We evaluated the effect of altered loading conditions on left ventricular (LV) diastolic pressurevolume relations during acute coronary artery occlusion that was produced by inflation of an intracoronary balloon. Open-chest anesthetized dogs (n=18) were instrumented so that LV pressure (micromanometer) and LV volume (conductance) could be measured without disturbing the pericardium. The effects...

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Defects in the dura matter can be caused by head injury, and many cases require neurosurgeons to use artificial matter. Bovine pericardium is an option due its abundant availability, adjustable size characteristics, because it has more collagen than porcine or equine pericardia. Nevertheless, drawback of bovine that a higher inflammatory effect other synthetic matters. Chitosan been shown have ...