Research Article

Malapposed Struts with Cre8, Biomatrix, and Xience Stents Assessed with OCT Immediately after Implantation and at 6-Month Follow-Up: Can the Different Biomechanical Characteristics of the Three Stents Impact on Struts Malapposition?

Table 1

Baseline clinical, angiographic, and PCI characteristics.

Cre8BiomatrixXience value

Patients (n)141112
Gender M/F, n (%)11/3 (78.6/21.4)7/4 (63.6/36.4)10/2 (83.3/16.7)0.519
Italian, n (%)14 (100)11 (100)11 (91.7)0.343
Age (years), mean ± SD66.6 ± 10.067.1 ± 11.157.9 ± 12.20.087
BMI (Kg/m2), mean ± SD26.9 ± 2.924.9 ± 1.628.2   3.00.036
Hypertension, n (%)12 (85.7)10 (90.9)11 (91.7)0.867
Diabetes, n (%)4 (28.6)3 (27.3)3 (25)0.979
Dyslipidemia, n (%)11 (78.6)9(81.8)9 (75)0.924
Ever smoker, n (%)11 (78.6)5 (45.5)7 (58.3)0.225
Familial history of CAD, n (%)4 (28.6)5 (45.5)2 (16.7)0.318
Previous CAD, n (%)4 (28.6)1 (9.1)1 (8.3)0.282
Previous PCI, n (%)2 (14.3)0 (0.0)0 (0.0)0.176
Previous CABG, n (%)0 (0.0)0 (0.0)0 (0.0)
Previous TIA/stroke, n (%)1 (7.1)0 (0.0)0 (0.0)0.430
Chronic kidney disease, n (%)1 (7.1)0 (0.0)0 (0.0)0.430
COPD, n (%)1 (7.1)2 (18.2)0 (0.0)0.276
Sinus rhythm, n (%)11 (100.0)9 (81.8)11 (91.7)0.255
Atrial fibrillation, n (%)0 (0.0)1 (9.1)0 (0.0)0.297
Pacemaker, n (%)0 (0.0)1 (9.1)1 (8.3)0.524
LVEF, mean ± SD (%)57 ± 6.459 ± 7.353 ± 8.90.164
Heart failure, n (%)0 (0.0)1 (9.1)1 (8.3)0.524
NYHA class0.598
 I°, n (%)13 (92.9)9 (81.8)10 (83.3)
 II°, n (%)0 (0.0)0 (0.0)1 (8.3)
 III°, n (%)1 (7.1)1 (9.1)1 (8.3)
 IV°, n (%)0 (0.0)1 (9.1)0 (0.0)
Stable angina, n (%)2 (14.3)3 (27.3)3 (25.0)0.693
Unstable angina, n (%)6 (42.9)5 (45.5)2 (16.7)0.262
Silent ischemia, n (%)1 (7.1)0 (0.0)2 (16.7)0.338
NSTEMI, n (%)3 (21.4)3 (27.3)3 (25.0)0.942
STEMI, other vessels, n (%)3 (21.4)0 (0.0)2 (16.7)0.276
Target lesion coronary artery
 Left anterior descending12 (85.7)9 (81.8)11 (91.7)0.784
 Left circumflex7 (50.0)4 (36.4)7 (58.3)0.570
 Right8 (57.1)6 (54.5)7 (58.3)0.983
 Left main0 (0.0)1 (9.1)0 (0.0)0.297

BMI: body mass index, CAD: coronary artery disease, PCI: percutaneous coronary intervention, CABG: coronary artery by-pass graft, TIA: transient ischemic attack, COPD: chronic obstructive pulmonary disease, LVEF: left ventricle ejection fraction.