20 October 2021 : Clinical Research
Analysis of Characteristics of Patients with Non-ST-Segment Elevation Myocardial Infarction by Cardiac Magnetic Resonance Imaging
Shujuan Dong1ACE, Yunbo Liu2E, Wenjing Sun1BE, Chunqiu Wang3BD, Yan Wang3C, Wenbo Zhao1F, Shenghui Zhao1F, Yingjie Chu1G*DOI: 10.12659/MSM.933220
Med Sci Monit 2021; 27:e933220
Table 2 Comparison of coronary angiography in ST-segment elevation, normal ST segment, and ST-segment depression groups.
| Coronary angiography | ST-segment elevation group (n=120) | Normal ST segment group (n=52) | ST-segment depression group (n=76) | χ2 | P value | |
|---|---|---|---|---|---|---|
| IRA | LM | 2 (1.6) | 0 (0.0) | 0 (0.0) | 52.665 | 0.000 |
| LAD | 69 (57.5) | 12 (23.1) | 44 (57.9) | |||
| LCX | 14 (11.7) | 33 (63.5) | 11 (14.5) | |||
| RCA | 37 (30.8) | 7 (13.4) | 21 (27.6) | |||
| Location | Proximal | 56 (46.7) | 9 (17.3) | 40 (52.6) | 22.978 | 0.000 |
| Middle | 44 (36.7) | 33 (63.5) | 19 (25.0) | |||
| Distal | 20 (16.7) | 10 (19.2) | 17 (22.4) | |||
| Occlusive lesion | 96 (80.0) | 31 (60.0) | 25 (32.9) | 43.596 | 0.000 | |
| CAD lesion (≥70 stenosis) | 21.373 | 0.000 | ||||
| 1-vessel disease | 46 (38.3) | 23 (44.2) | 12 (15.8) | |||
| 2-vessel disease | 38 (31.7) | 13 (25.0) | 28 (36.7) | |||
| 3-vessel disease | 36 (30.0) | 16 (30.8) | 36 (47.4) | |||
| Values are given (%). IRA – infarct-related artery; LM – left main; LAD – left anterior descending; LCX – left circumflex; RCA – right coronary artery; CAD – coronary artery disease. | ||||||