Table 2

Post-filter complications

All patients, n (%) (n=371)*Patients with cerebral infarct, n (%) (n=73)*Patients with cerebral hemorrhage, n (%) (n=105)*Patients with cranial trauma, n (%) (n=116)*Patients with intracranial malignancy, n (%) (n=77)*
Post-filter PE
 Symptomatic PE54 (15)16 (22)14 (13)15 (13)9 (12)
 Fatal PE301 (1)1 (1)1 (1)
 Imaging done67 (18)19 (26)15 (13)21 (18)12 (15.5)
 PE on imaging15 (4)2 (3)4 (4)3 (2.5)6 (8)
Post-filter DVT
 Symptomatic DVT60 (16)8 (11)15 (13)26 (22)11 (14)
 Imaging done150 (40)31 (42)36 (34)61 (52.5)22 (28.5)
 DVT on imaging51 (14)12 (16)10 (9.5)15 (13)14 (18)
 New DVT21 (6)5 (7)4 (4)7 (6)5 (7)
Complications of filter
 Fracture604 (4)2 (2)0
 Penetration703 (3)1 (1)3 (4)
 Migration201 (1)1 (1)0
 IVC thrombosis254 (5.5)8 (7.5)5 (4)8 (11)
 Thrombus in filter2609 (8)5 (4)12 (15.5)
  • * Denominator is the number of patients (n) in that particular group.

  • PE, pulmonary embolism; DVT, deep venous thrombosis; IVC, inferior vena cava.