RESUMEN
We report the case of a 69 year-old female, with cardiac disease, hypertension, and chronic renal failure treated by hemodialysis; she had several episodes of gastrointestinal hemorrhage, which could not be diagnosed by conventional methods. Digital angiographic study demonstrated the exact cause: it allowed to localize an arterio-venous malformation. A right hemicolectomy was performed and the pathologic study showed the presence of an arteriovenous fistula. Three years later the patient is free of symptoms. We recommend digital angiography in cases of gastrointestinal hemorrhage of unknown or unclear etiology, particularly in patients in chronic renal failure, on the basis of the association of hemodialysis and arteriovenous malformation.
Asunto(s)
Angiografía de Substracción Digital , Fístula Arteriovenosa/diagnóstico por imagen , Ciego/irrigación sanguínea , Anciano , Fístula Arteriovenosa/complicaciones , Femenino , Hemorragia Gastrointestinal/etiología , Humanos , Fallo Renal Crónico/complicaciones , Fallo Renal Crónico/terapia , Melena/etiología , Diálisis RenalRESUMEN
We present a case of therapeutic embolization in a patient with adenocarcinoma who demonstrated the presence of gas in the renal infarcted tissue on the second day. The pattern of air distribution was intravascular. There was no sign of abscess clinically or radiographically. To the syndrome of postembolization we add a new sign--the presence of postembolization air.