1,720,960 research outputs found
Successful transvenous mechanical lead extraction and stent implantation in a patient after Mustard palliation for D-transposition of great arteries and superior vena cava syndrome
No full textWe report a successful combined approach of transvenous mechanical pacing lead extraction and stent angioplasty for superior baffle occlusion in a young woman with D-transposition of great artery after Mustard procedure. After having extracted the pacing leads, the baffle was easily stented, thanks to the channel left by the extracted leads. Eventually, a new pacing lead was implanted into the pulmonic ventricle through the stented baffle. Our report demonstrates the safeness and feasibility of a combined interventional approach in avoiding the need for surgery
Subcutaneous Implantable Cardioverter-Defibrillator and Left Ventricular Assist Device A Safe and Effective Approach for Refractory Heart Failure
Full text linkAxillary vein puncture using fluoroscopic landmarks: a safe and effective approach for implantable cardioverter defibrillator leads.
No full textEffective and safe lead extraction using the bidirectional rotational Evolution® sheath in a child with congenital heart disease
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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
Interventricular conduction disorders after orthotopic heart transplantation: risk factors and clinical relevance
No full textCauses and significance of interventricular conduction disorders (IVCDs) after orthotopic heart transplantation (OHT) are still unknown
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
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