treatment of acute lumbo-sciatic pain syndrome
Synovial hemangioma : description of a case
No full textIntra-articular, or vascular hamartoma, is a tumor-like lesion assentially made up of anomalous blood vessels localized in the joint capsule, in the synovial membrane, or in both structures. There are two anatomical varieties: one circumscribed localised and one extended. There seeems to be predilection for the female sex, and age of onset ranges from birdth to 20-30 years of age; it occurs more frequently in the knee, less in the elbow, in the wrist and in the ankle. Synptoms, which often begin after local trauma, include joint swelling nd pain, both characterized by discontinuity anf long duration. sometimes there is an increase in swelling, repeated episodes of hemarthrosis, forced position and functional of the joint, increase in skin temperature. Final diagnosis can only be obtained with histological exam, although MRI may be useful and arteriography clearly reveals it, if the hamartoma is extended enough and communicating with the circulation. Histological exam carried out on fragments of tissue taken in loco receals a labyrinthine agglomerate of fissures and lengthening cavities, with walls that are generally thick and of a venous-like anomalous type. The course of the desease is slow, with pediods of remission of local symptoms of varying duration.Treatment is surgical and it consist in complete removal when possible of the angiomas. The results are satisfactory; recurrence is infrequent and it is generally due to incomplete excision of the noeformation
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
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
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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