these data suggest that myocardial norepinephrine depletion determined from right ventricular endomyocardial biopsies strongly correlates with left ventricular dysfunction in idiopathic dilated cardiomyopathy , and seems to be independent of the degree of muscle fibre hypertrophy , volume fraction of interstitium , and of the increased sympathetic tone .
C0027061
myocardial
C0189785
endomyocardial biopsies