Peer-reviewed veterinary case report
Orbital implants after eye removal in dogs and cats
By Oriá, Arianne P et al.·Published in Veterinary ophthalmology·2016·School of Veterinary Medicine and Zootechny, Brazil·View original on PubMed →
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Original publication title: Polymethylmethacrylate orbital implants with interconnecting channels. A retrospective study following enucleation in dogs and cats.
Plain-English summary
A group of 31 dogs and 11 cats underwent surgery to remove their eyes (enucleation) and received special implants to fill the empty space. These implants, made from a material called polymethylmethacrylate, have channels that help tissue grow into them, which reduces the chance of the implant moving out of place. After the surgery, the pets were monitored for several months, and the implants were found to be well-tolerated, providing good cosmetic results without causing skin issues. Overall, the implants helped maintain a natural appearance and supported healthy tissue growth.
People also search for: dog eye removal recovery · cat enucleation implant · cosmetic eye surgery for pets
Abstract
PURPOSE: This study describes the use of polymethylmethacrylate implants with interconnecting channels (PIIC) to fill the orbit following enucleation in 31 dogs and 11 cats. METHOD: Seven channels were drilled into the implant. A central channel, running from the PIIC pole to its flat surface, was used to pass sutures anchoring the PIIC to the orbital fascia, minimizing the likelihood of extrusion. Six more channels allowed ingrowth of fibrovascular tissue into the PIIC, which reduces the risk of extrusion. Patients were evaluated 3, 10, and 30 days postoperatively, with 15 of 42 patients followed for 6-20 months. Ultrasound examination was performed in seven patients 15-510 days postoperatively, and two implants were studied histopathologically. RESULTS: Implants were well tolerated and prevented skin concavity, leading to good cosmetic results. Blood flow was imaged in vessels growing into the channels, and histopathologically a collagenous, fibrovascular capsule was seen surrounding the PIIC and invading its channels. CONCLUSIONS: PIICs are a safe and cosmetic solution to anophthalmic orbits, allowing ingrowth of blood vessels and fibrovascular tissue.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/25707422/