経皮的バルーン弁口拡大術を行った大動脈弁下狭窄症の犬の2例

小林 正行; 町田 登; 星 克一郎; 平尾 秀博; 清水 美希; 島村 俊介; 秋山 緑; 田中 綾; 丸尾 幸嗣; 山根 義久

doi:10.11276/jsvc.35.58

CASE REPORTS

Percutaneous Balloon Dilation for Two Canine Cases of Subaortic Stenosis

Masayuki KOBAYASHI, Noboru MACHIDA, Katsuichiro HOSHI, Hidehiro HIRAO, Miki SHIMIZU, Shunsuke SHIMAMURA, Midori AKIYAMA, Ryou TANAKA, Kohji MARUO, Yoshihisa YAMANE

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Keywords: balloon dilation, dog, subaortic stenosis

JOURNAL FREE ACCESS

2002 Volume 35 Issue 1 Pages 58-69

DOI https://doi.org/10.11276/jsvc.35.58

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Abstract

Percutaneous balloon dilation was performed on two canine cases of severe subaortic stenosis. As a result, Case 1 demonstrated the reduction of transaortic peak systolic pressure gradient from 128 mmHg to 75 mmHg. The dog has survived for 10 months after surgery in spite of one episode of syncope. Case 2 underwent cardiac arrest at the time of the balloon dilation, and was eventually euthanized owing to poor prognosis. This surgical procedure resulted in no satisfactory improvement. Terefore, indication of balloon dilation for canine subaortic stenosis should be carefully assessed and its efficacy for severe subaortic stenosis remains controversial.

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