RESUMEN
Anomalous aortic origin of the right coronary artery is a rare coronary anomaly which, in a minority of cases, can cause clinical manifestations such as ischemic chest pain or arrhythmic syncope. We describe a case of anomalous aortic origin of the right coronary artery characterized by signs of left heart failure associated with ventricular tachycardia.
Asunto(s)
Aorta Torácica/anomalías , Anomalías de los Vasos Coronarios/diagnóstico , Taquicardia Ventricular/diagnóstico , Disfunción Ventricular Izquierda/diagnóstico , Adulto , Aorta Torácica/cirugía , Angiografía Coronaria , Anomalías de los Vasos Coronarios/cirugía , Diagnóstico Diferencial , Electrocardiografía , Humanos , Masculino , Revascularización Miocárdica , Taquicardia Ventricular/cirugía , Disfunción Ventricular Izquierda/cirugíaRESUMEN
Mechanical aortic prosthesis dysfunction can result from thrombosis or pannus formation. Pannus formation usually restricts systolic excursion of the occluding disk, resulting in progressive stenosis of the aortic prosthesis. Intermittent dysfunction of a mechanical aortic prosthesis is usually ascribed to thrombus formation. We describe an unusual case of intermittent, noncyclic dysfunction of a mechanical aortic prosthesis due to pannus formation in the absence of systolic restriction of disk excursion that presented with intermittent massive aortic regurgitation, severe ischemia, and shock. Pannus formation should be considered as a potential cause of acute intermittent severe aortic regurgitation in a patient with a mechanical aortic prosthesis.