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  • Title: One-Month Postoperative Horizontal Strabismus Surgery Outcomes Using Adjustable and Nonadjustable Sutures.
    Author: Liu D, Kumar A, Shieh D, Bhargava S, Zobal-Ratner J, Simon JW.
    Journal: J Binocul Vis Ocul Motil; 2020; 70(3):94-97. PubMed ID: 32511075.
    Abstract:
    INTRODUCTION: Previous series suggest adjustable sutures (AS) in adult strabismus surgery yield improved ocular alignment and better success rates compared to nonadjustable sutures (NAS). We questioned whether these differences are clinically significant and whether they justify the added time and discomfort required for AS. METHODS: We reviewed all available records of adults undergoing horizontal strabismus surgery by the last two authors between 2000 and 2014. Independently, the two surgeons developed a preference for NAS midway through the study period, permitting comparisons between two treatment groups. Results were assessed at one to two months postoperatively. The primary outcome was alignment in primary position at one to two months postoperatively. The secondary outcome was success rate, defined as <10PD residual or consecutive deviation. RESULTS: We included 184 patients, 68 with AS and 116 with NAS. No significant difference in primary position alignment at 1-2 months was noted between AS and NAS for esotropia (P = .26) or for exotropia (P = .10). Success rates were similar (P = .58 for esotropia and P = .34 for exotropia). DISCUSSION: Although we acknowledge limitations in this retrospective study, our results suggest that AS overall was not associated with improved alignment or success rates, compared to NAS, at 1- to 2- months postoperatively. CONCLUSIONS: Although adjustable sutures represent a valuable surgical option at the discretion of individual surgeons and their patients, we no longer routinely use AS in all adult cases. A prospective study to evaluate long-term outcomes would be helpful.
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