Table 2 Procedural data.
Characteristic | All | Up-front strategy | Bailout strategy | P-value |
|---|---|---|---|---|
Acute coronary syndrome (ACS) | 451 (98.3) | 202 (96.2) | 249 (100) | 0.002 |
Shock | 71 (15.5) | 44 (21.0) | 27 (10.8) | 0.003 |
Cardiac Arrest | 57 (12.4) | 24 (11.4) | 33 (13.3) | 0.555 |
Procedural anticoagulation | ||||
Unfractionated heparin (UFH) | 432 (94.1) | 203 (96.7) | 229 (92.0) | 0.001 |
Bivalirudin | 18 (3.9 | 1 (0.5) | 17 (6.8) | |
Other | 6 (1.3) | 5 (2.4) | 1 (0.4) | |
TIMI flow score pre-intervention – mean (interquartile) | 0 | 0 (0;1) | 0 (0;0) | |
0 | 333 (76.2) | 140 (71.8) | 193 (79.8) | 0.222 |
1 | 22 (5.0) | 10 (5.1) | 12 (5.0) | |
2 | 31 (7.1) | 17 (8.7) | 14 (5.8) | |
3 | 51 (11.7) | 28 (14.4) | 23 (9.5) | |
Femoral access | 61 (13.3) | 27 (12.9%) | 34 (13.7%) | 0.538 |
Use of bare metal stent (BMS) | 3 (0.7) | 1 (0.5) | 2 (0.8) | 0.665 |
Use of drug-eluting stent (DES) | 442 (96.3) | 201 (95.7) | 241 (96.8) | 0.544 |
Use of 2nd generation DES | 440 (99.3) | 199 (99.0) | 241 (99.6) | 0.198 |
Median number of lesions (Interquartile) | 1 (1;2) | 1 (1;2) | 1 (1;2) | |
Mean number of lesions | 1.66 ± 0.93 | 1.56 ± 0.85 | 1.74 ± 0.99 | 0.035 |
0 | 4 (0.9) | 2 (1.0) | 2 (0.8) | |
1 | 252 (54.9) | 124 (59.0) | 128 (51.4) | |
2 | 124 (27.0) | 57 (27.1) | 67 (26.9) | |
3 | 63 (13.7) | 20 (9.5) | 43 (17.3) | |
4 | 10 (2.2) | 5 (2.4) | 5 (2.0) | |
5 | 4 (0.9) | 2 (1.0) | 2 (0.8) | |
6 | 1 (0.2) | 0 | 1 (0.4) | |
7 | 1 (0.2) | 0 | 1 (0.4) | |
Median number of stents | 1 (1;2) | 1 (1;2) | 1 (1;2) | |
Mean number of Stents | 1.70 (1.01) | 1.7 ± 0.9 | 1.7 ± 1.1 | 0.986 |
0 | 15 (3.3) | 8 (3.8) | 7 (2.8) | |
1 | 222 (48.5) | 98 (46.7) | 124 (50.0) | |
2 | 143 (31.2) | 67 (31.9) | 76 (30.6) | |
3 | 52 (11.4) | 24 (11.4) | 28 (11.3) | |
4 | 21 (4.6) | 12 (5.7) | 9 (3.6) | |
5 | 2 (0.4) | 1 (0.5) | 1 (0.4) | |
6 | 0 | 0 | 0 | |
7 | 3 (0.7) | 0 | 3 (1.2) | |
Left main (LM) stent | 14 (3.1) | 8 (3.8) | 6 (2.4) | 0.385 |
Left anterior descending (LAD) stent | 223 (48.6) | 97 (46.2) | 126 (50.6) | 0.346 |
Circumflex (Cx) stent | 74 (16.1) | 31 (14.8) | 43 (17.3) | 0.467 |
Right coronary artery (RCA) stent | 179 (39.0) | 93 (44.3) | 86 (34.5) | 0.033 |
Coronary bypass stent | 8 (1.7) | 2 (1.0) | 6 (2.4) | 0.235 |
TIMI flow post procedure—median (interquartile) | 3 | 3 (3;3) | 3 (3;3) | |
0 | 8 (1.8) | 4 (2.1) | 4 (1.6) | |
1 | 1 (0.2) | 1 (0.5) | 0 | |
2 | 16 (3.6) | 5 (2.6) | 11 (4.4) | |
3 | 415 (94.3) | 182 (94.8) | 233 (94.0) | |
Timing from chest pain to access | 162.3 ± 191.3 | 108.7 ± 156.8 | 200.9 ± 204.4 | < 0.001 |
GpIIbIIIa bolus during procedure | 164 (35.7) | 125 (59.5) | 39 (15.7) | < 0.001 |
GpIIbIIIa perfusion during procedure | 140 (30.5) | 121 (57.6) | 19 (7.6) | < 0.001 |
Thrombo-aspiration | 256 (55.8) | 110 (52.4) | 146 (58.6) | 0.179 |
Use of adenosine or nipride | 44 (9.6) | 14 (6.7) | 30 (12.0) | 0.051 |
