Aim:To identify the determinants of postoperative regression of left ventricular dimension and late outcome after aortic valve replacement(AVR).Clincal material and method:129 consecutive patients undergoing isolated AVR between December 1978 and December 1996 were studied.The mean postoperative follow up interval was 4.4 years,with a total follow up of 501 patient·years.Results:Early mortality rate was 3.9%.Before AVR,left ventricular end diastolic dimension(LVEED)and left ventricular end systolic dime...