Polymethylmethacrylate orbital implants with interconnecting channels. A retrospective study following enucleation in dogs and cats

Oriá, Arianne Pontes; Souza, Mary'Anne Rodrigues de; Neto, Francisco de Assis Dórea; Gomes, Deusdete Conceição; Estrela‐Lima, Alessandra; Muramoto, Caterina; Neto, João Moreira Costa; Ofri, Ron

doi:10.1111/vop.12262

Cited by 5 publications

(3 citation statements)

References 27 publications

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“…In that study, a specific complicate rate was not reported among the 38 canine eyes studied. However, authors of this study report one case of cellulitis of open etiology in one cat, unspecified number of cases with implant migration, and one case of implant extrusion due to trauma 25 . Additionally, the use of a hydroxyapatite orbital implant has successfully been reported in a horse 26 .…”

Section: Discussionmentioning

confidence: 85%

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Causes, outcomes, and owner satisfaction of dogs undergoing enucleation with orbital implant placement

Palmer

Ramos

Woodoff-Leith

et al. 2021

Veterinary Ophthalmology

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Objective To describe clinical and histopathologic pre‐operative diagnoses as well as associated post‐operative complications following orbital silicone implantation in dogs undergoing enucleation and evaluate owner satisfaction. Animals studied One hundred and eighty‐six dogs who underwent enucleation with orbital implant. Procedures Medical records from dogs that underwent enucleation with orbital implant performed at Virginia‐Maryland Veterinary Teaching Hospital between 2007 and 2019 were reviewed. Owners were surveyed via telephone regarding client satisfaction. Results Enucleation followed by orbital implant placement occurred in 215 eyes of 186 dogs. The most common pre‐operative diagnoses were glaucoma (68.8%), uveitis (17.7%), cataracts (15.8%), intraocular neoplasia (13.0%), and lens luxation (10.7%). The most common histopathologic diagnoses were retinal degeneration (46.5%), uveitis (39.5%), cataract (29.8%), retinal detachment (27.4%), and secondary glaucoma (26.5%). Fourteen eyes (6.5%) from ten dogs had post‐operative complications reported including orbit cellulitis (n = 11), implant migration (n = 1), and implant extrusion (n = 1). Five of these dogs (50%) had concurrent diabetes mellitus. Median complication time from surgery was 41 days (range: 11–541 days). Ninety‐five owner survey responses were completed with a median time of 6.3 years following surgery. Most owners, 85.3% (n = 81), were satisfied with the post‐operative outcome. Conclusion Enucleation with implantation of an orbital implant is a viable and safe method for irreversibly blind eyes. Diabetes mellitus may be a risk factor for the development of post‐operative complications. Intraocular neoplasia was not associated with development of post‐operative complications. Results of this study indicated high owner satisfaction rates for improving cosmetic appearance after enucleation in dogs.

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Section: Discussionmentioning

confidence: 85%

“…Although porous implants are not currently used in veterinary medicine, Oria et al . evaluated PMMA implants in which interconnecting channels were drilled 25 . In that study, a specific complicate rate was not reported among the 38 canine eyes studied.…”

Section: Discussionmentioning

confidence: 97%

Causes, outcomes, and owner satisfaction of dogs undergoing enucleation with orbital implant placement

Palmer

Ramos

Woodoff-Leith

et al. 2021

Veterinary Ophthalmology

View full text Add to dashboard Cite

show abstract

“…A new technique using polymethylmethacrylate implants with drilled interconnecting channels has proved cosmetically valuable and effective in allowing ingrowth of fibrovascular tissue, thus decreasing the risks of implant extrusion. 83 Evisceration with intrascleral prosthesis provides a cosmetic solution in cases of primary and secondary nonneoplastic glaucoma (Fig. 11), provided that the ocular surface is healthy and intact.…”

Section: End-stage Glaucoma Proceduresmentioning

confidence: 99%