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Original Article


High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study

Pierre-françois Isard, Marielle Mentek, David Clément, Aurélie Béglé, Fabrice Romano, Florent Aptel, Iona Mathieson, Thomas Dulaurent.


Cited By:3

Abstract
Objective: to assess the effect of high intensity focused ultrasound (HIFU) on intraocular pressure (IOP) in dogs with primary glaucoma (PG).
Animals studied: seven dogs (13 eyes) presenting with PG as diagnosed by a raised IOP (> 20 mm Hg) associated with consistent gonioscopy and ultrasound biomicroscopy of the ciliary cleft, with no other ocular disease. Patients were divided into 3 groups, corresponding to their pre-operative IOP (group 1 ranging from 21 to 30 mm Hg, group 2 from 31 to 40 and group 3 for 40 and above).
Procedure: ciliary process sonication was achieved with a probe containing one high-frequency transducer operating at 21 MHz during 5 seconds. Six sites were treated in patients from group 1, 8 in group 2, 10 in group 3, under general anesthesia. Post-operative treatment consisted of systemic meloxicam and topical carbonic anhydrase inhibitors, beta-blockers and prostaglandins analogues.
Results: no intraoperative complications were observed. Conjunctival hyperaemia occurred in eyes from group 2 (66%) and 3 (100%). Conjunctival burns were visible in 2 patients from group 3. One patient from group 3 experienced a hypertensive spike during the first hours post-op with associated pain. The hypotensive effect of HIFU was observed in all groups. Normotensive IOP (¡Ü20 mm Hg) was reached in all patients until the last recheck at 6 months post op.
Conclusion: despite the small number of patients included in the study, HIFU appears to be a promising option for the management of PG in dogs.

Key words: Key words: primary glaucoma, dog, sonication, surgery, ciliary cleft


 
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How to Cite this Article
Pubmed Style

Isard P, Mentek M, Clément D, Béglé A, Romano F, Aptel F, Mathieson I, Dulaurent T. High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. Open Vet J. 2018; 8(3): 305-312. doi:10.4314/ovj.v8i3.9

Web Style

Isard P, Mentek M, Clément D, Béglé A, Romano F, Aptel F, Mathieson I, Dulaurent T. High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. https://www.openveterinaryjournal.com/?mno=290534 [Access: May 09, 2025]. doi:10.4314/ovj.v8i3.9

AMA (American Medical Association) Style

Isard P, Mentek M, Clément D, Béglé A, Romano F, Aptel F, Mathieson I, Dulaurent T. High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. Open Vet J. 2018; 8(3): 305-312. doi:10.4314/ovj.v8i3.9


Vancouver/ICMJE Style

Isard P, Mentek M, Clément D, Béglé A, Romano F, Aptel F, Mathieson I, Dulaurent T. High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. Open Vet J. (2018), [cited May 09, 2025]; 8(3): 305-312. doi:10.4314/ovj.v8i3.9


Harvard Style

Isard, P., Mentek, . M., Clément, . D., Béglé, . A., Romano, . F., Aptel, . F., Mathieson, . I. & Dulaurent, . T. (2018) High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. Open Vet J, 8 (3), 305-312. doi:10.4314/ovj.v8i3.9


Turabian Style

Isard, Pierre-francois, Marielle Mentek, David Clément, Aurélie Béglé, Fabrice Romano, Florent Aptel, Iona Mathieson, and Thomas Dulaurent. 2018. High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. Open Veterinary Journal, 8 (3), 305-312. doi:10.4314/ovj.v8i3.9


Chicago Style

Isard, Pierre-francois, Marielle Mentek, David Clément, Aurélie Béglé, Fabrice Romano, Florent Aptel, Iona Mathieson, and Thomas Dulaurent. "High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study." Open Veterinary Journal 8 (2018), 305-312. doi:10.4314/ovj.v8i3.9


MLA (The Modern Language Association) Style

Isard, Pierre-francois, Marielle Mentek, David Clément, Aurélie Béglé, Fabrice Romano, Florent Aptel, Iona Mathieson, and Thomas Dulaurent. "High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study." Open Veterinary Journal 8.3 (2018), 305-312. Print. doi:10.4314/ovj.v8i3.9


APA (American Psychological Association) Style

Isard, P., Mentek, . M., Clément, . D., Béglé, . A., Romano, . F., Aptel, . F., Mathieson, . I. & Dulaurent, . T. (2018) High Intensity Focused Ultrasound cyclocoagulation in dogs with primary glaucoma: a preliminary study. Open Veterinary Journal, 8 (3), 305-312. doi:10.4314/ovj.v8i3.9


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