Table 1.
Baseline characteristics
| Patients (n=111) | |
|---|---|
| Age, years | 70 [60–80] |
| Female sex, no. (%) | 36 (32) |
| BMI, kg/m2 | 26.9 [24.2–30.6] |
| CV risk factors, no. (%) | |
| Diabetes | 28 (25) |
| Hypertension | 83 (75) |
| Hyperlipidemia | 55 (50) |
| Current smoker | 18 (16) |
| Medical history, no. (%) | |
| MI | 20 (18) |
| PCI | 19 (17) |
| CVA | 2 (2) |
| PAD | 8 (7) |
| Chronic kidney disease* | 11 (10) |
| Clinical presentation, no. (%) | |
| NSTEACS | 46 (41) |
| CCS | 65 (59) |
| Angiographic disease severity | |
| Multivessel disease, no. (%) | 18 (16) |
| SYNTAX score, point | 14 [9–20] |
| Vessels (n=120) | |
| Location, no. (%) | |
| LAD | 70 (58) |
| LCx | 24 (20) |
| RCA | 26 (22) |
| Pre-PCI QCA and QFR analyses | |
| RVD, mm | 2.8 [2.5–3.4] |
| Diameter stenosis, % | 60 [55–75] |
| Lesion length, mm | 20 [13–25] |
| QFR, units | 0.74 [0.70–0.77] |
| Procedural data | |
| Number of stents, no. | 1 [1–2] |
| Diameter of stents, mm | 3 [3–3.5] |
| Total length of stents, mm | 25 [18–34] |
| Post-dilatation, no. (%) | 103 (86) |
| Post-PCI QCA and QFR analyses | |
| RVD, mm | 2.8 [2.5–3.4] |
| Diameter stenosis, % | 10 [8–18] |
| QFR, units | 0.95 [0.91–0.99] |
| QFR value ≤0.89, no. (%) | 22 (18) |
*Defined as creatinine ≥2 mg/dl
BMI body mass index, CV cardiovascular, MI myocardial infarction, PCI percutaneous coronary intervention, CVA cerebrovascular accident, PAD peripheral artery disease, NSTEACS non-ST-segment elevation acute coronary syndrome, CCS chronic coronary syndrome, SYNTAX Synergy Between PCI With Taxus and Cardiac Surgery, LAD left anterior descending, LCx left circumflex, RCA right coronary artery, QCA quantitative coronary analysis, QFR quantitative flow ratio, RVD reference vessel diameter