Mitral Valve Replacement with a Mechanical Valve for Severe Mitral Regurgitation in a Small Dog

Author:

Taguchi Daisuke12,Kanemoto Isamu1,Yokoyama Satoko13,Mizuno Masashi14,Washizu Makoto5

Affiliation:

1. Chayagasaka Animal Hospital, 1-1-5 Shinnishi, Chikusa, Nagoya, Aichi 464-0003, Japan

2. Green Animal Hospital, 179 Tamakake-maeda, Nanbu, Sannohe, Aomori 039-0101, Japan

3. Miyashita Animal Hospital, 5-8-29 Keigoya, Kure, Hiroshima 737-0012, Japan

4. Veterinary Internal Medicine of Nihon University, 1866 Kameino, Fujisawa, Kanagawa 252-8510, Japan

5. Animal Teaching Hospital of Gihu University, 1-1 Yanagido, Gifu 501-1193, Japan

Abstract

A seven-year-old Shih Tzu with refractory repeated pulmonary edema and syncope was presented for surgical operation. From the results of cardiovascular examinations, the dog was diagnosed as severe mitral regurgitation (ACVIM consensus class D) and mild tricuspid regurgitation. The dog first underwent surgery with mitral valve plasty; however, the results were unsatisfactory due to severe damage of the whole mitral valve. The operation was quickly changed to mitral valve replacement using a mechanical valve (19 mm). The dog survived surgery and lived for 2 years and one month after operation using long-term anticoagulant (warfarin) therapy in spite of several thrombosis-related events.

Publisher

Hindawi Limited

Subject

General Veterinary

Reference23 articles.

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