Gerlach K F, Skrodzki M, Trautvetter E
Klinik und Poliklinik für kleine Haustiere, Freien Universität Berlin.
Tierarztl Prax Ausg K Kleintiere Heimtiere. 1997 Nov;25(6):643-50.
Valvular pulmonic stenosis was diagnosed in three dogs with an age between four and eight months. The clinical signs related the severeness of the stenosis. The three dogs showed electrocardiographic and radiographic evidence of right ventricular enlargement. The haemodynamic assessment was based on Doppler echocardiography and cardiac catheterisation. The bloodflow above the pulmonic valve was 4.8; 5.8 and 6.0 m/sec; the systolic pressure gradient between the right ventricle and the pulmonic artery 115, 110 and 122 mmHg. Because of the severeness and localisation of the stenosis the three dogs underwent balloon valvuloplasty. After management the dogs showed a decrease of the systolic pressure gradient (40 and 45 mmHg) and a decrease of the transvalvular bloodflow (1.8; 2.1 and 4.4 m/sec). Some days after the intervention the dogs were clinically asymptomatic. This paper shows that balloon valvuloplasty is a proper technique for relief of valvular pulmonic stenosis in the dog.
三只年龄在4至8个月之间的犬被诊断出患有瓣膜性肺动脉狭窄。临床症状与狭窄的严重程度相关。这三只犬表现出右心室增大的心电图和影像学证据。血流动力学评估基于多普勒超声心动图和心导管检查。肺动脉瓣上方的血流速度分别为4.8、5.8和6.0米/秒；右心室与肺动脉之间的收缩压梯度分别为115、110和122毫米汞柱。由于狭窄的严重程度和位置，这三只犬接受了球囊瓣膜成形术。治疗后，犬的收缩压梯度降低（40和45毫米汞柱），跨瓣膜血流减少（1.8、2.1和4.4米/秒）。干预几天后，犬在临床上无症状。本文表明，球囊瓣膜成形术是缓解犬瓣膜性肺动脉狭窄的一种合适技术。
