Table 2

Comparison of the Detailed Periprocedural Complications Between the Elderly and Younger Groups

Age ≥75 yrs (n = 325)Age <75 yrs (n = 1,839)p Value
Thromboembolic complications0 (0%)14 (0.8%)0.248
 Cerebral infarction0 (0%)10 (0.5%)0.376
 Transient ischemic attack0 (0%)4 (0.2%)0.999
Major bleeding complications10 (3.1%)23 (1.3%)0.023
 Cardiac tamponade5 (1.5%)15 (0.8%)0.209
 Vascular complications1 (0.3%)3 (0.2%)0.479
 Arteriovenous fistula requiring surgery0 (0%)2 (0.1%)0.999
 Bleeding hematoma requiring blood transfusion4 (1.2%)1 (0.1%)0.002
 Pericardial effusion requiring blood transfusion0 (0%)1 (0.1%)0.999
 Gastrointestinal bleeding requiring blood transfusion0 (0%)1 (0.1%)0.999
Minor bleeding complications30 (9.2%)92 (5%)0.002
 Puncture site bleeding or hematoma27 (8.3%)75 (4.1%)0.001
 Pericardial effusion without tamponade1 (0.3%)6 (0.3%)0.999
 Arteriovenous fistula1 (0.3%)4 (0.2%)0.557
 Vascular pseudoaneurysm1 (0.3%)5 (0.3%)0.999
 Continuous hematuria0 (0%)1 (0.1%)0.999
 Continuous bloody phlegm0 (0%)1 (0.1%)0.999
Major adverse events40 (12%)129 (7%)0.001