Table 5.
Summary of previous studies evaluating strabismus surgery in patients with myasthenia gravis
| Author, year | N | Surgical procedures | Use of botulinum toxin | Adjustable Sutures | Follow-Up | Definition of Success | Success Rate |
|---|---|---|---|---|---|---|---|
| Acheson (5), 1991 | 5 | Horizontal muscle faden (n=1), horizontal rectus muscle surgery (n=5), superior oblique tenotomy (n=2) | No | Yes | 6 months to 6 years | Not defined | Not defined |
| Davidson (6), 1993 | 6 | Horizontal rectus muscle surgery (n=6), vertical rectus muscle surgery (n=1), superior oblique tenotomy (n=2) | No | Yes | 4 months to 16 years | <10 PD of ocular misalignment | 4/6 (67%) |
| Bentley (7), 2001 | 9 | Horizontal rectus muscle surgery (n=9), vertical rectus muscle surgery (n=1), inferior oblique surgery (n=1) | Yes (n=6) | Yes | 6 months to 5 years | Symptom-free | 6/9 (67%) |
| Ohtsuki (8), 1996 | 4 | Horizontal rectus muscle surgery (n=3), vertical rectus muscle surgery (n=3) | No | Yes | 8 months to 2.5 years | Single binocular vision | 3/4 (75%) |
| Morris (9), 2004 | 2 | Horizontal rectus muscle surgery (n=1), vertical rectus muscle surgery (n=1) | No | Yes | 3 months to 6 months | Not defined | Not defined |
N=number of patients