Abstract
BACKGROUND: Liver vascular isolation is essential for the treatment of the retrohepatic vena cava and hepatic veins. Triple vessel occlusion (TVO - occlusion of the portal triad, the inferior vena cava above the renal veins and within the pericardium) is the easiest isolation method for the surgeon. Unfortunately, this technique cannot be applied to hypovolemic and/or shock (cardiac arrest) patients as it compromises venous return. OBJECTIVES: Our objective is to demonstrate that in the above mentioned patients, establishing a previous hypervolemic state allows the safe use of TVO. METHODS: The method includes efficient injury tamponade with aggressive fluid replacement until normal blood volume is reached (resuscitation). Normal blood volume is recognized by a return of arterial blood pressure to normal levels, inferior vena cava filling and an increase in aortic wall tension. Following this procedure, hypervolemia is obtained by the rapid additional infusion of 1.500 to 2.000 ml of fluids. TVO in this situation does not alter the heart rhythm and maintains a clear operative field which is essential for hepatotomy, venorrhaphy and or venous ligation. RESULTS: Three patients were successfully operated.
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