Degree of affection | Reoperation | |||
---|---|---|---|---|
Minor degree | Major degree | Repeated or additional denervation | Pallidal stimulation | |
Muscles reinnervated without change in pattern | ||||
Splenius | 2 (3%) | 4 (7%) | 2 (3%) | 1 (2%) |
Semispinal | ||||
Sternocleido | 3 (5%) | 1 (2%) | 1 (2%) | |
Trapezius | ||||
Muscles reinnervated and change in pattern | ||||
Splenius | 5 (8%) | 9 (15%) | 4 (7%) | 5 (8%) |
Semispinal | ||||
Sternocleido | 2 (3%) | 1 (2%) | 1 (2%) | |
Trapezius | ||||
Progressive disease/change in pattern without reinnervation | 13 (21%) | 2 (3%) | 1 (2%) | |
Total | 23 (38%) | 18 (29%) | 8 (13%) | 8 (13%) |
In some patients the reinnervation may be bilateral. A pathologic muscular activity that significantly affected the normal cervical posture was defined as ‘major degree’ while an activity that did not imply any major impact was defined as ‘minor degree’.