Table 2.
Angiographic and procedural characteristics of the study participants undergoing percutaneous coronary intervention in relation to the treatment with mild therapeutic hypothermia
|
Variable |
Patients undergoing MTH procedure |
Control group |
p |
|---|---|---|---|
| (n = 24) | (n = 27) | ||
| Coronary artery treated with PCI |
|
|
ns |
| LM |
0 |
2 |
|
| LAD |
16 |
19 |
|
| Cx |
8 |
8 |
|
| AL |
0 |
1 |
|
| RCA |
8 |
12 |
|
| Number of coronary arteries treated with PCI |
|
|
ns |
| single-vessel PCI |
17 |
18 |
|
| dual-vessel PCI |
6 |
9 |
|
| triple-vessel PCI |
1 |
2 |
|
| Number of lesions treated with PCI |
|
|
ns |
| single-lesion PCI |
13 |
14 |
|
| dual-lesion PCI |
9 |
12 |
|
| triple-lesion PCI |
2 |
1 |
|
| Type of lesion treated with PCI according to the ACC/AHA classification |
|
|
ns |
| B1 |
11 |
7 |
|
| B2 |
11 |
9 |
|
| C |
15 |
25 |
|
| Baseline flow in the culprit artery |
|
|
ns |
| TIMI 0 or 1 |
15 |
20 |
|
| TIMI 2 |
1 |
1 |
|
| TIMI 3 |
8 |
7 |
|
| Final flow in the culprit artery |
|
|
ns |
| TIMI 0 |
0 |
1 |
|
| TIMI 3 |
24 |
26 |
|
| Number of stents implanted for patient |
|
|
ns |
| 0 |
0 |
2 # |
|
| 1 |
10 |
12 |
|
| 2 |
8 |
8 |
|
| 3 or more |
5 |
5 |
|
| Type of implanted stent |
|
|
ns |
| bare metal stent |
42 |
48 |
|
| drug-eluting stent |
1 |
0 |
|
| Total length of implanted stents per patient [mm] |
33 (15–44) |
33 (16–50) |
ns |
| Diameter of implanted stent [mm] |
3.3 (2.8-3.5) |
3.0 (2.8-3.4) |
ns |
| Therapy with abciximab |
5 (20.8%) |
5 (18.5%) |
ns |
| Application of thrombectomy |
6/24 |
3/27 |
ns |
| Door-to-balloon time * [minutes] |
40.5 (31.5-68.5) |
70.0 (32.0-81.0) |
ns |
| Direct effect of PCI in the culprit lesion |
|
|
ns |
| optimal |
23 |
25 |
|
| suboptimal |
1 |
1 |
|
| ineffective | 0 | 1 |
# One patient underwent exclusively plain old balloon angioblasty while another one had an unsuccessful attempt of PCI. * In case of multi-vessel PCI door-to-balloon time refers to the culprit lesion. ACC American College of Cardiology; AL Intermediate artery; AHA American Heart Association; Cx Circumflex artery; LAD Left anterior descending artery; LM Left main coronary artery; MTH Mild therapeutic hypothermia; PCI Percutaneous coronary intervention; RCA Right coronary artery.