ArticleAmerican journal of ophthalmology2021
Biomechanical Testing of Flanged Polypropylene Sutures in Scleral Fixation.
Article in American journal of ophthalmology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- Experimental knotless scleral fixation with expanded polytetrafluoroethylene (ePTFE): dynamics of anchoring strength in the early postoperative period.BMC ophthalmology · 2026Article
- Modified belt loop technique for scleral fixation of intraocular lenses.American journal of ophthalmology case reports · 2026Article
- Prediction of ocular length in hypotony condition: a measurement study using immersion ultrasound biometry and Dino-LiteScientific reports · 2026Article
- Modified Four-Flanged Intrascleral Fixation of Foldable Intraocular Lenses Using a 1-Inch, 30-Gauge Needle for Extraocular Suture Threading.Korean journal of ophthalmology : KJO · 2026Article
- Article
- Inverted tunnel scleral fixation technique for dropped intraocular lens complex: the double-flanged suture method.Arquivos brasileiros de oftalmologia · 2025Observational
- Comparison of outcomes between modified double-flanged sutureless scleral fixation and conventional sutured scleral fixation.Scientific reports · 2024Article
- Bilaterally subluxed diffractive intraocular lenses: big expectations and even bigger comorbidities.Journal of cataract and refractive surgery · 2024Article
- Biomechanical testing of a modified knotless transscleral suture fixation technique: anAnnals of translational medicine · 2023Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
objectiveTo optimize the flanged belt-loop technique of scleral fixation through biomechanical testing and report clinical outcomes of resultant modifications.
designExperimental study.
methodsThe force to disinsert flanged polypropylene suture from human cadaveric sclera was assessed using a tensile testing machine and compared to the breaking strengths of 9-0 and 10-0 polypropylene. The effects of modifying suture gauge (5-0, 6-0, 7-0, or 8-0), amount of suture cauterized (0.5 or 1.0 mm), and sclerotomy size (27, 30, 32, 33 gauge) were investigated. Belt-loop intrascleral fixation using 6-0 and 7-0 polypropylene with 30 and 32 gauge needles, respectively, was performed in 4 patients. Main outcome measures were flanged suture disinsertion forces in cadaveric sclera.
resultsThe average force to disinsert a flange created by melting 1.0 mm of 5-0, 6-0, 7-0, and 8-0 polypropylene suture from human cadaveric sclera via 27, 30, 32, and 33 gauge needle sclerotomies was 3.0 ± 0.5 N, 2.1 ± 0.3 N, 0.9 ± 0.2 N, and 0.4 ± 0.1 N, respectively. The disinsertion forces for flanges formed by melting 0.5 mm of the same gauges were 72%-79% lower (P < .001). In comparison, the breaking strengths of 9-0 and 10-0 polypropylene were 0.91 ± 0.4 N and 0.52 ± 0.03 N. Belt-loop fixation using 6-0 and 7-0 polypropylene with 30 and 32 gauge sclerotomies demonstrated good outcomes at 6 months.
conclusionsThe flanged belt-loop technique is a biomechanically sound method of scleral fixation using 1.0 mm flanges of 5-0 to 7-0 polypropylene paired with 27, 30, and 32 gauge sclerotomies. In contrast, 8-0 polypropylene and 0.5 mm flanges of any suture gauge will likely be unstable with this technique.
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