Table 2.
Differences between characteristics of the patients according to the one- or two-stent technique.
| Variable | Patients with One-Stent Technique (n = 163) | Patients with Two-Stent Technique (n = 38) | p Value |
|---|---|---|---|
| Age, years (mean ± SD) | 66.8 ± 9.9 | 65.3 ± 10.1 | 0.41 |
| Male gender (n,%) | 115 (71) | 27 (75) | 0.63 |
| Risk factors | |||
| Arterial hypertension (n,%) | 147 (90.7) | 36 (100) | 0.06 |
| Obesity (n,%) | 47 (29) | 10 (27.8) | 0.87 |
| Smoking (n,%) | 21 (13) | 7 (19.4) | 0.33 |
| Dyslipidemia (n,%) | 137 (84.6) | 33 (91.7) | 0.30 |
| Diabetes (n,%) | 60 (37) | 14 (38.9) | 0.85 |
| Preprocedural characteristics | |||
| LM area IVUS/OCT, mm2 (mean ± SD) | 3.81 ± 1.36 | 4.17 ± 0.94 | 0.16 |
| QCA—LM (mean ± SD) | 83.3 ± 10.7 | 80.4 ± 11 | 0.17 |
| LVEF before PCI (mean ± SD) | 49.4 ± 7.7 | 47.6 ± 9.14 | 0.22 |
| Intraprocedural characteristics | |||
| Number of patients with intermediate SYNTAX score (n,%) | 46 (28.4) | 25 (69.4) | <0.0001 |
| Number of patients with kissing-balloon inflation technique (n,%) | 49 (30) | 25 (69.4) | <0.0001 |
| Number of patients with POT (n,%) | 147 (90.7) | 30 (83.3) | 0.19 |
| FFR in the SB | 39 (23.9) | 12 (31.5) | 0.44 |
| FFR-side branch (mean ± SD) (median [average rank]) | 0.9 [73.9] | 0.89 [62.8] | 0.23 |
| Number of patients with FFR >0.8 (n,%) | 111 (68.5) | 24 (66.6) | 0.83 |
| SESBL, mm (median [IQR]) | 2.5 [77.3] | 2.55 [7.4] | 0.91 |
| Number of patients with SESBL >2 (n,%) | 91 (56.2) | 17 (47.2) | 0.33 |
| Intraprocedural complications (%) | 14 (8.6) | 5 (13.9) | 0.79 |
| Postprocedural characteristics | |||
| Necessity of inotropic/vasopressor medication during hospitalization (n,%) | 4 (2.4) | 1 (2.7) | 0.91 |
| Necessity of IABP (n,%) | 0 (0) | 0 (0) | 0 |
| Number of days of admission (mean ± SD) | 3.4 ± 3 | 4.2 ± 4 | 0.22 |
| LVEF after PCI (mean ± SD) | 49.8 ± 8.14 | 48.6 ± 16.3 | 0.55 |
FFR, fractional flow reserve; IABP, intra-aortic balloon pump therapy; IVUS, intravascular ultrasound; LM, left main; LVEF, left ventricular ejection fraction; NSTEMI, non-ST elevation myocardial infarction; OCT, optical coherence tomography; PCI, percutaneous coronary intervention; POT, proximal optimization technique; STEMI, ST-elevation myocardial infarction.