Journal of the American Veterinary Medical Association · 2026
Comparison of the incidence of postoperative ocular hypertension after pars plana vitrectomy and phacoemulsification and aspiration in dogs.
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Yoshida Gaku, Umeda Yasuyoshi
Аннотация
OBJECTIVE: To retrospectively evaluate whether postoperative ocular hypertension (POH) occurs after pars plana vitrectomy (PPV) for rhegmatogenous retinal detachment, as POH does after phacoemulsification and aspiration (PEA).
METHODS: Medical records of dogs that underwent PPV or PEA between January 2018 and December 2021 were reviewed retrospectively. Cases were divided into 2 groups: the PPV group and the PEA group. The PPV group was further divided into 2 groups: the PPV-only group and the PEA + PPV group, which included cases that underwent PEA and PPV simultaneously. Intraocular pressure was measured preoperatively and at 1, 3, 5, 24, and 48 hours postoperatively with rebound tonometry in all dogs, and POH incidence was analyzed.
RESULTS: Of the 377 eyes (300 dogs), 43 eyes (40 dogs) were included in the PPV-only group, 48 eyes (45 dogs) in the PEA + PPV group, and 286 eyes (215 dogs) in the PEA group. The incidence of POH was 9.9% (9 of 91 eyes) in the PPV group and 25.5% (73 of 286 eyes) in the PEA group. Within the PPV group, the incidence of POH was 2.3% (1 of 43 eyes) in the PPV-only group and 16.7% (8 of 48 eyes) in the PEA + PPV group. The incidence of POH was significantly lower in the PPV group than in the PEA group.
CONCLUSIONS: Postoperative ocular hypertension occurred after PPV for rhegmatogenous retinal detachment in dogs, with a lower incidence than after PEA.
CLINICAL RELEVANCE: Given the possibility of developing POH after PPV, similar to PEA, postoperative monitoring of intraocular pressure is crucial.
METHODS: Medical records of dogs that underwent PPV or PEA between January 2018 and December 2021 were reviewed retrospectively. Cases were divided into 2 groups: the PPV group and the PEA group. The PPV group was further divided into 2 groups: the PPV-only group and the PEA + PPV group, which included cases that underwent PEA and PPV simultaneously. Intraocular pressure was measured preoperatively and at 1, 3, 5, 24, and 48 hours postoperatively with rebound tonometry in all dogs, and POH incidence was analyzed.
RESULTS: Of the 377 eyes (300 dogs), 43 eyes (40 dogs) were included in the PPV-only group, 48 eyes (45 dogs) in the PEA + PPV group, and 286 eyes (215 dogs) in the PEA group. The incidence of POH was 9.9% (9 of 91 eyes) in the PPV group and 25.5% (73 of 286 eyes) in the PEA group. Within the PPV group, the incidence of POH was 2.3% (1 of 43 eyes) in the PPV-only group and 16.7% (8 of 48 eyes) in the PEA + PPV group. The incidence of POH was significantly lower in the PPV group than in the PEA group.
CONCLUSIONS: Postoperative ocular hypertension occurred after PPV for rhegmatogenous retinal detachment in dogs, with a lower incidence than after PEA.
CLINICAL RELEVANCE: Given the possibility of developing POH after PPV, similar to PEA, postoperative monitoring of intraocular pressure is crucial.