https://orcid.org/0000-0003-3390-9811
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Abstract
Aim
To investigate the long-term risk of suture breakage after implantation of a modified capsular tension ring (MCTR) fixated to the sclera with polypropylene 10–0 suture.
Methods
Retrospective case series of operations for subluxated phakic lenses in 2007–2015 with implantation of an MCTR secured with a 10–0 polypropylene suture as part of an intraocular lens (IOL)-capsular bag complex.
Results
We identified 132 eyes (92 patients) operated on with an MCTR. Of these eyes, 26 (20%) had suture breakage requiring re-operation, while another eight eyes (6%) had suture breakage that did not require surgery. The re-operations occurred after a mean 4.8±3.3 years. Suture breakage occurred in patients with a mean age of 34.0±23.3, as compared to 43.2±26.0 years for patients who did not experience this complication (p=0.36). In patients aged 40 years or younger at the time of surgery, 47% experienced suture breakage in one or both eyes, as compared to 19% in the age group 41–69 years and 13% in the age group 70 years and older (p=0.004). Of the 132 eyes that were operated on, we registered one case (0.8%) of possible suture-related late endophthalmitis.
Conclusion
The long-term risk of suture breakage was quite high after scleral fixation of the MCTR in this patient cohort, and it seems as the risk is increased with young age.
Abbreviations
MCTR, modified capsular tension ring; IOL, intraocular lens.
Disclosure
Sandvik has received a Ph.D. grant from the Norwegian Dam Foundation, Oslo, Norway. Dr Kristianslund has received a small presentation fee at a seminar about cataract surgery/IOL dislocations, arranged by Bausch&Lomb (Sept.2020), outside the submitted work. No other conflicting relationship exists for all authors and no author has any proprietary or commercial interest in any materials discussed in this article.