Table 2.
1-Year Outcomes for One-Muscle and Two-Muscle Surgery for Presumed Unilateral Superior Oblique Palsy.
| Motor Success (n=46) | Diplopia Success (n=38)a | ||||||
|---|---|---|---|---|---|---|---|
| Success | Under | Over | Success | Partial | Failure | ||
| One muscle (n=17) | Overall | 8 (47%) | 9 (53%) | 0 (0%) | 5 (45%) | 3 (27%) | 3 (27%) |
| IO only (n=7) | 4 (57%) | 3 (43%) | 0 (0%) | 1 (25%) | 1 (25%) | 2 (50%) | |
| SO only (n=8) | 3 (38%) | 5 (63%) | 0 (0%) | 3 (60%) | 1 (20%) | 1 (20%) | |
| Rectus only (n=2) | 1 (50%) | 1 (50%) | 0 (0%) | 1 (50%) | 1 (50%) | 0 (0%) | |
| Two muscles (n=29) | Overall | 16 (55%) | 5 (17%) | 8 (28%) | 16 (59%) | 4 (15%) | 7 (26%) |
| IO+IR (n=17) | 8 (47%) | 3 (18%) | 6 (35%) | 9 (60%) | 1 (7%) | 5 (33%) | |
| IR+SR (n=6) | 3 (50%) | 1 (17%) | 2 (33%) | 3 (50%) | 2 (33%) | 1 (17%) | |
| SO+IR (n=5) | 4 (80%) | 1 (20%) | 0 (0%) | 3 (60%) | 1 (20%) | 1 (20%) | |
| SR+SO (n=1) | 1 (100%) | 0 (0%) | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) | |
a
For diplopia success and combined motor with diplopia success, 11 subjects with one-muscle surgery and 27 subjects with two-muscle surgery were available for analysis.