SYSTOLIC AND PULSE PRESSURE IN AORTA IN COMBINED CARDIORESPIRATORY PATHOLOGY

The paper describes systolic and pulse pressures in aorta, their relationship with peripheral arterial tension and basic characteristics of aorta rigidity, which have been observed in 60 patients suffered from chronic obstructive lung disease coupled with chronic coronary heart disease. The result of treatment is 30 healthy patients. The authors have applied a method of noninvasive arteriography and evidenced an increase in aortal systolic and pulse pressure and decrease in compliance of great blood vessels during the 1st and 2nd stages of chronic obstructive lung disease. The findings substantiate a correlation between increase of central and peripheral arterial tension and basic characteristics of aorta rigidity. The 3^rd stage of chronic obstructive lung disease included "paradoxical" decrease in central and peripheral arterial and aortal pulse pressures. Among the more sensitive elastance indices of great blood vessels and myocardium are augmentation index, difference and affinity index of central and peripheral systolic pressure, relationship between indices of cardiac cycle area, and interval of left ventricle ejection period. The markers specified above may be used to evaluate the degree of cardiovascular risk in case of combined cardiorespiratory pathology.

central systolic pressure, aortal pulse pressure, chronic obstructive lung disease, chronic coronary heart disease

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