Table 5

Accuracy of low dose dobutamine echocardiography (LDDE) and the effects of revascularisation in patients with a non-occluded left anterior descending coronary artery (LAD) (group 1), an occluded LAD and collaterals of class II–III (group 2A), and an occluded LAD and collaterals of class 0–I (group 2B)

Group 1 Group 2A Group 2B
LDDE sensitivity87%53%5-160 50%
LDDE specificity69%73%75%
LDDE accuracy77%65%5-150 60%
Regional WMSI
 Pre-1.97 (0.48)2.26 (0.33)1.81 (0.52)
 Post-1.74 (0.53)5-164 2.01 (0.30)5-164 1.59 (0.36)5-151
Regional WMSI change (%)12912

  • ↵5-150 p < 0.05;

  • ↵5-160 p < 0.0001 v group 1.

  • ↵5-151 p < 0.05;

  • ↵5-164 p < 0.01 v regional WMSI pre-revascularisation.

  • WMSI, wall motion score index.