The postoperative stress reaction, as a physiological disturbance, includes some consecutive processes, accompanied by hypercatecholaminemia, intensive peroxide lipoid oxidation and exhaustion of antioxidant system. It leads to the destruction of cells and causes the polyorganic insufficiency. We have examined 88 patients after stomach resection with initial myocardial hypertrophy and arterial hypertension.
Stress postoperative myocardial adaptation in these patients had a more severe course in the presence of accompanied arterial hypertension. It consisted in considerable disturbance of heart relaxation.