Table 2.
Pathological features and surgical effect of the two groups.
| Slender 7 Fr sheath group (n = 154) | 6 Fr sheath group (n = 123) | P value | |
|---|---|---|---|
| SYNTAX score | 28.66 ± 5.35 | 26.20 ± 4.81 | <0.001 |
| Medina classification (n, %) | |||
| 1,1,1 (%) | 73 (47.4) | 34 (27.6) | 0.001 |
| 0,1,1 (%) | 13 (8.4) | 16 (13) | 0.217 |
| 1,0,1 (%) | 36 (23.4) | 29 (23.6) | 0.969 |
| 1,1,0 (%) | 32 (20.8) | 44 (35.8) | 0.005 |
| LM bifurcation (n, %) | |||
| LM without other vessel disease | 16 (10.4) | 29 (23.6) | 0.003 |
| LM with single-vessel disease | 32 (20.8) | 30 (24.4) | 0.474 |
| LM with multiple-vessel disease | 106 (68.8) | 64 (52) | 0.004 |
| Maximal used catheter size (n, %) | |||
| 6 | 15 (9.7) | 123 (100) | <0.001 |
| 7 | 139 (90.3) | 0 (0) | <0.001 |
| Number of catheters used (n, %) | |||
| 1 | 146 (94.8) | 111 (90.2) | 0.145 |
| 2 | 8 (5.2) | 12 (9.8) | 0.145 |
| ≥3 | 0 (0) | 0 (0) | – |
| LM stent techniques (n, %) | |||
| One-stent | 70 (45.5) | 56 (45.5) | 0.990 |
| One-stent with final kissing | 43 (27.9) | 34 (27.6) | 0.959 |
| One-stent without final kissing | 27 (17.5) | 22 (17.9) | 0.939 |
| Two-stent | 84 (54.5) | 67 (54.5) | 0.990 |
| Main vessel stent diameter(mm) | 3.55 ± 0.37 | 3.07 ± 0.29 | <0.01 |
| Side branch stent diameter (mm) | 3.13 ± 0.43 | 2.63 ± 0.22 | <0.01 |
| Total kissing balloon diameter (mm) | 6.66 ± 0.64 | 5.81 ± 0.44 | <0.01 |
| Final kissing balloon (n, %) | 115 (74.7) | 101 (82.1) | 0.138 |
| Crush technique (including DK crush, step crush) (n, %) | 57 (37) | 32 (26) | 0.051 |
| Classical crush technique (n, %) | 38 (66.7) | 0 (0) | <0.001 |
| Cullote technique (n, %) | 17 (11) | 22 (17.9) | 0.104 |
| T typing (n, %) | 7 (4.5) | 13 (10.6) | 0.054 |
| SKS (n, %) | 3 (1.9) | 0 (0) | 0.257 |
| POT technique (n, %) | 93 (60.4) | 52 (42.3) | 0.003 |
| IVUS (n, %) | 23 (14.9) | 20 (16.3) | 0.762 |
| IABP (n, %) | 3 (1.9) | 1 (0.8) | 0.632 |
| Operation time (minutes) | 68.18 ± 33.66 | 77.55 ± 26.45 | 0.010 |
| Contrast volume (mL) | 179.68 ± 58.54 | 175.04 ± 59.66 | 0.516 |
| Total radiation dose (mGy) | 3344.93 ± 1942.43 | 3409.09 ± 972.00 | 0.721 |
Values are mean ± standard deviation or n (%).
SYNTAX, Synergy between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery; LM, left main; DK, double kissing; SKS, simultaneous kissing stenting; POT, proximal optimization technique; IVUS, intravascular ultrasound; IABP, intra-aortic balloon pump.