The use of potentially hepatotoxic herbal and dietary supplements is highly prevalent in the fulminant hepatic failure (FHF) patient population at our institution, and this subgroup of patients has a worse prognosis.Design: Retrospective case series.Settings: An adult tertiary care university hospital and a Veterans Affairs hospital in Oregon.Patients: All patients referred to the liver transplantation service for FHF from January 2001 through October 2002 (N = 20). We defined FHF as onset of encephalopathy within 8 weeks of onset of jaundice in the absence of preexisting liver disease. All patients underwent investigation for potential causes of liver injury. Potentially hepatotoxic supplements were defined as those with previously published reports of hepatic injury related to their use.Results: Ten patients (50%) were recent or active users of potentially hepatotoxic supplements or herbs; 10 had no history of supplement use. In the supplement group, 7 patients (35%) had no other identified cause for hepatic failure. Six patients in the supplement group and 2 patients in the nonsupplement group underwent orthotopic liver transplantation. Five patients in each group died. There were no significant differences in transplantation rate (P=.07) or survival (PϾ.99) between groups. Supplement use alone accounted for the most cases of FHF during this period, exceeding acetaminophen toxicity and viral hepatitis.
Patients allowed to have a limited low-residue diet before colonoscopy achieve a bowel prep quality that is noninferior to patients on a strict clear liquid diet limitation. Furthermore, polyp detection rates, patient tolerance, and patient acceptance were similar between the 2 groups.
An unusual cause of upper gastrointestinal bleeding is described in a previously healthy 45-year-old man who was admitted to hospital with weakness and fatigue, and had experienced an episode of melena two days before admission. His medical and surgical history was unremarkable. Upon admission to hospital, he showed evidence of iron-deficiency anemia, with a hemoglobin concentration of 61 g/L (normal range 135 to 175 g/L), a mean corpuscular volume of 73 fL (normal range 85.0 to 95.0 fL) and a ferritin concentration of 1.0 microg/L (normal range in males 15 to 400 microg/L). Upper gastrointestinal endoscopy revealed a 3.5 cm ulcerated submucosal mass in the third portion of the duodenum, for which mucosal biopsies were nondiagnostic. A subsequent endoscopic ultrasound revealed a 2.7 x 4.0 cm hyperechoic, cystic, submucosal tumour in the third portion of the duodenum. Endoscopic ultrasound-guided fine needle aspiration revealed no malignant cells. The patient eventually underwent a resection of the third portion of his duodenum. Surgical pathology revealed that this tumour was a Brunner's gland hamartoma, 4.5 cm in its greatest dimension.
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