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KMID : 1094020080250050385
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Journal of Veterinary Clinics
2008 Volume.25 No. 5 p.385 ~ p.390
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Ahmed Valve Implantation for Early Glaucoma Treatment in Dogs
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Park Shin-Ae
Jeong Man-Bok
Park Young-Woo
Kim Won-Tae
Kim Se-Eun
Seo Kang-Moon
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Abstract
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The purpose of this study was to compare the long term prognosis of Ahmed valve implantation and medical therapy in dogs with early primary glaucoma. The medical records of dogs with early primary glaucoma from the Veterinary Medical Teaching Hospital of Seoul National University between January 2005 and May 2008 were reviewed. Five dogs underwent Ahmed valve implantation and medical therapy was performed in six dogs. Breeds of the dogs included Shih Tzu(n = 7), American cocker spaniel(n = 2), and miniature poodle(n = 2). Adequate intraocular pressure(IOP) was better maintained in the Ahmed valve implantation group than in the medical treatment group throughout the follow-up period. Mean time for vision loss to develop after treatment in the Ahmed valve implantation group( days) was significantly longer than that in medical treatment group( days, p < 0.05). Post-operative complications included occlusion of the tube by fibrin in the anterior chamber (n = 1), fibrous capsule about the episcleral base of the device(n = 1), and dislocation of the valve body(n = 1). It is considered that Ahmed valve implantation is more effective strategy to control IOP and maintain vision than medical treatment in early glaucomatous dogs.
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KEYWORD
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Ahmed valve, dog, IOP, glaucoma, vision
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