Table 1

 Operative complications and functional outcomes

CT findings
Perioperative complicationsYesNo
    Seizure*1 (ischaemia)
    Transient dysphasia1 (ischaemia)2
    Mental disturbance†1
    Asymptomatic1 (ischaemia)
1 (contusion)
    Visual loss in one eye‡1
    Perioperative death of unknown cause§1
Other complications
    Meningitis2
    Chronic subdural hematoma3*
    Epidural haemorrhage by head pin penetration1
Functional outcomesNo of patients (in follow-up study)
mRSAt dischargeAfter 3 years
mRS, modified Rankin Scale.
*One patient suffered seizure, minor infarction, and subdural hematoma.
†Cognitive function disorder lasting over 1 year after the operation.
‡This patient lost sight in the left eye on the morning of the 3rd perioperative day.
§This patient suffered cardiopulmonary arrest on the 4th perioperative day
¶Cerebellar infarction occurred 2 years after the operation.
**Massive putaminal haematoma occurred 1 year after treatment.
06262 (59)
122 (2)
21†
31‡
4
5
62