CORONARY RESERVE AND LEFT VENTRICLE DIASTOLIC FUNCTION AS EVALUATED BY TRANSESOPHAGEAL CARDIAC PACING IN PATIENTS FOLLOWING MYOCARDIAL INFARCTION
Abstract
Evaluation to determine the relationship between coronary reserve and myocardium diastolic function was performed in 58 patients surviving a Q-wave myocardial infarction an average of 2. 4 months ago. All patients underwent a hyperventilation test and transesophageal cardiac pacing (TECP) with simultaneous registration chest reogram, determination of left ventricle end diastolic pressure (EDP) and evaluation of diastole duration. On TECP 2 variants of ST depression changes have been detected: wave-like and progressively deepening. Temporary decrease of ST depression was associated with prolonged diastole and decreased EDP / IN the second case shortened diastole was revealed along with EDP increased more than twofold. Therefore heterogeneity of patients following MI has been shown, with vaspospastic reactions possible to reproduce in a part of those patients, associated with altered IV diastolic filling and a phenomenon of intermittent myocardium ischemia.
About the Authors
A. P. Ivanov
Тверской кардиологический диспансер
Russian Federation
Russian Federation
I. A. Elhardt
Тверской кардиологический диспансер
Russian Federation
Russian Federation
N. S. Sdobnyakova
Тверской кардиологический диспансер
Russian Federation
Russian Federation
V. G. Patrikeyev
Тверской кардиологический диспансер
Russian Federation
Russian Federation
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Review
For citations:
Ivanov A.P., Elhardt I.A., Sdobnyakova N.S., Patrikeyev V.G. CORONARY RESERVE AND LEFT VENTRICLE DIASTOLIC FUNCTION AS EVALUATED BY TRANSESOPHAGEAL CARDIAC PACING IN PATIENTS FOLLOWING MYOCARDIAL INFARCTION. Russian Journal of Cardiology. 2003;(5):34-38. (In Russ.)
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