Browsing by Author "Prado Sanhueza, María Alejandra"

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    Enfermedad vesicular inaparente o microlitiasis en pacientes con pancreatitis aguda: Una situación clínica frecuente
    (1997) Miquel Poblete, Juan Francisco; Prado Sanhueza, María Alejandra; Asahi Kodama, Harumi Paz; Ibáñez Anrique, Luis Alberto; Guzmán Bondiek, Sergio; Cruz Olivos, Francisco; Rollan Rodríguez, Antonio Rafael; Nervi Oddone, Flavio
    Background: Patients with acute pancreatitis (AP) and a normal gallbladder by standard echographic evaluation may have "occult" gallbladder disease or microlithiasis with recurrent episodes of AP. Aim: To conduct a prospective evaluation of patients with the diagnosis of non-biliary AP in order to detect "occult" gallbladder disease and to compare its clinical presentation with that of biliary AP. Patients and methods: Patients admitted with the diagnosis of AP to a clinical hospital were included in the study. According to an abdominal ultrasound study, patients were classified as having or not cholelithiasis. A duodenal biliary drainage was performed in 15 patients with AP and without gallbladder stones. Results: Patients without cholelithiasis had recurrent AP more often than patients with biliary AP (53 and 33% respectively). Excessive alcohol ingestion did not rule out the possibility of biliary etiology. In 6 patients, the analysis of duodenal bile showed cholesterol crystals, and cholecystectomy confirmed the existence of gallbladder disease in 5. All of them remained asymptomatic during a follow-up period of four years. One patient refused surgery, with subsequent development of gallstones and recurrent episodes of AP. In other 4 patients, gallbladder disease was confirmed by percutaneous gallbladder puncture or during cholecystectomy. No recurrence of AP were observed during the follow-up. Conclusions: Microlithiasis or "occult" gallbladder disease accounts for at least 67% of the original "non-biliary" AP. Duodenal bile analysis is a useful and necessary technique for the evaluation of patients with "non-biliary" acute pancreatitis'. Careful clinical and echographic follow-up of this subgroup of patients with AP is mandatory.
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    Síndrome febril prolongado : un desafío para el infectólogo pediatra
    (2014) Sandoval, Carmen; Pinochet, Constanza; Peña Donati, Anamaría; Rabello, Marcela; Prado Sanhueza, María Alejandra; Viviani Salgado, Tamara Nieves