[Quantitative characteristic of the regulatory and adaptive status for the estimation of severity of chronic cardiac failure].
Copyright policy )[Quantitative characteristic of the regulatory and adaptive status for the estimation of severity of chronic cardiac failure].
A method for the estimation of severity of chronic cardiac failure (CCF) based on the quantitative evaluation of the regulatory and adaptive status (RAS) of the organism. Patients with FC I-III HCF concomitant with grade I-III hypertensive disease and/or coronary heart disease underwent cardiorespiratory synchronism test for the quantitative estimation of RAS (6 min walk), echocardiography, treadmill measuring maximum oxygen consumption (VO2max), measurement of plasma N-terminal precursor of brain natriuretic peptide. The lowering of RAS was especially pronounced when HCF FC changed from I to III, in agreement with results of traditional instrumental and laboratory tests. Specifically, left ventricle systolic and diastolic function was impaired, tolerance of physical exercise decreased while neurohumoral regulation was activated. There was positive correlation between RAS indices at HCF CF I and II for left ventricular ejection fraction, maximum physical load, VO2max and negative correlation for N-terminal precursor of brain natriuretic hormone. At HCF FC II and III, positive correlation was documented for left ventricular ejection fraction, maximum physical load, VO2max and negative correlation for the N-terminal precursor of brain natriuretic hormone. It means that the qualitative estimate of RAS obtained in the cardiorespiratory synchronism test can be used to assess severity of HCF in patients with hypertensive disease and/or coronary heart disease.
Heart Failure, Male, Coronary Disease, Middle Aged, Severity of Illness Index, Ventricular Dysfunction, Left, Oxygen Consumption, Dimensional Measurement Accuracy, Predictive Value of Tests, Chronic Disease, Heart Function Tests, Hypertension, Humans, Female, Atrial Natriuretic Factor
Heart Failure, Male, Coronary Disease, Middle Aged, Severity of Illness Index, Ventricular Dysfunction, Left, Oxygen Consumption, Dimensional Measurement Accuracy, Predictive Value of Tests, Chronic Disease, Heart Function Tests, Hypertension, Humans, Female, Atrial Natriuretic Factor
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