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  • Title: Symptoms, exercise capacity and exercise hemodynamics: interrelationships and their role in quantification of the valvular lesion.
    Author: Kraus F, Rudolph W.
    Journal: Herz; 1984 Aug; 9(4):187-99. PubMed ID: 6479829.
    Abstract:
    To compare the symptoms with the objectively-determined exercise capacity, the symptoms as well as the exercise capacity with the exercise hemodynamics and the symptoms, exercise capacity and exercise hemodynamics with the severity of the valvular lesion, in 154 patients with aortic regurgitation, mitral regurgitation, aortic stenosis or mitral stenosis, the symptoms were classified according to the New York Heart Association and the exercise capacity was determined by means of bicycle ergometry with simultaneous measurement of heart rate, blood pressure, pulmonary artery pressure, cardiac output and the left ventricular ejection fraction. Among the parameters studied, no relationships could be established; to a certain degree, the exercise hemodynamics correlated with the severity of the valvular lesion in that a markedly pathologic response was associated with the presence of a high-grade valvular lesion. Since the symptoms were not indicative of the exercise capacity, nor the symptoms or the exercise capacity of either the exercise hemodynamics, the exercise ejection fraction or the severity of the valvular lesion, the symptoms and the exercise capacity should be evaluated on the basis of the exercise hemodynamics before they are taken into consideration for meaningful decision-making processes such as establishment of the indication for surgery.
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