Table 2 The right coronary artery system bridg method
The right crown system bypass method | Frequency | Effective percentage | |
|---|---|---|---|
Group 1 | Non-sequential single bypassa | 178 | 67.9 |
Group 2 | Non-sequential double bypassb | 9 | 3.4 |
Group 3 | Posterior descending branch-posterior branch of left ventricle | 42 | 16.0 |
Group 4 | Sequential bypass with 2 gyro systems and 1 right crown system | 1 | 0.4 |
Group 5 | Sequential bypass with 1 gyro system and 1 right crown system | 20 | 7.6 |
Group 6 | Sequential bypass with one forward descend system and one right crown system | 2 | 0.8 |
Group 7 | Sequential bypass with 1 roundabout system and 2 right crown systems | 5 | 1.9 |
Group 8 | Sequential bypass with 1 forward descending system, 1 gyrating system and 1 right crown system | 2 | 0.8 |
Group 9 | Y-bypass at two target sites in the right crown system | 1 | 0.4 |
Group 10 | Right target system, two target sites, one other system sequential bypass and one non-sequential single branch bypass | 2 | 0.8 |
In total | 262 | 100.0 |