1,720,964 research outputs found
TRATTAMENTO DELLA DEMENZA IN PAZIENTE PORTATORE DI PACEMAKER, TRA DUBBI E RAGIONEVOLEZZA SCIENTIFICA
No full textThyroid hormones, metabolic syndrome and Vitamin D in middle-aged and older euthyroid subjects: a preliminary study
No full textAim: To explore the relationship between thyroid hormones, Vitamin D (Vit.D) serum concentrations and metabolic syndrome (MetS) in euthyroid subjects. Methods: 123 community-dwelling subjects were enrolled. According to thyroid-stimulating hormone (TSH) values the sample was divided into: (1) group 1 (TSH ≤ 2 mU/L); (2) group 2 (TSH > 2 mU/L). Results: Group 2 showed higher percentage of subjects with MetS (p = 0.003) and hypertension (p = 0.031), higher values of waist circumference (WC) (p = 0.007), parathyroid hormone (p = 0.016), glycaemia (p = 0.045), triglycerides (p = 0.034) and free T4 (fT4) (p = 0.013). Correlation analysis showed several weak significant correlations: MetS with TSH (r = 0.202, p = 0.031) and fT3 (r = − 0.206, p = 0.028); THS with body mass index (r = 0.187, p = 0.047) and hypertension (r = 0.199, p = 0.034); Vit.D with WC (r = − 0.185, p = 0.04). Conclusions: Our results showed a possible association between thyroid hormones and MetS. Visceral fat and insulin resistance may be an interesting link between Vit.D and TSH levels
Right bundle branch and hypothyroidism in an elderly woman. a complex interaction in the risk of syncope
No full textThyroid hormones are modulators of cardiac function and conduction with proarrhytmic and antiarrhythmic effects and hypothyroidism is also associated with cardiovascular disease. We investigated the case of an elderly patient with a history of syncopes to investigate the arrhythmic risk in a patient with bundle branch block and abnormal thyroid function
Acute and recurring pericarditis. a singular case of overlap syndrome with autoimmune diseases
No full textAutoimmune disorders are responsible for a substantial amount of disability and morbidity. Most of the identified autoantibodies are shared among multiple autoimmune diseases. The pattern of these antibodies’ association with autoimmune phenotypes varies, suggesting that certain subgroups of autoimmune diseases are likely to share etiological similarities and underlying mechanisms of disease. In this article, we present a clinical case of acute and recurring pericarditis and we propose an overlap phenotype with Sjögren’s syndrome (SS) and rheumatoid arthritis (RA) with interesting implications in clinical management of patient
The role of ivabradine in diastolic heart failure with preserved ejection fraction. A doppler-echocardiographic study
No full textBackground: Ivabradine (IVA) is effective in patients with coronary artery disease (CAD) or systolic heart failure in sinus rhythm. Its action consists in reducing heart rate (HR) and improving the time of left ventricular (LV) diastolic filling. The aim of this study was to evaluate the effects of IVA added to conventional therapy on patients with diastolic heart failure (DHF) and preserved ejection fraction (HFpEF). Methods: We evaluated 25 patients with DHF in the New York Heart Association (NYHA) Class II-III and sinus rhythm. In these, IVA per os (5 mg/twice a day) was added to the conventional medical therapy and given for 12 weeks. Immediately before the beginning of IVA therapy and 3 months later, patients underwent echocardiographic evaluation by two-dimensional (2D) ultrasound and tissue Doppler imaging (TDI). The patterns of diastolic mitral inflow and pulmonary venous flow were recorded using 2D echocardiography, while the diastolic phase of mitral flow was recorded by TDI, from the lateral mitral annulus. Results: Three months after the addition of IVA to conventional treatment, HR significantly decreased in comparison to the baseline values. On the contrary, the echocardiographic indexes of LV diastolic dysfunction improved. Conclusions: These results testify that the addition of IVA to conventional therapy in patients with HFpEF can improve LV diastolic function evaluated by 2D and tissue Doppler-echocardiographic patterns. These Doppler-echocardiographic results match with the clinical improvement of patients evaluated
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
- …
