1,720,962 research outputs found
Marked sinus bradycardia and QT prolongation in a diabetic patient with severe hypoglicemia.
No full textWe report an uncommon case of an insulin-treated patient, presenting severe hypoglycemia, coma, marked sinus bradycardia and QT prolongation. Intravenous administration of glucose and atropine awaked the patient and increased heart rate but did not affect QT prolongation. Basal and exercise electrocardiogram excluded primary diseases associated with QT prolongation. Pathophysiologic aspects of electrocardiographic and clinical findings occurring in the hypoglycemic patients are briefly disussed
Atherosclerotic vascular diseases have really the same risk factors? Comparison between large abdominal aortic aneurysm and obstructive non-coronary arterial disease
No full textObjectives The purpose of this study was to investigate whether there are differences among clinical conditions and traditional atherosclerotic risk factors between patients with large abdominal aortic aneurysm and those with occlusive non-coronary arterial disease. Methods We clinically examined 519 patients with asymptomatic abdominal aortic aneurysm and 672 with severe obstructive arterial diseases before surgical repair. Results In patients with abdominal aortic aneurysm, we identified a clear predominance of males ( p < 0.001), more alcohol consumers ( p < 0.05), higher values of diastolic blood pressure ( p < 0.05), higher values of serum creatinine ( p < 0.005), more hyperuricemic patients ( p < 0.005) and less diabetics ( p < 0.001). In patients with occlusive atherosclerotic vasculopathies, we observed more smokers ( p < 0.05), higher systolic blood pressure and more hypertensives ( p < 0.05 respectively) and a prevalence of hypertriglyceridemia ( p < 0.05). Conclusions Patients with abdominal aortic aneurysm were mostly males with diastolic hypertension, impaired renal function and less diabetics, while patients with occlusive arteriopathy were more smokers, hypertensives and more hypertriglyceridemics
Perioperative complications following major vascular surgery. Correlations with preoperative clinical, electrocardiographic and echocardiographic features
No full textClinical, electrocardiographic and echocardiographic features in patients with major arterial vascular disease assigned to surgical revascularization [Klinische, elektro- und echokardiographische Charakteristika von Patienten mit arterieller Gefäßerkrankung und chirurgi-scher Indikation]
No full textBackground: Preoperative cardiac assessment may essentially contribute to estimate the operative risk in vascular surgery. This study was undertaken to depict the clinical conditions and cardiac status in patients before elective major vascular surgery.
Patients and methods: 143 patients with asymptomatic critical aortic abdominal aneurysm, 119 with high-grade carotid stenosis, and 138 with advanced symptomatic ischemia due to peripheral artery disease were assigned to surgical revascularization. Preoperatively, all subjects completed detailed medical history, physical and laboratory examinations, electrocardiogram, and transthoracic echocardiography.
Results: In patients with peripheral artery disease we identified more smokers (p<0.05), diabetes (p<0.01), hypertriglyceridemia (p<0.05), previous myocardial infarction (p<0.01); the asymptomatic aortic abdominal aneurysm group had a higher body mass index (p<0.05), diastolic hypertension (p<0.05), and most had left ventricular anterior hemiblocks (p<0.001). Patients with critical carotid stenosis were older (p<0.01), with greater systolic hypertension (p<0.01), and with a less compromised left ventricular systolic function.
Conclusions: Patients with peripheral artery disease were mostly affected by severe metabolic diseases and by worst cardiac conditions; patients with asymptomatic abdominal aortic aneurysms were of robust physique, and often had left ventricular anterior hemiblocks. Patients with critical carotid stenosis were older and had less cardiomyopathies
Effetti sul rimodellamento ventricolare sn a breve-medio termine di bioprotesi aortiche stented e stentless
No full textRilievi clinico-laboratoristici con aneurisma asintomatico dell'aorta addominale, stenosi carotidea ed arteriopatia periferica
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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
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
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