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  • Title: [Hemodynamic evaluation of cardiac insufficiency in the acute stage of myocardial infarct].
    Author: Bachour G, Bender F, Hochrein H.
    Journal: Z Kardiol; 1975 Sep; 64(9):841-50. PubMed ID: 1221662.
    Abstract:
    In 70 patients hemodynamic controls were preformed during the first 4 days after acute myocardial infarction. A sufficient regulation of heart function and the circulation at rest was accepted with the following conditions: pulmonary artery wedge pressure less than or equal to 13mm Hg, mean right atrial pressure less than or equal to 6 mm Hg, mean systemic arterial pressure greater than 70 mm Hg, cardiac index greater than 2.51/min/m2 and stroke index greater than 25 ml/m2. In 88% of the patients with acute myocardial infarction a cardiac failure was present at rest. The pressures in the right atrium and left atrium (from wedge pressures) were elevated and cardiac output was reduced. The ratio of stroke work index/mean pulmonary artery wedge pressure allowed a more precise differentiation between a compensated and failing heart (X +/- S = 3.6 +/- 0.7 resp. 1.7 +/- 0.6 g m/m2 mm Hg). In the average, a significant improvement of the hemodynamic alterations, due or not due to therapy, occurred only at the 3rd day or later. In the individual case, this improvement points to a favorable prognosis.
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