Peer-reviewed veterinary case report
Posterior capsule tears during dog cataract surgery and outcomes
By Johnstone, Nancy & Ward, Daniel A·Published in Veterinary ophthalmology·2005·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: The incidence of posterior capsule disruption during phacoemulsification and associated postoperative complication rates in dogs: 244 eyes (1995-2002).
- Species:
- dog
Plain-English summary
A group of 143 dogs underwent cataract surgery, and in 33 of those eyes, the back part of the eye capsule was accidentally or intentionally disrupted during the procedure. While this complication made it harder to implant an artificial lens, the overall recovery and vision outcomes were similar for dogs with and without this disruption. In cases where the disruption was planned, more lenses were successfully implanted compared to accidental disruptions. Most dogs did not experience significant complications post-surgery, and many were able to see well afterward.
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Abstract
OBJECTIVE: The objective of this retrospective study was to report the incidence of posterior capsule disruption during routine phacoemulsification and to document the postoperative outcomes and complications in eyes with posterior capsule disruption compared with eyes with intact posterior capsules. PROCEDURES: Records of 143 dogs (244 eyes) were reviewed. Data collected included whether the posterior capsule was disrupted, whether the disruption was planned or accidental, whether an intraocular lens was implanted, and visual outcome. Records were reviewed for postoperative complications. Intraocular lens implantation rates, complication rates, and visual outcomes were compared between intact and disrupted posterior capsule groups using Chi-square analyses. RESULTS: The posterior capsule was disrupted in 33/244 eyes (14%). Planned capsulotomies accounted for 36% of the disruptions. Intraocular lenses were implanted in 76% of eyes without a disruption of the posterior capsule and in 31% of eyes with a posterior capsule disruption. Intraocular lenses were more likely to be implanted in eyes with a planned disruption of the posterior capsule (7/12; 58%) than in eyes with an accidental disruption (3/20; 15%). There were no significant differences in postoperative complications or visual outcome between eyes with posterior capsule disruption and those without. CONCLUSIONS: The most significant complication of posterior capsule disruption during phacoemulsification is the inability to implant an intraocular lens. Intraocular lenses are more likely to be placed in eyes with intentional disruptions of the posterior capsule than those with accidental ruptures.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15644100/