E-ISSN 2218-6050 | ISSN 2226-4485
 

Case Report


Urrets-Zavalia syndrome following cataract surgery in dogs: A case series

Francisco Cantero, Marta Leiva, Laura Gaztelu, Irene Cerrada, Rita Vilao, Teresa Pena.


Cited By:1

Abstract
Background: In human medicine, Urrets-Zavalia syndrome (UZS) is a well-recognized, but uncommon postoperative complication characterized by a fixed dilated pupil, accompanied by iris atrophy and glaucoma. Although it was originally reported in 1963 after penetrating keratoplasty surgery for keratoconus, since then it has been associated with various ophthalmic procedures such as cataract surgery. The condition has not been previously published in veterinary literature.

Case description: Three client-owned diabetic dogs that developed UZS´s triad after cataract surgery are described. Despite uneventful phacoemulsification in the 6 eyes, 5 developed moderate to severe postoperative ocular hypertension (POH). Although the intraocular pressure spikes were initially controlled, fixed dilated pupils accompanied by iris atrophy and chronic ocular hypertension were seen in the 5 affected eyes. Aggressive medical and surgical management was able to maintain vision in 3 of those eyes. In one eye, the uncontrolled intraocular pressure led to blindness.

Conclusions: This is the first published description of Urrets-Zavalia syndrome in dogs, occurring after phacoemulsification. Despite no exact, demonstrable causative element could be determined, we believe that POH should be consider a triggering condition for this syndrome, as it directly affects the ocular blood flow autoregulation and intrinsic uveal tissue integrity. Until the contrary is proved, diabetes mellitus might be considered a risk factor for developing this syndrome after cataract surgery in dogs.

Key words: iris atrophy, mydriasis, ocular hypertension, phacoemulsification, postoperative complication


 
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How to Cite this Article
Pubmed Style

FC, Leiva M, Gaztelu L, Cerrada I, Vilao R, Pena T. Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. Open Vet J. 2022; 12(1): 138-147. doi:10.5455/OVJ.2022.v12.i1.17


Web Style

FC, Leiva M, Gaztelu L, Cerrada I, Vilao R, Pena T. Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. https://www.openveterinaryjournal.com/?mno=134620 [Access: February 15, 2024]. doi:10.5455/OVJ.2022.v12.i1.17


AMA (American Medical Association) Style

FC, Leiva M, Gaztelu L, Cerrada I, Vilao R, Pena T. Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. Open Vet J. 2022; 12(1): 138-147. doi:10.5455/OVJ.2022.v12.i1.17



Vancouver/ICMJE Style

FC, Leiva M, Gaztelu L, Cerrada I, Vilao R, Pena T. Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. Open Vet J. (2022), [cited February 15, 2024]; 12(1): 138-147. doi:10.5455/OVJ.2022.v12.i1.17



Harvard Style

, F. C., Leiva, . M., Gaztelu, . L., Cerrada, . I., Vilao, . R. & Pena, . T. (2022) Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. Open Vet J, 12 (1), 138-147. doi:10.5455/OVJ.2022.v12.i1.17



Turabian Style

, Francisco Cantero, Marta Leiva, Laura Gaztelu, Irene Cerrada, Rita Vilao, and Teresa Pena. 2022. Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. Open Veterinary Journal, 12 (1), 138-147. doi:10.5455/OVJ.2022.v12.i1.17



Chicago Style

, Francisco Cantero, Marta Leiva, Laura Gaztelu, Irene Cerrada, Rita Vilao, and Teresa Pena. "Urrets-Zavalia syndrome following cataract surgery in dogs: A case series." Open Veterinary Journal 12 (2022), 138-147. doi:10.5455/OVJ.2022.v12.i1.17



MLA (The Modern Language Association) Style

, Francisco Cantero, Marta Leiva, Laura Gaztelu, Irene Cerrada, Rita Vilao, and Teresa Pena. "Urrets-Zavalia syndrome following cataract surgery in dogs: A case series." Open Veterinary Journal 12.1 (2022), 138-147. Print. doi:10.5455/OVJ.2022.v12.i1.17



APA (American Psychological Association) Style

, F. C., Leiva, . M., Gaztelu, . L., Cerrada, . I., Vilao, . R. & Pena, . T. (2022) Urrets-Zavalia syndrome following cataract surgery in dogs: A case series. Open Veterinary Journal, 12 (1), 138-147. doi:10.5455/OVJ.2022.v12.i1.17