Improved Outcomes of Combined Main Branch Stenting and Side Branch Drug-Coated Balloon versus Two-Stent Strategy in Patients with Left Main Bifurcation Lesions
Table 2
Procedural characteristics.
Characteristics
2-DES group (n = 50)
DES + DCB group (n = 50)
value
Medina type [case (%)]
1, 1, 1
41 (82.0)
44 (88.0)
0.774
1, 0, 1
1 (2.0)
1 (2.0)
0, 1, 1
8 (16.0)
5 (10.0)
Preoperative SYNTAX score (M (P25, P75))
30.00 (26.75, 33.00)
28.00 (26.00, 30.00)
0.064
Multivessel disease [case (%)]
Single vessel disease
0 (0.0)
0 (0.0)
0.806
Double vessel disease
11 (22.0)
10 (20.0)
Triple vessel disease
39 (78.0)
40 (80.0)
IABP [case (%)]
0 (0.0)
1 (2.0)
1.000
Temporary pacemaker [case (%)]
0 (0.0)
0 (0.0)
—
IVUS [case (%)]
14 (28.0)
14 (28.0)
1.000
OCT [case (%)]
0 (0.0)
0 (0.0)
—
FFR [case (%)]
0 (0.0)
0 (0.0)
—
MB predilated balloon type [case (%)]
Semicompliant balloon
24 (48.0)
12 (24.0)
0.019
Spinous balloon
16 (32.0)
17 (34.0)
Cutting balloon
10 (20.0)
21 (42.0)
SB predilated balloon type [case (%)]
Semicompliant balloon
36 (72.0)
34 (68.0)
0.139
Spinous balloon
11 (22.0)
7 (14.0)
Cutting balloon
3 (6.0)
9 (18.0)
Maximum inner diameter of MB (mm, M (P25, P75))
4.00 (3.50, 4.00)
3.50 (3.50, 4.00)
0.016
Maximum inner diameter of SB stent/balloon (mm, M (P25, P75))
3.00 (2.50, 3.50)
2.75 (2.50, 3.00)
0.007
DES + DCB [case (%)]
SB DCB dilation first
5 (10.0)
MB stent implantation first
45 (90.0)
Two-stent PCI [cases (%)]
Crush
31 (62.0)
Culotte
9 (18.0)
T-stenting
9 (18.0)
V-stenting
1 (2.0)
Inflation pressure (atm, M (P25, P75))
8.00 (8.00, 10.50)
8.00 (8.00, 8.50)
0.111
Comparing two data sets using the Fisher’s exact probability test. IABP, intra-aortic balloon pump counterpulsation; IVUS, intravascular ultrasound; OCT, optical coherence tomography; FFR, fractional flow reserve.
