A comparison of surgical outcomes between pre-and full-term patients with exotropia
Eun Hye Jung1,2, Young Suk Yu2,3, Seong-Joon Kim2,3
1Department of Ophthalmology, Chuncheon Sacred Heart Hospital, Chuncheon, Korea.
Purpose:
To compare the surgical outcomes between pre- and full-term patients with exotropia and to examine the factors associated with surgical outcomes.
Methods:
This retrospective study included 48 pre- and 432 full-term patients with basic-type exotropia who underwent unilateral or bilateral lateral rectus muscle (ULR or BLR) recession. Preoperative characteristics and surgical outcomes were compared between the pre- and full-term infants. Additionally, factors affecting the surgical outcomes were evaluated in all patients.
Results:
The preoperative characteristics were significantly different between the pre- and full-term groups in terms of neurodevelopmental disabilities (p = 0.020). There were no significant differences between the pre- and full-term groups in terms of the success, overcorrection, and recurrence rates after the mean follow-up period of 34.6 ± 13.9 months (p = 0.697). The major cause of surgical failure was recurrence in both groups. Pre-term birth was not a risk factor for overcorrection and recurrence. However, regardless of the pre- or full-term birth status, the presence of neurodevelopmental disabilities significantly affected final overcorrection (p = 0.004).
Conclusions:
Pre-term patients with exotropia showed similar surgical outcomes to full-term controls. The presence of neurodevelopmental disabilities was a risk factor for final overcorrection.
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