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- W2922363339 abstract "Purpose: High-volume biliary output, or hypercholeresis, has been rarely reported and not well understood. We report a case of hypercholeresis leading to acute kidney injury and metabolic acidosis following percutaneous transhepatic decompression of a malignant biliary obstruction. Methods: Case: A 73-year-old female presented with one month of nausea, fatigue, weight loss and pruritus. Exam was notable for jaundice and scleral icterus. Labs revealed a total/direct bilirubin of 9.7/6.8 mg/dL and serum creatinine of 0.6 mg/dL. CT showed intrahepatic ductal dilatation without an obvious mass, and ERCP demonstrated a 2-3 cm stricture at the hilum which was brushed and stented; histopathology revealed a cholangiocarcinoma. MRCP confirmed a localized hilar IIIA tumor with persistent biliary dilatation; a percutaneous transhepatic cholangiogram (PTC) was performed, showing considerable dilatation of left ductal branches. An 8.5 French biliary Cope loop catheter was inserted with its tip in the duodenum and side holes in left main duct, with external drainage. Results: The patient was admitted for observation after PTC. Within 10 hours, she had 3750 mL of bile output from the drain; over the next 24 hours, she had 5425 mL of additional output. She then developed hypotension, hyperchloremic metabolic acidosis and oliguric, prerenal acute kidney injury with creatinine of 2.0 mg/dl. Over four days, she had 12.1 liters of bile output. Fluid analysis showed sodium 118 mEq/L, potassium 9.3 mEq/L, chloride 93 mEq/L and a bilirubin of 461 mcg/mL, without infection. She was rehydrated with >15 liters of lactated Ringer's, and her creatinine improved to baseline. Her drain output decreased after 4 days, and she underwent right hepatectomy, common bile duct resection and a Roux-en-Y left hepaticojejunostomy, doing well post-operatively. Conclusion: Discussion: Normal bile output ranges from 250-1100 mL daily, and although high-volume biliary output (>2000 mL/day) is rare, it has been reported with T-tube drainage after ductal exploration, a choledochocutaneous fistula, and after percutaneous transhepatic drainage of biliary obstruction. The reason for this increased output is unknown, but may be related to osmotic effects of bile acids after prolonged obstruction. Given the uncommon nature of hypercholeresis, there are no known predictors to allow providers to stratify a patient's risk after PTC, so awareness of this rare outcome is essential to adequately counsel patients." @default.
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- W2922363339 date "2010-10-01" @default.
- W2922363339 modified "2023-09-24" @default.
- W2922363339 title "How Much Bile is Too Much? A Case of Post-Obstructive Hypercholeresis" @default.
- W2922363339 doi "https://doi.org/10.14309/00000434-201010001-00518" @default.
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