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  • Title: [Cardiohemodynamic variants in the development of coronary insufficiency in patients with exercise-induced angina pectoris].
    Author: Gaevskiĭ IuG, Mamontova MP, Shelekhova LI.
    Journal: Ter Arkh; 1984; 56(12):19-22. PubMed ID: 6523406.
    Abstract:
    Oxygen requirement and supply (RS) of the myocardium were studied in 232 patients with coronary heart disease during an angina pectoris (AP) attack provoked by bicycle ergometry. It was discovered that an attack of stable AP occurs approximately at the same level of the RS tension in all the functional classes of AP. This level correlates with the RS tension in normal subjects exposed to submaximal exercise. The lower the functional class of AP the less or even negligible are the levels at which the RS tension is high. The following varieties of cardiohemodynamic (CHD) disturbances leading to inadequacy were revealed: tachycarditic, hypertensive, hypodiastolic. The adequate type of the CHD response was often observed in unstable angina pectoris. In stable AP, the deterioration was accompanied by inadequacy augmentation, whereas in the adequate type, the improvement or remission led to the appearance of an AP attack at the height of the RS tension. It is assumed that the adequate type of the CHD response is linked somehow with the diffuse spastic reaction of heart vessels.
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