Detection of aneurysms with echo contrast enhancement: effect of location
| DSA | Power Doppler (unenhanced) | Power Doppler echocontrast enhanced (additional No detected) |
Power Doppler (total No detected) | |
| A comm | 28 | 13 (46) | 9 | 22 (79) |
| P comm | 15 | 2 (13) | 3 | 5 (33) |
| MCA | 22 | 7 (32) | 4 | 11 (50) |
| Basilar | 6 | 2 (33) | 2 | 4 (67) |
| ICA | 10 | 3 (30) | 2 | 5 (50) |
| Peri | 4 | 0 | 0 | 0 |
| PICA | 1 | 0 | 0 | 0 |
| Total | 86 | 27 (31) | 20 | 47 (55) |
Numbers in parentheses represent percentage of aneurysms seen by transcranial power Doppler. For abbreviations see table 1.