Table 2 Subgroup analysis of PCI group
From: Treatment strategy for spontaneous coronary artery dissection based on anatomical characteristics
PCI treatment (n = 40) | High-risk (n = 26) | Low-risk (n = 14) | p value | |
|---|---|---|---|---|
Clinical data | ||||
Age | 56.68 ± 11.60 | 57.19 ± 11.74 | 55.71 ± 11.72 | 0.706 |
Gender | ||||
Female | 30 (75.0) | 19 (73.1) | 11 (78.6) | 0.702 |
Male | 10 (25.0) | 7 (26.9) | 3 (21.4) | |
Coronary risk factor | ||||
Hypertension | 19 (47.5) | 11 (42.3) | 8 (57.1) | 0.370 |
Hyperlipidemia | 10 (25.0) | 7 (6.9) | 3 (21.4) | 0.702 |
Diabetes mellitus | 13 (32.5) | 11 (42.3) | 2 (14.3) | 0.071 |
Smoking | 7 (17.5) | 5 (19.2) | 2 (14.3) | 0.695 |
Clinical presentation | ||||
NSTEMI | 2 (5.0) | 1 (3.8) | 1 (7.1) | 0.538 |
STEMI | 10 (25.0) | 6 (23.1) | 4 (28.6) | |
UA | 25 (62.5) | 18 (69.2) | 7 (50.0) | |
SA | 3 (7.5) | 1 (3.8) | 2 (14.3) | |
Laboratory data | ||||
cTnT (ng/ml) | 0.15 ± 0.50 | 0.03 ± 0.05 | 0.38 ± 0.80 | 0.031 |
CK-MB (U/L) | 15 ± 6.44 | 15.04 ± 3.96 | 16.31 ± 9.54 | 0.579 |
NT-proBNP (pg/ml) | 429.40 ± 630.90 | 314.58 ± 433.47 | 634.42 ± 863.69 | 0.131 |
D-dimer (mg/L) | 0.35 ± 0.33 | 0.32 ± 0.33 | 0.42 ± 0.34 | 0.447 |
EF (%) | 62.19 ± 7.23 | 62.16 ± 7.17 | 62.25 ± 7.68 | 0.972 |
Angiographic findings | ||||
Culprit vessel | ||||
LAD | 9 (22.5) | 7 (26.9) | 2 (14.3) | 0.364 |
LCX | 3 (7.5) | 1 (3.8) | 2 (14.3) | |
RCA | 26 (65.0) | 16 (61.5) | 10 (71.4) | |
LM | 2 (5.0) | 2 (7.7) | 0 (0) | |
Affected segment | ||||
Proximal | 24 (60.0) | / | / | / |
Middle | 9 (22.5) | / | / | / |
Distal | 5 (12.5) | / | / | / |
Saw classification | ||||
Type 1 | 24 (60.0) | 17 (65.4) | 7 (50.0) | 0.408 |
Type 2 | 15 (37.5) | 8 (30.8) | 7 (50.0) | |
Type 3 | 1 (2.5) | 1 (3.8) | 0 (0) | |
Coronary analysis | ||||
Stenosis (%) | 78.50 ± 20.60 | 77.77 ± 20.81 | 79.86 ± 20.89 | 0.764 |
Length (mm) | 38.50 ± 22.31 | 34.62 ± 21.16 | 45.71 ± 23.36 | 0.135 |
Initial TIMI flow | ||||
0 | 6 (15.0) | 3 (11.5) | 3 (21.4) | 0.539 |
1 | 4 (10.0) | 2 (7.7) | 2 (14.3) | |
2 | 2 (5.0) | 2 (7.7) | 0 (0) | |
3 | 28 (70.0) | 19 (73.1) | 9 (64.3) | |
Atherosclerosis | 18 (45.0) | 10 (38.5) | 8 (57.1) | 0.257 |
Thrombus | 4 (10.0) | 2 (7.7) | 2 (14.3) | 0.507 |
Treatment method | ||||
Number of stents | 1.89 ± 1.11 | 1.58 ± 1.02 | 2.55 ± 1.04 | 0.014 |
Follow-up | ||||
1 year MACE | 3 (7.5) | 3 (11.5) | 0 (0) | 0.186 |
UA | 2 (5) | 2 (7.7) | 0 (0) | |
Heart failure | 0 (0) | 0 (0) | 0 (0) | |
Cardiac death | 1 (2.5) | 1 (3.8) | 0 (0) | |