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[Left ventricular kinetics studied by the color kinesis method. Comparison of bidimensional echographic and angiographic data].

The object of this study was to assess the value of CK in the evaluation of left ventricular wall motion. Fifteen coronary patients aged 56 +/- 12 years were included: 8 patients were examined after acute myocardial infarction and 7 after unstable angina with a history of myocardial information. The left ventricle was divided into 7 segments after a modified Heger model, excluding the basal septal and basal lateral segments not seen on angiography. The left ventricular wall motion was assessed in two-dimensional echocardiography (2DE) and colour kinesis (CK) by two observers and compared with the results of left ventriculography, considered the reference method. Over all the 105 segments studied (7 segments for each of the 15 patients), CK was significantly better than 2DE (80% of segments correctly evaluated by CK vs 68% by 2DE, p < 0.05). Colour kinesis significantly improved the study of all segments except the interventricular septum (67% vs 60%, p = NS). The inter-observer variability in 2DE and CK evaluated over 135 segments (9 per patient) by the kappa was improved by colour kinesis (0.57 in 2DE, 0.7 in CK). The authors conclude that CK enables evaluation of left ventricular wall motion with greater precision and less inter-observer variability.