Peer-reviewed veterinary case report
Cataract surgery outcomes and energy use in 182 dog eyes
By Edelmann, Michele L et al.·Published in Veterinary ophthalmology·2022·Garden State Veterinary Specialists, United States·View original on PubMed →
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Original publication title: Retrospective evaluation of phacoemulsification and aspiration in 182 eyes: Visual outcomes and CDE-predictive value.
- Species:
- dog
Plain-English summary
A group of dogs that had cataract surgery were monitored to see how well they could see afterward. Most of the dogs, about 86%, were able to see in one or both eyes after surgery, with a follow-up period of around six months. The study found that dogs who developed glaucoma after surgery had higher levels of cumulative dissipated energy (CDE) during the procedure, which may indicate a greater risk of complications. Lower CDE levels were linked to better visual outcomes, especially in younger dogs or those with less severe cataracts.
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Abstract
OBJECTIVE: To determine the effect of cumulative dissipated energy (CDE) on complications and visual outcome following cataract surgery in dogs. ANIMALS STUDIED: Records of 182 canine eyes that had undergone cataract surgery. PROCEDURES: Retrospective medical record review was conducted on dogs that underwent unilateral or bilateral elective cataract surgery by a single surgeon. Preoperative variables such as age, cataract duration, and pre-existing conditions were recorded. Intraoperative variables such as intraocular lens (IOL) status, phacoemulsification time, average power, irrigation fluid volume, and CDE were recorded. Postoperative complications and visual status at last follow-up were compared to these variables. RESULTS: Eighty-six percent of dogs were visual in one or both eyes at last follow-up (LFU) examination. Median follow-up time was 186 days postoperatively. Eyes that developed glaucoma had a significantly greater mean CDE (77.73 ± 80.11) than eyes that did not develop glaucoma (49.21 ± 38.93). Eyes that remained visual at the LFU examination had a significantly lower mean CDE (48.31 ± 37.14) than eyes that were blind at LFU (82.05 ± 82.73). Significantly lower mean CDEs were found in diabetic eyes, younger eyes, early-operated eyes (<1 month duration), and eyes with preoperative lens-induced uveitis. CONCLUSIONS: Higher CDE may be associated with an increased risk of postoperative glaucoma and loss of vision in dogs. Cumulative dissipated energy may be a useful prognostic indicator for success of canine cataract surgery.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35239249/