Securing extraocular muscles in strabismus surgery: biomechanical analysis of muscle imbrication and knot tying technique

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

An experimental study was performed to quantitatively evaluate the tensile strength implications of two important steps in extraocular muscle surgery: muscle imbrication and knot configuration. The study was conducted in a controlled fashion using fresh ex vivo pig eyes with extraocular muscles attached and a precision digital force gauge. The study provides clinically translatable data to inform optimal surgical technique. The results suggest that imbrication of the muscle edge is most secure when the suture is looped around itself in a manner that allows it to be tightly cinched and locked and that granny knots possess similar tensile strength to square knots.

Original languageEnglish (US)
Pages (from-to)57-59
Number of pages3
JournalJournal of AAPOS
Volume23
Issue number1
DOIs
StatePublished - Feb 2019
Externally publishedYes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Ophthalmology

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