Clinical Study
Evaluation of Left Main Coronary Artery Using Optical Frequency Domain Imaging and Its Pitfalls
Table 1
Baseline clinical and angiographic characteristics of the study population.
| | All (n = 42) |
| | Baseline characteristics | | | Age (years) | 55.6 ± 16 | | Men | 26 (61.9%) | | Body mass index (kg/m2) | 25.9 ± 4.7 | | Systemic hypertension | 15 (35.2%) | | Hyperlipidemia | 15 (35.2%) | | Active smoker | 25 (59.5%) | | Diabetes mellitus | 4 (9.5%) | | History of | | | Myocardial infarction | 4 (9.5%) | | CABG | 0 (0%) | | PCI | 5 (11.9%) | | Baseline eGFR <60 ml/min | 3 (7.1%) | | Left ventricular ejection fraction (%) | 53.1 ± 10.5 |
| | Clinical presentation | | | Stable angina | 4 (9.5%) | | Non-ST-elevation myocardial infarction | 10 (23.8%) | | ST-elevation myocardial infarction | 28 (66.7%) |
| | Angiographic characteristics | | | Guiding catheter | | | Extra backup | 38 (90.5%) | | Judkins left guiding catheter | 4 (9.5%) | | Single-vessel disease | 26 (61.9%) | | Two-vessel disease | 9 (21.4%) | | Three-vessel disease | 7 (16.7%) | | LM length (mm) | 12 ± 4.38 | | LM reference diameter (mm) | 4.1 ± 0.56 | | Proximal LAD reference diameter (mm) | 3.1 ± 0.34 | | Proximal LCX reference diameter (mm) | 2.8 ± 0.38 | | Angiographic signs of LM atherosclerosis | 20 (48.8%) | | LM stenosis (%) [range] | 25 ± 16 [5–70] |
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CABG = coronary artery bypass graft; eGFR = estimated glomerular filtration rate; LAD = left anterior descending artery; LCX = left circumflex artery; LM = left main; PCI = percutaneous coronary intervention.
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