1,720,955 research outputs found
[Treatment of the peritoneal carcinomatosis by cytoreductive surgery and intraperitoneal hyperthermic chemotherapy (IHPC): postoperative morbidity and mortality and short-term follow-up]
No full textTreatment of the peritoneal carcinomatosis by cytoreductive surgery and intraperitoneal hyperthermic chemotherapy (IHPC): postoperative morbidity and mortality and short-term follow-u
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
Minimal supervised home rehabilitation improves exercise capacity an health status in patitents with COPD.
No full textOBJECTIVE: The purpose of this study was to investigate the effects on exercise tolerance and quality of life of an outpatient rehabilitation program implemented at home without a physiotherapist's direct supervision in patients with chronic obstructive lung disease. DESIGN: Patients with moderate chronic obstructive pulmonary disease were studied. The rehabilitation program included lower limb exercise on a stationary bicycle and upper limb exercise and stretching, together with education, and it lasted for 12 wks. Every 2 wks, a physiotherapist contacted patients by phone to evaluate their compliance with the rehabilitation program and any adverse effects. The main measures of outcome were the Health Status Index, cycle ergometer test, forced expiratory volume in 1 sec, and forced vital capacity. Patients were evaluated at the baseline and at 12 wks. RESULTS: A total of 32 patients were recruited and 28 (mean age, 70.4 yrs) completed the trial. After pulmonary rehabilitation, a significant improvement was found in seven of the nine Health Status Index quality-of-life subscales. Exercise tolerance also improved significantly, whereas no variation was observed in pulmonary function tests. There was no correlation between the improvement in quality of life and the improvement in exercise tolerance. The improvements in the Health Status Index physical function and general health subscales correlated negatively with forced expiratory volume in 1 sec (percentage of predicted value) and positively with residual volume/total lung capacity ratio. The improvement in exercise tolerance (expressed in watts or as maximum oxygen uptake), but not in quality-of-life indexes, was associated negatively with age and positively with weight, cognitive function, and forced expiratory volume in 1 sec/forced vital capacity ratio. CONCLUSIONS: We conclude that an inexpensive home rehabilitation program can improve quality of life and exercise tolerance in patients with moderate chronic obstructive pulmonary disease. Furthermore, our results indicate that exercise tolerance evaluated by cycloergometry and quality of life evaluated by the mean of the Health Status Index questionnaire are independent outcome measures of pulmonary rehabilitation
Shape and volume of internal anal sphincter showed by three-dimensional anorectal ultrasonography
No full textPurpose: The aim of this work is to characterize the shape and the volume of the internal anal sphincter (IAS) in normal subjects by three-dimensional anorectal ultrasonography. Methods: Thirty-nine normal volunteer males (mean age 58.5 +/- 18.7) and 25 females (mean age 59.4 +/- 14.1) were submitted to anorectal ultrasonography.The tissue is defined by a semiautomatic procedure. Measurements of thickness, length and volume were assessed automatically.The software provides an average number of 57,600 thickness measurements, 360 length measurements for each zone (90 for each quadrant) and seven volume measurements (one for each anatomical area). The mean values of magnitudes were calculated for the entire volume in each quadrant and zone. Age and gender-related variations were analyzed.Results: In assessments of the whole tissue, only thickness was gender-related, with greater thickness for females (male thickness: 1.81 +/- 0.47 mm, female thickness 2.16 +/- 0.57 mm, P-value < 0.01). In the distal zone: thickness, length and volume were all larger in females (for male and female respectively: 1.83 +/- 0.49 mm vs 2.34 +/- 0.58 mm, P-value < 0.01, for the thickness; 10.87 +/- 2.10 mm vs 12.18 +/- 2.21 mm, P-value < 0.02 for the length and 1501 +/- 605 mm^3 vs 2169 +/- 871 mm^3, P-value < 0.01 for the volume). In the medial zone, only thickness was gender-related, with greater thickness in females (male thickness: 2.04 +/- 0.60 mm, female thickness: 2.44 +/- 0.74 mm, P-value < 0.02). The only variation observed in the proximal zone concerned length, larger in males (respectively: 11.27 +/- 2.84 mm vs 9.55 +/- 2.43 mm, P-value < 0.02).The male population was significantly positively correlated with ageing for volume in the whole tissue (rho = 0.32, P-value < 0.05), and for both thickness and volume in the medial zone (rho = 0.33, P-value < 0.05 for thickness; rho = 0.39, P-value < 0.02 for the volume). Conclusion: This new method is useful to understand both functional anal disorders and local damage which may affect only part of the muscle tissue
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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