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J Vet Cardiol ; 23: 88-95, 2019 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-31174733

RESUMO

An 8-month-old intact female pug was presented for evaluation and possible balloon valvuloplasty (BV) for severe aortic stenosis. A bicuspid, severely stenotic aortic valve of type 3 morphology with a supravalvar stenosis component was diagnosed, consistent with the diagnosis of atypical Shone's complex. There was severe concentric hypertrophy of the left ventricle, with increased echogenicity of the myocardium nearest to the endocardial border. Mild left atrial enlargement was observed. Selective angiography and transesophageal echocardiography revealed an enlarged and relatively tortuous ascending aorta. The changes to the ascending aorta and the anatomy of the lesion made retrograde access to the left ventricle challenging. Ultimately, BV was successful using a pediatric valvuloplasty balloon catheter and rapid right ventricular pacing, and the pressure gradient across the aortic valve was decreased by more than 50% compared with preoperative measurements. Although valvar aortic stenosis is rare in veterinary medicine, this report highlights the potential challenges and feasibility of BV for this disease.


Assuntos
Estenose Aórtica Supravalvular/veterinária , Valva Aórtica/anormalidades , Valvuloplastia com Balão/veterinária , Doenças do Cão/terapia , Doenças das Valvas Cardíacas/veterinária , Animais , Estenose Aórtica Supravalvular/diagnóstico por imagem , Estenose Aórtica Supravalvular/terapia , Valva Aórtica/diagnóstico por imagem , Doença da Válvula Aórtica Bicúspide , Doenças do Cão/diagnóstico por imagem , Cães , Ecocardiografia/veterinária , Ecocardiografia Transesofagiana/veterinária , Feminino , Doenças das Valvas Cardíacas/diagnóstico por imagem , Doenças das Valvas Cardíacas/terapia
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