Author + information
- Received March 7, 1989
- Revision received October 4, 1989
- Accepted October 18, 1989
- Published online March 1, 1990.
- Thomas Broderick, MD,
- Stephen Sawada, MD∗,
- William F. Armstrong, MD, FACC,
- Thomas Ryan, MD,
- James C. Dillon, MD, FACC,
- Patrick D.V. Bourdillon, MD, FACC and
- Harvey Feigenbaum, MD, FACC
- ↵∗Address for reprints: Stephen Sawada, MD, University Hospital, N-562, 926 West Michigan Street. Indianapolis, Indiana 46223.
Exercise echocardiography was performed in 36 patients to evaluate functional improvement after coronary angioplasty. Thirty-one patients (86%) had provokable ischemia before angioplasty including 22 with an abnormal exercise electrocardiographic test (angina or ST depression), 25 with an abnormal exercise echocardiogram (exercise-induced wall motion abnormalities) and 16 with both tests abnormal. Nineteen patients had no induced ischemia after angioplasty. Seventeen (47%) continued to have ischemia that was limited in 12 to exercise-induced wall motion abnormalities, which were less severe compared with those of preangioplasty studies. Fifteen (65%) of 23 patients had improvement in rest wall motion abnormalities after angioplasty.
The rest to immediate postexercise change in global wall motion score was significantly improved after angioplasty. The change in regional wall motion score was significantly improved after angioplasty in patients with single vessel right or left circumflex coronary artery disease and approached significant improvement (p = 0.06) in those with single vessel disease of the left anterior descending coronary artery.
Exercise echocardiography improves the sensitivity of functional testing for ischemia, aids in localizing the ischemic zone and documents improvement in regional function after coronary angioplasty.
☆ This study was supported in part by the Herman C. Krannert Fund, Indianapolis; Grants HL06308 and HL-07182 from the National Heart, Lung, and Blood Institute, Bethesda, Maryland and the American Heart Association, Indiana Affiliate, Indianapolis.
- Received March 7, 1989.
- Revision received October 4, 1989.
- Accepted October 18, 1989.