Table 1.
Patient | Age (years) | Sex | Hand* | Symptom duration (years) | Dx† | Duration since treatment with botulinum toxin‡ | Movement scale severity (arm)§ | Pattern of dystonic posturing during writing¶ |
---|---|---|---|---|---|---|---|---|
D1 | 57 | F | L | 7 | DC | NA | 6 | Wrist, thumb, and F1-2 flex, F2 abd |
D2 | 61 | F | R | 17 | WC | 13 months | 9 | F2-3 flex, wrist UD |
D3 | 63 | F | R | 17 | DC | NA | 9 | Wrist flex and UD, F5 finger abd |
D4 | 24 | F | R | 16 | WC | NA | 4 | Wrist flex and UD, F2 flex |
D5 | 53 | F | R | 41 | DC | NA | 9 | Wrist flex and UD, F2-5 flex |
D6 | 57 | F | L | 6 | WC | NA | 2 | Wrist, thumb and F2 flex |
D7 | 45 | F | R | 2.5 | WC | NA | 2 | Wrist UD, thumb and F2 flex |
D8 | 63 | F | R | 24 | DC | 6 months | 6 | F2 ext |
D9 | 47 | M | R | 10 | WC | NA | 2 | Wrist ext, F2 abd and flex |
D10 | 48 | M | L | 2.5 | DC | 6 months | 4 | Wrist UD, F5 flex |
D11 | 56 | M | L | 5 | WC | NA | 2 | Wrist ext, F2 flex |
D12 | 42 | M | R | 7 | WC | 14 months | 2 | Wrist ext, F2 flex |
D13 | 45 | M | R | 23 | DC | 13 months | 12 | Wrist UD and flex, thumb and F2-3 ext |
D14 | 33 | M | R | 5 | WC | 37 months | 2 | Wrist ext, F1-2 ext, thumb abd |
D15 | 44 | M | R | 5 | WC | NA | 2 | Thumb ext |
D16 | 54 | M | R | 11 | DC | NA | 6 | F2 flex, thumb add |
Hand dominance: L, left; R, right.
Diagnosis: DC, dystonic cramp (more than one task involved); WC, writer’s cramp (only writing affected).23
NA, not applicable, patient never treated with botulinum toxin.
Arm subscale from the Burke-Fahn-Marsden rating scale,24 with higher scores indicating more severe involvement of the arm (maximum score 16).
abd, abduction; add, adduction; ext, extension; flex, flexion; F2-5, fingers 2-5; UD, ulnar deviation.