1,721,395 research outputs found
Etiology, diagnosis and treatment of renal colic during pregnancy
No full textTo assess the incidence and causes of renal stones in pregnant women, investigate the reliability and accuracy of diagnostic investigations and to consider the various therapeutic options available
Perchè fondere AEM e ASM?
No full textAnalisi dei dati di bilancio e delle sinergie tra AEM e ASM prima della loro fusione. Problemi di governance della nuova società
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
Study of the renal segmental arterial anatomy with contrast-enhanced multi-detector computed tomography
No full textTo use triphasic multi-detector computed tomography (MDCT) to study the renal segmental arterial anatomy and its relationship with the urinary tract to plan nephron-sparing surgery (NSS).
One hundred and fifty nine patients underwent abdominal contrast-enhanced MDCT. We evaluated renal arteries and parenchymal vasculature. In 61 patients, the arteries and the urinary tract were represented simultaneously.
86.60 % presented a single renal artery; 13.4 %, multiple arteries. All single renal arteries divided into anterior and posterior branch before the hilum. The anterior artery branched into a superior, middle, and inferior branch. In 43.14 %, the inferior artery arose before the others; in 45.75 %, the superior artery arose before the others; in 9.80 %, the branches shared a common trunk. In 26.80 %, the posterior artery supplies the entire posterior surface; in 73.20 %, it ends along the inferior calyx. In 96.73 %, the upper pole was vascularized by the anterior superior branch and the posterior artery: the "tuning fork". MDCT showed four vascular segments in 96.73 % and five in 3.27 %. MDCT showed two avascular areas: the first along the projection of the inferior calyx on the posterior aspect, the second between the branches of the "tuning fork".
The arterial phase provides the arterial tree representation; the delayed phase shows arteries and urinary tract simultaneously. MDCT provides a useful representation of the renal anatomy prior to intervascular-intrarenal NSS
Brushing device to keep biliary drainage catheters clean
No full textThe authors describe the use of a brush set for cleaning biliary drainage catheters during the first few days when establishment of a satisfactory bile flow is delayed by clots and bile sludge
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