Table 1

Angiographic and procedural features

BMS (n=18)MSG (n=19)p Value
Age69.43±9.9567.93±9.160.62
Male gender13 (72.2%)9 (47.4%)0.11
Smoking history5 (27.8%)4 (21.1%)0.46
Diabetes mellitus6 (29.4%)5 (26.3%)0.55
Prior PCI3 (16.7%)2 (10.5%)0.47
Target vessel diameter2.96±0.162.9±0.100.17
% diameter stenosis80.42±8.4182.24±10.180.54
Lesion length15.92±2.6215.83±1.730.90
Balloon diameter2.36±0.292.26±0.240.25
Balloon length15.2±2.6216.43±2.680.16
Balloon inflation pressure9.67±3.98.95±3.440.54
Use of 2.75 mm stents7 (36.8%)7 (33.3%)0.82
Use of 23 mm stents5 (26.3%)6 (28.6%)0.87
Moderate–severe tortuosity17 (94.4%)19 (100%)0.47
Moderate– severe calcification3 (10.5%)2 (9.5%)0.36
TIMI 1–2 flow11 (61.1%)14 (73.7%)0.32
  • Mean ± SD.

  • BMS, bare metal stent; MSG, microengineered stent grooves;TIMI, thrombolysis in myocardial infarction score.