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  • 1980-1984  (2)
  • Diagnosis, preoperative  (1)
  • Sodium nitroprusside  (1)
  • 1
    ISSN: 1432-1238
    Keywords: Glyceryl trinitrate ; Isosorbide dinitrate ; Sodium nitroprusside ; Coronary blood flow ; Myocardial oxygen consumption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The influences of glyceryl trinitrate, isosorbide dinitrate and sodium nitroprusside intravenously on haemodynamics, coronary circulation and myocardial oxygen consumption were investigated in closed chest dogs (n=8). In an attempt to simulate heart failure the dogs received blood transfusion (15 ml/kg) in the presence of halothane-induced myocardial depression. All three nitrates reduced the loads for the left ventricle. With isosorbide dinitrate and sodium nitroprusside the preload and pulmonary pressure decreased to a greater extent than with glyceryl trinitrate. The haemodynamic results suggest that sodium nitroprusside is the favourable nitrate in left ventricular failure because it produces a balanced reduction in the ratio of pre- and afterload. Four μg/kg·min sodium nitroprusside induced marked coronary dilatation; glyceryl trinitrate had only a slight coronary vasodilating effect. With isosorbide dinitrate the myocardial blood flow remained well adapted to oxygen demand, the coronary vascular resistance did not change. Sodium nitroprusside produced a significant change of the transmural myocardial blood distribution-expressed as the epi/endocardial blood flow ratio. The ratio was increased by sodium nitroprusside, much more than by glyceryl trinitrate or isosorbide dinitrate.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 359 (1983), S. 161-170 
    ISSN: 1435-2451
    Keywords: Meckel's diverticulum ; Resection ; Diagnosis, preoperative
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Ein Krankengut von 155 Meckelschen Divertikeln wird analysiert. 122 unkomplizierte Divertikel stehen 33 komplizierten Divertikeln gegenüber. Die Resektion von allen unkomplizierten Divertikeln verlief störungsfrei, bei den komplizierten Divertikeln ereignete sich 1 Todesfall infolge einer Peritonitis nach Divertikel-Perforation. Die Erkennung und Abgrenzung des Divertikels gegenüber anderen abdominellen Krankheitsbildern, zumal der Appendicitis, ist präoperativ nur selten möglich, muß differentialdiagnostisch aber immer in Betracht gezogen werden. Wenn keine speziellen Kontraindikationen vorliegen, ist eine Fahndung und Abtragung des Meckelschen Divertikels stets gerechtfertigt.
    Notes: Summary A total of 155 cases of Meckel's diverticulum were analyzed: 122 were uncomplicated as opposed to 33 that were complicated. Resection of all uncomplicated diverticula had a course free of difficulty, while there was one death in the cases with complicated diverticula as a result of peritonitis after perforation of the diverticulum. The diagnosis and differentiation of diverticulum from other abdominal clinical pictures, as well as from appendicitis, is usually not possible preoperatively, although differential diagnosis must always be kept in mind. If there are no special contraindications, Meckel's diverticulum is searched for instead and then resected.
    Type of Medium: Electronic Resource
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