Publications by authors named "Jonas Takada"

Endoscopic retrograde cholangiopancreatography (ERCP) is the treatment of choice in patients with choledocholithiasis. However,despite its high success rate, in some cases it is not successful, requiring alternative therapy. Billroth II partial gastrectomy is a condition associated with an important failure rate of ERCP.

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Biliary ileusis a uncommon cause of mechanical bowel obstruction, affecting older adult patients who often have other significant medical conditions. It is caused by intestinal impaction of a gallstone that enters the bowel via a cholecysto-enteric fistula. The mortality rate is considerable, ranging between 12 and 27%.

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The choice treatment for choledocholithiasis when associated with lithiasic cholecystitis is endoscopic retrograde cholangiopancreatography (ERCP). However, in some cases this therapeutic fails, which requires an alternative method to extract the stones. The surgical approach tends to be the next step, but it is related to greater complexity of achievement and higher complications rates.

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We report a patient with diffuse peritonitis due to perforation of Meckel's diverticulum. This patient was referred to the operating room and underwent bowel resection segment encompassing the area of the diverticulum and terminoterminal primary enteroanastomosis on two levels with good evolution. The diverticulum complications are often related to the presence of ectopic mucosa, specially the gastric and pancreatic type.

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Objective: Describe a case series of endoscopic ultrasound (EUS)-guided choledochoduodenostomy (EUS-CD) associated with duodenal self-expandable metal stents (SEMS) placement using solely the linear echoendoscope in seven patients with obstructive jaundice and duodenal obstruction due to unresectable periampullary cancer.

Material And Methods: EUS-CD in the first portion of the duodenum, associated with duodenal SEMS placement was performed in seven patients with unresectable periampullary cancer with obstructive jaundice and invasive duodenal obstruction. Laboratory tests and clinical follow-up were performed until patient's death.

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The authors report the case of a female patient submitted to endoscopic cholangiography intending to drain the biliary tree due to jaundice. The patient had gastrointestinal deviation due to an advanced gastric cancer that evolved with a distal extrahepatic mass. Abdominal CT scan demonstrated a distal mass, extrahepatic biliary dilation and a normal intra-hepatic tree.

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Background: Self-expandable metal stents (SEMS) are often used for biliary drainage due to obstruction of neoplastic etiology, with better results than plastic stents, but seldom for biliary drainage of benign etiology.

Objective: Primary end point: Verify bile duct patency after placement of self-expandable metal and (multiple) plastic stents in patients with benign strictures resulting from bile duct surgery with follow-up above five years. Secondary end point: Evaluate long-term complication rate in patients with metal self-expandable and plastic stents.

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Background And Study Aims: Bleeding is not uncommon following endoscopic sphincterotomy. Supra-papillary puncture (SPP) might be safer than standard cannulation (SC) techniques in patients with coagulopathy. The aim of the study was to compare the safety and effectiveness of SPP and SC.

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Context: Endoscopic retrograde cholangiopancreatography (ERCP) is the procedure of choice for biliary decompression in patients with unresectable pancreatic cancer. However, it may be unsuccessful in 3 to 10% of cases. When ERCP is unsuccessful, the usual alternatives are percutaneous transhepatic biliary drainage or surgery.

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