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[Regional wall motion of the left ventricle in congestive cardiomyopathy: in comparison with progressive muscular dystrophy of Duchenne type (author's transl)].

The features of regional wall motion abnormalities of the left ventricle were analysed in 11 patients of congestive cardiomyopathy (CCM) in comparison with 22 patients of progressive muscular dystrophy (DMD) of Duchenne type who showed an abnormal motion of the left ventricle by echocardiography. Real time two-dimensional echocardiographic study demonstrated the following results: I) In CCM, (1) only 2 or less of 11 cases preserved a normal motion in each left ventricular segment, and the depression of wall motion of the left ventricle were thought to be generalized; (2) there were 9 cases with segmental wall motion abnormalities and 3 of them demonstrated ventricular aneurysms, and (3) the localizations of the segmental abnormalities varied in each case, and there was no apparent accumulation to any segments. II) In DMD, (1) all the cases showed depressed motions and 8 of them demonstrated a ventricular aneurysm in the posterior wall of the left ventricle (LVPW), (2) while, there was no case showing ventricular aneurysm in the segments other than LVPW, and about one third of all cases showed normal motion in those segments. From these results, we concluded as follows: 1) Although the depression of a wall motion of the left ventricle was generalized in CCM, this was not always uniform and the segmental abnormalities of a wall motion were frequently observed. The localization of the most severely disturbed segment varied in each case. 2) On the other hand, in DMD, the wall motion was disturbed more frequently and more severely in LVPW than in other ventricular segments.