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Early Hemodynamic And Biochemical Changes In Overloaded Swine Ventricle.Early Hemodynamic And Biochemical Changes In Overloaded Swine Ventricle, Sandro Gelsomino, Fabiana Lucà, Chiara Nediani, Sandra Zecchi Orlandini, Daniele Bani, Antonio S Rubino, Attilio Renzulli, Roberto Lorusso, Andrea Consolo, Antonino Lo Cascio, Jos Maessen, Gian Franco Gensini
Early Hemodynamic And Biochemical Changes In Overloaded Swine Ventricle.Early Hemodynamic And Biochemical Changes In Overloaded Swine Ventricle, Sandro Gelsomino, Fabiana Lucà, Chiara Nediani, Sandra Zecchi Orlandini, Daniele Bani, Antonio S Rubino, Attilio Renzulli, Roberto Lorusso, Andrea Consolo, Antonino Lo Cascio, Jos Maessen, Gian Franco Gensini
The Texas Heart Institute Journal
The present study was undertaken to investigate, in an animal model, the relationship between sarcoplasmic reticulum Ca2+-ATPase (SERCA2a) activity, phospholamban phosphorylation, acylphosphatase activity, and hemodynamic changes that occur in the early phase of pressure overload. In 54 study-group pigs, weighing 40±5 kg each, an aortic stenosis was created with a band of umbilical tape tied around the aorta; 18 sham-operated pigs formed our control group. Eight animals (6 study and 2 control) were randomly assigned to each experimental time (0.5, 3, 6, 12, 24, 48, 72, 96, and 168 hr). All indices of left ventricular function declined significantly, with a …