Table 1.
Six-Week Outcomes for One-Muscle and Two-Muscle Surgery for Presumed Unilateral Superior Oblique Palsy.
| Motor Success (n=73) | Diplopia Success (n=58)a | ||||||
|---|---|---|---|---|---|---|---|
| Success | Under | Over | Success | Partial | Failure | ||
| One muscle (n=28) | Overall | 18 (64%) | 10 (36%) | 0 (0%) | 11 (73%) | 1 (7%) | 3 (20%) |
| IO only (n=15) | 10 (67%) | 5 (33%) | 0 (0%) | 6 (100%) | 0 (0%) | 0 (0%) | |
| SO only (n=9) | 6 (67%) | 3 (33%) | 0 (0%) | 3 (60%) | 1 (20%) | 1 (20%) | |
| Rectus only (n=4) | 2 (50%) | 2 (50%) | 0 (0%) | 2 (50%) | 0 (0%) | 2 (50%) | |
| Two muscles (n=45) | Overall | 30 (67%) | 7 (16%) | 8 (18%) | 27 (61%) | 7 (16%) | 10 (23%) |
| IO+IR (n=28) | 18 (64%) | 4 (14%) | 6 (21%) | 16 (62%) | 4 (15%) | 6 (23%) | |
| IR+SR (n=8) | 6 (75%) | 0 (0%) | 2 (25%) | 3 (38%) | 2 (25%) | 3 (38%) | |
| SO+IR (n=7) | 5 (71%) | 2 (29%) | 0 (0%) | 5 (71%) | 1 (14%) | 1 (14%) | |
| SR+SO (n=1) | 1 (100%) | 0 (0%) | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) | |
| Ipsilateral SO+SR (n=1) | 0 (0%) | 1 (100%) | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) | |
a
For diplopia success and combined motor with diplopia success, 15 subjects with one-muscle surgery and 43 subjects with two-muscle surgery were available for analysis.