Laser Vaporization of Intracoronary Thrombus and Identifying Plaque Morphology in ST-Segment Elevation Myocardial Infarction as Assessed by Optical Coherence Tomography

Table 3

Results of optical coherence tomography results.

Variable	Value
Thrombus volume (mm^3)
After manual thrombectomy	62.8 (41.4–85.4)
After ELCA	46.2 (28.3–62.3)
After ballooning	13.3 (4.0–27.7)
Luminal volume (mm^3)
After manual thrombectomy	70.0 (51.8–86.7)
After ELCA	87.7 (66.9–106.3)
After ballooning	121.2 (93.3–152.9)
Mean reference vessel area (mm^3/mm)
After manual thrombectomy	5.4 ± 2.0
After ELCA	6.0 ± 2.0
After ballooning	7.3 ± 2.5
Minimal lumen area (mm^2)
After manual thrombectomy	1.4 ± 0.7
After ELCA	2.4 ± 0.9
After ballooning	5.6 ± 2.0
Culprit lesion morphology
Ruptured plaque	58 (63.0%)
Erosion	23 (25.0%)
Calcified nodule	7 (7.6%)
Unidentified	4 (4.3%)
Predominant type of thrombus
Red thrombus	60 (65.2%)
White thrombus	18 (19.6%)
Mixed thrombus	14 (15.2%)

Data are presented as median (interquartile range), mean ± SD, or n (%). ELCA = excimer laser coronary angioplasty.