Table 3

Electrode types and complications

Type of invasive electrodes*n (%)Complications per electrode type n (%)Type
Grids108 (40.5)8 (7.4)6 SH/2 EH
Intracerebral depth14 (5.2)1 (7.1)1 D
Foramen ovale9 (3.4)0
Epidural2 (0.7)1 (50)1 SH
Strips only134 (50.2)3 (2.2)1 EH/2 I
  • Electrode type alone or in combination, most complication prone first.

  • *Counted per electrode type.

  • D, electrode dislocation; EH, epidural haematoma; I, infection; SH, subdural haematoma.