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Abstract
Purpose
To determine the clinical course of recurrent exotropia after a secondary operation for exotropia.
Methods
The surgical results in 58 patients who had undergone reoperation for recurrent exotropia (reoperation group) were retrospectively investigated and compared with those of 100 patients who had undergone primary strabismus surgery only (primary operation group) using survival analysis.
Results
In the reoperation group, recurrence occurred in 19 of the 58 patients (33%). Survival analysis revealed that the recurrence rates in the reoperation group were significantly lower than those in the primary operation group at the same follow-up period after the corresponding strabismus surgery (p=0.018). The distant esodeviation at the postoperative 1st week after reoperation was the only significant factor associated with the recurrence after reoperation (p=0.01).
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Fig. 1.
Comparison of survival curves between the primary operation group (1°Op Group) and the reoperation group (Reop Group) (p=0.018 by Log-rank test).
Table 1.
Comparisons of recurrence rates according to the follow-up (F/U) duration between the primary operation group (1°Op Group) and reoperation group (Reop Group)
| F/U duration (Months) | Recurrence rate (%) | |
|---|---|---|
| Reop group | 1°Op group | |
| 1 | 5 | 10 |
| 3 | 11 | 22 |
| 12 | 25 | 48 |
| 24 | 35 | 56 |
| 41 | 51 | 65 |
| 51 | 60 | 72 |
Table 2.
Comparisons between the success group (SG) and recurrence group (RG) in the reoperation group
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