Table 3: Clinical, lesion, and procedural characteristics for the PCI group (n = 13).

Pre-TAVRPost-TAVR value

Clinical characteristics
 Time from TAVR (days)37.31 ± 39.38603.92 ± 516.58
 Procedure indication
  Asymptomatic/silent ischemia9 (69.2)2 (15.4)0.008
  Stable angina2 (15.4)1 (7.7)0.564
  Unstable angina2 (15.4)4 (30.8)0.414
  Non-ST elevation myocardial infarction0 (0)6 (46.2)
  ST elevation myocardial infarction0 (0)0 (0)
Procedural characteristics
 Vessel treated
  Left main6 (46.2)2 (15.4)0.046
  Left anterior descending artery5 (38.5)4 (30.8)0.564
  Circumflex artery7 (53.9)4 (30.8)0.083
  Ramus intermedius2 (15.4)2 (15.4)1
  Right coronary artery2 (15.4)3 (23.1)0.317
  Venous graft2 (15.4)2 (15.4)1.000
 Lesion location
  Ostial7 (53.9)6 (46.2)0.564
  Bifurcation7 (53.9)4 (30.8)0.180
 Type B2/C lesion12 (92.3)11 (84.6)0.564
 Diameter stenosis (%)83.17 ± 12.1389.31 ± 11.880.267
 TIMI flow before PCI
  01 (7.7)1 (7.7)1
  10 (0)1 (7.7)
  21 (7.7)2 (15.4)0.564
  311 (84.6)9 (69.2)0.414
 TIMI flow after PCI
  00 (0)0 (0)
  10 (0)1 (7.7)
  20 (0)0 (0)
  313 (100)12 (92.3)
 Access site
  Femoral3 (23.1)4 (30.8)0.655
  Radial10 (76.9)8 (61.5)0.414
  Both0 (0)1 (7.7)
 Catheter diameter (French)
  53 (23.1)6 (46.2)0.257
  68 (61.5)7 (53.89)0.655
  72 (15.4)0 (0)
 Number of guidings needed1.15 ± 0.381.54 ± 0.660.132
 Selective injection achieved12 (92.3)13 (100)
 Number of lesions treated1.85 ± 0.901.31 ± 0.480.180
 Number of stents implanted2.31 ± 1.551.31 ± 0.750.037
 Total stent length (mm)57.23 ± 46.6525.69 ± 18.060.018
Maximum stent diameter (mm)3.15 ± 0.473.13 ± 1.070.680
 Type of stent used
  Bare-metal stent3 (23.1)1 (7.7)0.317
  Drug-eluting stent10 (76.9)11 (84.6)0.655
 Balloon predilation13 (100)11 (84.6)
 Balloon postdilation11 (84.6)9 (69.2)0.414
 GuideLiner used1 (7.7)0 (0)
 Rotational atherectomy performed4 (30.8)0 (0)
 Aspiration thrombectomy0 (0)1 (7.7)
 Number of angiographic views16.46 ± 7.9715.07 ± 6.000.667
 Fluoroscopy time (min)20.99 ± 20.9220.69 ± 11.940.677
 Procedural duration (min)63.15 ± 37.4165.23 ± 26.380.672
 Dose area product (cGy/cm2)13166 ± 80568098 ± 55790.131
 Contrast amount (mL)170 ± 86.98148.92 ± 58.850.748
 Procedural success13 (100)12 (92.3)

Variables are expressed as n (%) or mean ± SD. PCI = percutaneous coronary intervention.