Table 3:

CVT characteristics among patients with dAVF and CVT diagnoses

dAVF and CVT (n = 55)
Anatomic association of dAVF and CVT (n/N) (%)
 Probablea45/55 (82)
 Possibleb8/55 (15)
 Unlikelyc2/55 (4)
Time correlation of dAVF and CVT (n/N) (%)
 Previous CVT4/55 (7)
 Concurrent CVT33/55 (60)
 Subsequent CVT18/55 (33)
 Following dAVF treatment11/55 (20)
 Following conservative dAVF treatment7/55 (13)
  • a dAVF and CVT located at the same venous sinus.

  • b CVT located up- or downstream of the dAVF, but not in the same venous sinus.

  • c No anatomic association.