Laser Vaporization of Intracoronary Thrombus and Identifying Plaque Morphology in ST-Segment Elevation Myocardial Infarction as Assessed by Optical Coherence Tomography
Table 2
Lesion and procedural characteristics.
Variable
Value
Culprit lesion location
LAD
41 (44.6%)
LCx
11 (12.0%)
RCA
40 (43.5%)
Angiographic parameters
Reference diameter (mm)
2.98 ± 0.51
Lesion length (mm)
19.0 ± 4.0
Minimal lumen diameter (mm)
0.15 ± 0.26
Diameter stenosis (%)
94.6 ± 9.1
Initial TIMI flow grade
TIMI 0
64 (69.6%)
TIMI 1
23 (25.0%)
TIMI 2
5 (5.4%)
Access site and the size of guide catheter
Transradial (6 Fr)
84 (91.3%)
Transfemoral (6 Fr/8 Fr)
7/1 (7.6%/1.1%)
Laser catheter used
1.4 c
15 (16.3%)
1.7 c
74 (80.4%)
1.7 e
2 (2.2%)
2.0 c
1 (1.1%)
Maximum energy fluency (J)
56.9 ± 6.2
Maximum repetition rate (Hz)
27.7 ± 5.7
Laser pulses delivered
2,338 ± 1,380
Final device
DCB
87 (94.6%)
Size of DCB (mm)
3.28 ± 0.46
Total length of DCB (mm)
28.8 ± 12.0
DES
5 (5.4%)
Size of DES (mm)
3.35 ± 0.22
Total length of DES (mm)
34.8 ± 12.1
DCB = drug-coated balloon; DES = drug-eluting stent; LAD = left anterior descending artery; LCx = left circumferential artery; RCA = right coronary artery; TIMI = thrombolysis in myocardial infarction.
