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Lung function values of patients with mild to moderate multiple sclerosis in supine versus sitting position
No full textMultipel skleros (MS) är en progressiv neurologisk sjukdom som bland annat kan orsaka respiratorisk muskelsvaghet. Det är känt att lungfunktionsvärden mätta med spirometri minskar i liggande läge jämfört med sittande och att detta kan vara mer påtaglig hos personer med respiratorisk muskelsvaghet. Syftet med denna studie var att undersöka hur stor minskningen av lungfunktionsvärden mellan sittande och liggande är hos MS patienter samt om den korrelerar med grad av funktionsnedsättning och nedsatt respiratorisk muskelstyrka. I denna studie analyserades tidigare insamlade enkla spirometriundersökningar som mätte lungfunktionsvärdena vitalkapacitet (VC), forcerad vitalkapacitet (FVC), forcerad exspiratorisk volym under en sekund (FEV1) samt peak expiratory flow (PEF) i liggande och sittande läge. De respiratoriska muskelstyrkevärdena maximal expiratory pressure (MEP) och maximal inspiratory pressure (MIP) mättes i sittande läge. Totalt inkluderades 48 patienter med MS bedömd som lindrig till måttlig och expanded disability status scale (EDSS) medianvärde på 4.5 (4.0 – 6.5). Resultatet visade en signifikant minskning av FEV1 och PEF mellan sittande och liggande, men inte av VC och FVC. Ingen korrelation påvisades mellan EDSS, MIP samt MEP och den relativa minskningen av lungfunktionsvärden mellan sittande och liggande läge.Multiple sclerosis (MS) is a progressive neurologic disease which can cause respiratory muscle weakness. It is known that lung volumes measured with spirometry are reduced in supine position compared to sitting and this decrease can be more prominent for those with respiratory muscle weakness. The purpose of this study was to measure how large this reduction is among MS patients as well as if it correlates with degree of disability and reduced respiratory muscle strength. This study analyzed data from a previous study where the lung volumes vital capacity (VC), Forced vital capacity (FVC), forced expiratory volume under one second (FEV1) and peak expiratory flow (PEF) were measured with simple spirometry in sitting and supine position. Maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) were measured in sitting position. The study included 48 patients with mild to moderate MS with a median expanded disability status scale (EDSS) of 4.5 (4.0 – 6.5). A significant reduction of FEV1 and PEF was found between sitting and supine position but not for VC and FVC. No correlation was found between EDSS, MEP as well as MIP and the relative reduction of lung function values between sitting and supine position
Lung function values of patients with mild to moderate multiple sclerosis in supine versus sitting position
No full textMultipel skleros (MS) är en progressiv neurologisk sjukdom som bland annat kan orsaka respiratorisk muskelsvaghet. Det är känt att lungfunktionsvärden mätta med spirometri minskar i liggande läge jämfört med sittande och att detta kan vara mer påtaglig hos personer med respiratorisk muskelsvaghet. Syftet med denna studie var att undersöka hur stor minskningen av lungfunktionsvärden mellan sittande och liggande är hos MS patienter samt om den korrelerar med grad av funktionsnedsättning och nedsatt respiratorisk muskelstyrka. I denna studie analyserades tidigare insamlade enkla spirometriundersökningar som mätte lungfunktionsvärdena vitalkapacitet (VC), forcerad vitalkapacitet (FVC), forcerad exspiratorisk volym under en sekund (FEV1) samt peak expiratory flow (PEF) i liggande och sittande läge. De respiratoriska muskelstyrkevärdena maximal expiratory pressure (MEP) och maximal inspiratory pressure (MIP) mättes i sittande läge. Totalt inkluderades 48 patienter med MS bedömd som lindrig till måttlig och expanded disability status scale (EDSS) medianvärde på 4.5 (4.0 – 6.5). Resultatet visade en signifikant minskning av FEV1 och PEF mellan sittande och liggande, men inte av VC och FVC. Ingen korrelation påvisades mellan EDSS, MIP samt MEP och den relativa minskningen av lungfunktionsvärden mellan sittande och liggande läge.Multiple sclerosis (MS) is a progressive neurologic disease which can cause respiratory muscle weakness. It is known that lung volumes measured with spirometry are reduced in supine position compared to sitting and this decrease can be more prominent for those with respiratory muscle weakness. The purpose of this study was to measure how large this reduction is among MS patients as well as if it correlates with degree of disability and reduced respiratory muscle strength. This study analyzed data from a previous study where the lung volumes vital capacity (VC), Forced vital capacity (FVC), forced expiratory volume under one second (FEV1) and peak expiratory flow (PEF) were measured with simple spirometry in sitting and supine position. Maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) were measured in sitting position. The study included 48 patients with mild to moderate MS with a median expanded disability status scale (EDSS) of 4.5 (4.0 – 6.5). A significant reduction of FEV1 and PEF was found between sitting and supine position but not for VC and FVC. No correlation was found between EDSS, MEP as well as MIP and the relative reduction of lung function values between sitting and supine position
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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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