Luis Angel Armstrong

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BACKGROUND ERCP is an important diagnostic and therapeutic tool in patients with biliary and pancreatic disease. Its utility and safety during pregnancy is largely unknown because it is not often required and because its use has been only infrequently reported in the published literature. OBJECTIVE Our purpose was to report the clinical experience with(More)
BACKGROUND Long-term and permanent biliary stenting have been reported in many studies and are infrequently practiced in selected patients with irretrievable common bile duct stones and biliary strictures. PATIENTS Here we report 3 new cases and review 7 other cases of de novo stent-stone complex formation after long-term biliary stent placement. (More)
Background Endoscopic hemostasis is commonly practiced during GI endoscopy practice. We hypothesized that, because the choice of endoscopic intervention is influenced by many factors, for example personal experience, prior training, guidelines, etc., there would be differences in practice patterns among different groups of endoscopists. Objective To explore(More)
Acute liver failure (ALF) is an uncommon manifestation of liver disease and constitutes a medical emergency for which early identification is necessary. Hepatic involvement by hematologic malignancies although frequent, rarely causes severe hepatic dysfunction. Even more, acute hepatic failure as the first manifestation of a hematologic malignancy is(More)
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