Peer-reviewed veterinary case report
Long-term vision outcomes and breed differences of Ahmed Glaucoma Valve implantation in 132 eyes of 122 dogs.
- Journal:
- Veterinary ophthalmology
- Year:
- 2022
- Authors:
- Saito, Akihiko et al.
- Affiliation:
- Triangle Animal Eye Clinic · Japan
- Species:
- dog
Abstract
OBJECTIVE: To evaluate the long-term vision outcomes of Ahmed glaucoma valve (AGV) implantation in dogs. PROCEDURES: The medical records of dogs that underwent AGV implantation from January 2010 to December 2019 were reviewed to assess the duration of post-surgical vision preservation (PVP). The relationship between PVP and the underlying cause of glaucoma, implant placement, and preoperative intraocular pressure was evaluated. RESULTS: One hundred and thirty-two eyes of 122 dogs (mean age, 8.3 ± 2.6 years) were included. The mean ± standard error of PVP for all eyes was 57.5 ± 3.9 months. PVP in the dogs with primary acute glaucoma and prior history of cataract surgery was 56.4 ± 4.7 and 59.3 ± 5.9 months, respectively (p = .712). The PVP of the Shiba Inu, American Cocker Spaniel, and other breeds was 63.1 ± 5.5, 33.7 ± 5.3, and 59.1 ± 6.3 months, respectively (p < .05). The PVP in dogs with medial implantation was 61.9 ± 4.7 months, and in those with lateral implantation was 45.4 ± 6.4 months (p = .034). Among the 132 eyes investigated, 48 (36.4%) lost vision by the last follow-up, and 18 eyes retained vision for more than 5 years. Two of the total number of eyes retained their vision for more than 8 years. CONCLUSIONS: The vision outcomes regarding the use of AGV for the management of canine glaucoma were favorable in dogs.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/34581495/