Table 2

Procedural and Angiographic Characteristics of the Study Population

VariablesDistal LMCA Disease (n = 94)Nondistal LMCA Disease (n = 36)p Value
Pure LMCA disease (%)0190.0002
LMCA plus 1-vessel disease (%)12250.12
LMCA plus 2-vessel disease (%)20220.82
LMCA plus 3-vessel disease (%)54330.22
Bifurcation lesion classification (%)
 Isolate distal LMCA stenosis11
 Distal LMCA plus ostial LAD or CFX40
 Distal LMCA plus both LAD/CFX ostia49
Right coronary artery >70% stenosis (%)69640.21
Right coronary artery occlusion (%)17220.63
Number of implanted stents1.65 ± 0.651.22 ± 0.420.0003
Main branch/bifurcation stenting (%)51/4989/110.005
 Culotte/T-stent/Crush/V-stent (%)37/33/17/1350/25/25/00.29
Nominal stent diameter (mm)3.19 ± 0.283.26 ± 0.370.22
Total stent length per patient (mm)29 ± 1318 ± 13<0.0001
SES/PES (%)37/6342/580.63
Pre-dilation (%)7370>0.99
Cutting balloon (%)3140.05
Rotational atherectomy (%)050.08
Post-dilation (%)79750.88
Bigger balloon inflated (mm)3.66 ± 0.463.87 ± 0.470.025
Maximal pressure (atm)18 ± 317.8 ± 30.67
Intravascular ultrasonography (%)20470.045
Glycoprotein IIb/IIIa inhibitors (%)34360.85
Intra-aortic balloon pump (%)2018>0.99
Left ventricle assist device (%)260.32
Temporary pacing during procedure (%)79>0.99

CFX = circumflex artery; LAD = left anterior descending artery; PES = paclitaxel-eluting stent; SES = sirolimus-eluting stent; other abbreviations as in Table 1.

  • Referred to the total number of patients treated with bifurcation stenting.