Research Article

Vascular Response after Directional Coronary Atherectomy for Left Main Bifurcation Lesion

Table 3

Quantitative coronary analysis results.

Before the procedure32 lesions

Minimum lumen diameter (mm)1.3 ± 0.4
Reference lumen diameter (mm)3.9 ± 1.1
% diameter stenosis63.3 ± 10.6
Lesion length (mm)18.5 ± 6.7

After the procedure
Minimum lumen diameter (mm)3.4 ± 0.9
Acute gain (mm)2.0 ± 1.0
Reference lumen diameter (mm)3.8 ± 1.1
% diameter stenosis12.2 ± 7.9

Follow-up
Minimum lumen diameter (mm)3.3 ± 1.1
Late lumen loss (mm)0.1 ± 0.5
% diameter stenosis15.4 ± 15.3