• Christopher T Leffler, Kamyar Vaziri, Kara M Cavuoto, Craig A McKeown, Stephen G Schwartz, Krishna S Kishor, and Allison Pariyadath.
• Department of Ophthalmology, Virginia Commonwealth University Medical Center, Richmond, Virginia. Electronic address: chrislefflermd@gmail.com.
• Am. J. Ophthalmol. 2015 Aug 1; 160 (2): 385-390.e4.

PurposeTo determine the association of strabismus surgery reoperation rates with adjustable or conventional sutures.DesignRetrospective cross-sectional study.Methodssetting: Review of a large national private insurance database.Study PopulationAdults aged 18-89 having strabismus surgery between 2007 and 2011.InterventionAdjustable vs conventional suture strabismus surgery.Outcome MeasureReoperation rate in the first postoperative year.ResultsOverall, 526 of 6178 surgical patients had a reoperation (8.5%). Reoperations were performed after 8.1% of adjustable suture surgeries and after 8.6% of conventional suture surgeries (P = .57). Of the 4357 horizontal muscle surgeries, reoperations were performed after 5.8% of adjustable suture surgeries, and after 7.8% of conventional suture surgeries (P = .02). Of the 1072 vertical muscle surgeries, reoperations were performed after 15.2% of adjustable suture surgeries and after 10.4% of conventional suture surgeries (P = .05). Younger age (18-39 years) was associated with a lower reoperation rate (P ≤ .02). The significant multivariable predictors of reoperation for horizontal surgery were adjustable sutures (odds ratio [OR] 0.69, 95% confidence interval 0.52-0.91), monocular deviation (OR 0.64), complex surgery (OR 1.63), and unilateral surgery on 2 horizontal muscles (OR 0.70, all P ≤ .01). Adjustable sutures were not significantly associated with reoperation rates after vertical muscle surgery (multivariable OR 1.45, P = .07).ConclusionsAdjustable sutures were associated with significantly fewer reoperations for horizontal muscle surgery. Adjustable sutures tended to be associated with more reoperations for vertical muscle surgery, but this observation was not statistically significant in the primary analysis after controlling for age.Copyright © 2015 Elsevier Inc. All rights reserved.

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