Table 2

Procedural and follow up (one month) results

Number
Indications for stenting
 Elective (%)  52 (81)
 Restenosis (%)   5 (8)
 Suboptimal result (%)   5 (8)
 Threatened vessel closure (%)   2 (3)
Pre-stenting lesion treatment
 No predilatation before stenting (%)   3 (5)
 Balloon dilatation (%)  51 (79)
 Rotational atherectomy (%)   7 (11)
 Directional atherectomy (%)   2 (3)
 Pullback atherectomy (%)   1 (2)
Lesions successfully treated with the NIR stent (%)  63 (98)
Stent/lesion (mean (SD))1.56 (0.5)
Stent used
 NIR 9 mm (%)  27 (28)
 NIR 16 mm (%)  48 (50)
 NIR 32 mm (%)  18 (19)
 Palmaz-Schatz 154 14 mm (%)   2 (2)
 AVE 12 mm (%)   1 (1)
Nominal size final balloon (mm) (mean (SD)) 3.4 (0.4)
Balloon to vessel ratio (mean (SD))1.24 (0.21)
Vessel rupture after post-dilatation (%)   1 (2)
Maximum balloon pressure (Atm) (mean (%))16.7 (3.5)
IVUS attempted during procedure (%)  47 (75)
IVUS failure (%)   4 (8)
IVUS criteria met in the initial study (%)  19 (40)
IVUS criteria met after post-dilatation (%)  13 (28)
IVUS not repeated after post-dilatation (%)   5 (11)
IVUS still suboptimal, final study (%)   6 (13)
Patient treatment after stenting (%)
 Aspirin 100–300 mg   5 (12)
 Aspirin 100–300 mg + ticlopidine 500 mg  36 (88)
Hospital stay after stenting (days) (mean (SD)) 1.7 (0.2)
Bleeding/vascular complications (%)   1 (2)
Subacute closure at one month    0