Clinical and Technical Characteristics of Coronary Angiography and Percutaneous Coronary Interventions Performed before and after Transcatheter Aortic Valve Replacement with a Balloon-Expandable Valve
Table 3
Clinical, lesion, and procedural characteristics for the PCI group (n = 13).
Pre-TAVR
Post-TAVR
value
Clinical characteristics
Time from TAVR (days)
37.31 ± 39.38
603.92 ± 516.58
—
Procedure indication
Asymptomatic/silent ischemia
9 (69.2)
2 (15.4)
0.008
Stable angina
2 (15.4)
1 (7.7)
0.564
Unstable angina
2 (15.4)
4 (30.8)
0.414
Non-ST elevation myocardial infarction
0 (0)
6 (46.2)
—
ST elevation myocardial infarction
0 (0)
0 (0)
—
Procedural characteristics
Vessel treated
Left main
6 (46.2)
2 (15.4)
0.046
Left anterior descending artery
5 (38.5)
4 (30.8)
0.564
Circumflex artery
7 (53.9)
4 (30.8)
0.083
Ramus intermedius
2 (15.4)
2 (15.4)
1
Right coronary artery
2 (15.4)
3 (23.1)
0.317
Venous graft
2 (15.4)
2 (15.4)
1.000
Lesion location
Ostial
7 (53.9)
6 (46.2)
0.564
Bifurcation
7 (53.9)
4 (30.8)
0.180
Type B2/C lesion
12 (92.3)
11 (84.6)
0.564
Diameter stenosis (%)
83.17 ± 12.13
89.31 ± 11.88
0.267
TIMI flow before PCI
0
1 (7.7)
1 (7.7)
1
1
0 (0)
1 (7.7)
—
2
1 (7.7)
2 (15.4)
0.564
3
11 (84.6)
9 (69.2)
0.414
TIMI flow after PCI
0
0 (0)
0 (0)
—
1
0 (0)
1 (7.7)
—
2
0 (0)
0 (0)
—
3
13 (100)
12 (92.3)
—
Access site
Femoral
3 (23.1)
4 (30.8)
0.655
Radial
10 (76.9)
8 (61.5)
0.414
Both
0 (0)
1 (7.7)
—
Catheter diameter (French)
5
3 (23.1)
6 (46.2)
0.257
6
8 (61.5)
7 (53.89)
0.655
7
2 (15.4)
0 (0)
—
Number of guidings needed
1.15 ± 0.38
1.54 ± 0.66
0.132
Selective injection achieved
12 (92.3)
13 (100)
—
Number of lesions treated
1.85 ± 0.90
1.31 ± 0.48
0.180
Number of stents implanted
2.31 ± 1.55
1.31 ± 0.75
0.037
Total stent length (mm)
57.23 ± 46.65
25.69 ± 18.06
0.018
Maximum stent diameter (mm)
3.15 ± 0.47
3.13 ± 1.07
0.680
Type of stent used
Bare-metal stent
3 (23.1)
1 (7.7)
0.317
Drug-eluting stent
10 (76.9)
11 (84.6)
0.655
Balloon predilation
13 (100)
11 (84.6)
—
Balloon postdilation
11 (84.6)
9 (69.2)
0.414
GuideLiner used
1 (7.7)
0 (0)
—
Rotational atherectomy performed
4 (30.8)
0 (0)
—
Aspiration thrombectomy
0 (0)
1 (7.7)
—
Number of angiographic views
16.46 ± 7.97
15.07 ± 6.00
0.667
Fluoroscopy time (min)
20.99 ± 20.92
20.69 ± 11.94
0.677
Procedural duration (min)
63.15 ± 37.41
65.23 ± 26.38
0.672
Dose area product (cGy/cm2)
13166 ± 8056
8098 ± 5579
0.131
Contrast amount (mL)
170 ± 86.98
148.92 ± 58.85
0.748
Procedural success
13 (100)
12 (92.3)
—
Variables are expressed as n (%) or mean ± SD. PCI = percutaneous coronary intervention.
