RESUMEN
Radiofrequency (RF) catheter ablation is the curative treatment of choice for atrioventricular (AV) nodal reentrant tachycardia (AVNRT). Analogous to the development of surgical techniques, catheter ablation has evolved from AV nodal ablation to selective "fast" and "slow" pathway ablation. "Slow" ablation is now the method of choice because of the lower incidence of associated AV block. Though slow pathway ablation can be achieved with equal success using either the anatomic or the electrogram-guided approach, fewer applications of RF energy are required for the potential-guided technique.
Asunto(s)
Ablación por Catéter/métodos , Humanos , Taquicardia por Reentrada en el Nodo Atrioventricular/cirugía , Resultado del TratamientoAsunto(s)
Adulto , Anciano , Disección Aórtica/diagnóstico por imagen , Angioplastia Coronaria con Balón/instrumentación , Aneurisma Coronario/diagnóstico por imagen , Angiografía Coronaria , Puente de Arteria Coronaria , Enfermedad Coronaria/diagnóstico por imagen , Oclusión de Injerto Vascular/diagnóstico por imagen , Humanos , Masculino , Persona de Mediana Edad , Recurrencia , StentsRESUMEN
A retrospective analysis of 680 Percutaneous Transluminal Coronary Angioplasties (PTCA) performed from April 1986 to October 1990 revealed that 81 patients had PTCA performed on 86 totally occluded coronary arteries (1.06 lesions/patient). Four of the 86 were acute occlusions. Angiographic success in the group as a whole was achieved in 57 (66%). Multivariate analysis identified only the target vessel as a statistically significant factor predictive of angiographic success from among a host of clinical and angiographic morphologic variables. Left anterior descending artery lesions were identified with the highest success. In addition the duration of occlusion was significantly lower for the successfully versus the unsuccessfully dilated chronic occlusions.
Asunto(s)
Adulto , Anciano , Angioplastia Coronaria con Balón/instrumentación , Angiografía Coronaria , Diseño de Equipo , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Infarto del Miocardio/diagnóstico por imagen , Estudios RetrospectivosRESUMEN
A case of Von Hippel-Lindau's disease lacking the classical Lindau's tumour is reported. The uncommon features of this case are highlighted and the relevant literature is briefly outlined.