RESUMO
Left ventricular outflow tract obstruction is a rare and critical complication after mitral valve replacement. We report a patient who presented with severe left ventricular outflow tract obstruction caused by systolic anterior motion of the native mitral leaflet after aortic and mitral valve replacement. The patient was successfully treated by resection of the anterior mitral leaflet through the 19-mm bioprosthetic valve in the aortic position. This approach is quite simple and effective, even through the small aortic bioprosthesis, and does not require a second mitral valve replacement.
Assuntos
Valva Aórtica/cirurgia , Próteses Valvulares Cardíacas , Valva Mitral/fisiopatologia , Valva Mitral/cirurgia , Obstrução do Fluxo Ventricular Externo/fisiopatologia , Obstrução do Fluxo Ventricular Externo/cirurgia , Idoso de 80 Anos ou mais , Procedimentos Cirúrgicos Cardíacos/métodos , Feminino , Próteses Valvulares Cardíacas/efeitos adversos , Humanos , Obstrução do Fluxo Ventricular Externo/etiologiaRESUMO
We experienced extremely early aortic bioprosthetic valve deterioration with leaflet calcification and stiffening 2 1/2 years after aortic valve replacement in a female octogenarian. We could not identify the possible reason for this devastating complication; however, daily calcium supplement consumption may play a role of acceleration of calcium deposition in the leaflets of implanted bioprosthetic heart valves.
