American journal of ophthalmology · 2015
The Effect of Achieving Immediate Target Angle on Success of Strabismus Surgery in Children.
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Astudillo Paulita Pamela, Cotesta Melissa, Schofield Jennifer, Kraft Stephen, Mireskandari Kamiar
Аннотация
PURPOSE: To determine if achieving the ideal postoperative target range increases the long-term success of pediatric strabismus surgery.
DESIGN: Interventional case series.
METHODS: Children below 12 years old with horizontal strabismus who underwent surgical correction by recession, resection, advancement, or a combination of both between 1996 and 2011 were included. Alignment was measured within 1 week and at a minimum of 6 months after surgery. The ideal postoperative target range was defined as 0-8 prism diopters (PD) of esotropia in exotropic patients and within 4 PD of orthotropia in esotropic patients measured within 1 week after the surgery. Success was defined as a measurement within 10 PD of orthotropia at the latest postoperative visit. The main outcome measures were surgical success rate and the factors affecting it.
RESULTS: We included 352 patients with mean follow-up of 18 months. Overall, patients within the target range had a higher success rate than those outside it (75.6% vs 57% P = .0004). This was highly significant for exotropia (P = .0002) but not for esotropia (P = .4). Multiple regression analysis revealed that being within target range was the strongest predictor of long-term success (odds ratio [OR] = 2.3, range 1.4-3.7). Overall, surgeries on patients with esotropia were more likely to be successful than on those with exotropia (OR = 1.9, range 1.2-3), and premature patients had poorer outcomes (OR = 0.2, range 0.1-0.8).
CONCLUSION: Achieving the ideal target range within 1 week after surgery is associated with a high rate of long-term success in exotropia surgery in children.
DESIGN: Interventional case series.
METHODS: Children below 12 years old with horizontal strabismus who underwent surgical correction by recession, resection, advancement, or a combination of both between 1996 and 2011 were included. Alignment was measured within 1 week and at a minimum of 6 months after surgery. The ideal postoperative target range was defined as 0-8 prism diopters (PD) of esotropia in exotropic patients and within 4 PD of orthotropia in esotropic patients measured within 1 week after the surgery. Success was defined as a measurement within 10 PD of orthotropia at the latest postoperative visit. The main outcome measures were surgical success rate and the factors affecting it.
RESULTS: We included 352 patients with mean follow-up of 18 months. Overall, patients within the target range had a higher success rate than those outside it (75.6% vs 57% P = .0004). This was highly significant for exotropia (P = .0002) but not for esotropia (P = .4). Multiple regression analysis revealed that being within target range was the strongest predictor of long-term success (odds ratio [OR] = 2.3, range 1.4-3.7). Overall, surgeries on patients with esotropia were more likely to be successful than on those with exotropia (OR = 1.9, range 1.2-3), and premature patients had poorer outcomes (OR = 0.2, range 0.1-0.8).
CONCLUSION: Achieving the ideal target range within 1 week after surgery is associated with a high rate of long-term success in exotropia surgery in children.