Abstract
Echocardiograms(ECHOs)of 43 patients with severe chronic congestive heart failure (CHF)were analyaed in order to correlate the prognosis of these patients with cardiac dimensions, left ventricular mass (LVM), and LV function. Of these 43 patients, 29 survived with 14patients having died three days to mine months following the ECHO study. ECHO parameters indicating the status of contractility were better among survivors. The individual parameters in the survivors and nonsurvivors were: shortening fraction of the LV(△FS), 16±7%vs 11±5%(p＜0.025);the E point-septal separation(EPSS), 22±6mm vs 27±9mm (p＜0.025);LV end-diastolic dimension (LVEDD), 62±9 mm vs 68±9 mm (p＜0.025). ECHO indices of wall thickness were greater in the survivors compared to the nonsurvivors, including posterior wall thickness in diastole (LVPWt)and ratio of posterior wall thickness to radius of the LV in diastole (RWT).Neither LV mass nor septal wall thickness (IVSt)differed significantly between the survivors and the nonsurvivors.Furthermore, long-term survival seems to be predicted by LVEDD or △FS, but not by other ECHO parameters including LVESD, IVST,RWT, LVPWt, LVM and EPSS. Thus, echocardiography may be useful in predicting the survival of patients with chronic CHF.
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