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Peculiarities of changes in the cardiac function in elderly coronary heart disease patients

Wang Hao;Chuan Ling(The General Navy Hospital , Beijing 100037)  
ECG-gated radionuclide cardiac blood pool images were studied in 27 elderly coronary heart disease(CHD) patients. Younger CHD patients and elderly and younger healthy subjects were set as the controls. Results showed that the left ventricular peak filling rate(PFR), the left ventricular ejection fraction (LVEF) and the left ventricular peak ejection rate(PER) were significantly lower and the phase angle significantly greater in the elderly patients than in the elderly healthy controls (P0. 01 ). The PFR was lower (P0. 05) and the abnormal rates of the phase angle and PFR greater (P0. 01) in the elderly than in the younger patients; abnormal PFR was found in 95. 7% in elderly patients ,while only 57. 9% in the younger (P0. 01). It was found that age was correlated with PFR,LVEF , PER and phase angle (r = - 0. 48 ,-0. 34, -0. 36 and 0. 42, respectively) (P 0. 01 ). Results suggested that abnormalities in the left ventricular diastolic function are more common and more conspicuous in the elderly CHD patients, which may be attributable to age factor and asynchronous ventricular contractions .
【CateGory Index】: R541.402
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