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European Heart Journal 1984 5(7):533-544;
Copyright © 1984 by the European Society of Cardiology.
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© 1984 The European Society of Cardiology

Comparative study of echo-and angiocardiographically determined regional left ventricular wall motion in recent myocardial infarction

K. LINDVALL, A. HAMSTEN, C. LANDOU*, A. SZAMOSI* and U. DE FAIRE

Department of Medicine, Division of Cardiology, Danderyd Hospital
*Department of Thoracic Radiology, Karolinska Hospital Stockholm, Sweden

Received 6 April 1983; revised 3 January 1984; .

Correspondence to Kaj Lindvall, Department of Medicine, Danderyd Hospital, S-182 88 Danderyd, Sweden.

Abstract

We have studied regional left ventricular (LV) wall motion with M-mode, cross-sectional (2D) echocardiography and LV angiography in 50 patients with a recent myocardial infarction. Regional LV wall motion was evaluated according to a 9-segment model. 2D echocardiography permitted information from all, M-mode echocardiography from 8 and angiocardiography from 6 segments. Wall motion was visually classified according to a 5-grade scale. Systolic mean wall velocity (V mean) and its deviation from normal values was calculated from M-mode registrations.

2D echo- and angiocardiography were evaluated in 35 patients and M-mode echo- and angiocardiography in 37. Total agreement in segmental wall motion was seen in 61% when comparing 2D echo- with angiocardiography, and a further 35% showed 1-grade and 4% a 2-grade difference. Corresponding values for comparisons between M-mode echo- and angiocardiography were 59%, 32% and 9%, respectively.

Discrepant wall motion grading from the 2D echo- and angiocardiography comparison was seen in 94 of 243 (38%) segments. Approximately one quarter of the discrepancies were either due to minor differences in evaluation or due to wall motion scoring.

Discrepancies were seen in 83 of 202 (41%) segments when M-mode echo- and angiocardiography were compared. In 42 (21%) these were attributed to obvious M-mode errors and in 8(4%) to left ventricular angiography. In 20 further segments, nonidentical subsegmental evaluations were the probable cause of discrepancies, and in 8 (10%) ischaemia during the angiocardiography. Five segmental discrepancies remained unexplained.

Key Words: Echocardiography • angiocardiography • regional wall motion • myocardial infarction


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