Effect of Time to Operative Intervention on Motility Outcomes Following Orbital Floor Fracture Repair in Children

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Purpose:To evaluate the relationship between time to surgical intervention and extraocular motility outcomes in children following repair of an orbital floor fracture with inferior rectus entrapment.Methods:After institution review board’s approval, a retrospective, consecutive case series of 28 children with unilateral orbital floor fractures entrapping the inferior rectus muscle was conducted. Clinical examinations and CT images were performed on all children. The main outcomes measures were postoperative motility measurements.Results:Eleven patients underwent surgery within 24 hours of reported injury, while 17 patients underwent surgery after 24 hours. There was no statistically significant difference in average age at the time of surgery (p = 0.47) or average preoperative motility scores (p = 1.0) between the 2 groups. Patients who underwent surgery within 24 hours of reported injury had an improved likelihood of recovery (log hazard ratio = 0.469; 95% confidence interval, −0.42 to 1.36).Conclusions:Our exploratory study suggests that surgical reduction of inferior rectus entrapment in pediatric orbital floor fractures within 24 hours from the time of injury shows an improved, but nonstatistically significant, likelihood of recovery in motility deficits with earlier surgical intervention.

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