Histological features of coronary atherosclerotic plaques in 48 patients undergoing directional coronary atherectomy for treatment of symptomatic ischaemic heart disease
| Unstable angina | ||||
|---|---|---|---|---|
| Stable angina (n = 23) | Braunwald IIB (n = 11) | Braunwald IIIB (n = 14) | ||
| Thrombus | 5 (22%) | 3 (27%) | 9 (64%) | |
| Cholesterol | 4 (17%) | 3 (27%) | 6 (43%) | |
| AP pattern | 7 (30%) | 11 (100%) | 9 (64%) | |
AP, accelerated progression.