Ki Bae Kim

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Endoscopy for acute nonvariceal upper gastrointestinal bleeding plays an important role in primary diagnosis and management, particularly with respect to identification of high-risk stigmata lesions and to providing endoscopic hemostasis to reduce the risk of rebleeding and mortality. Early endoscopy, defined as endoscopy within the first 24 hours after(More)
The effects of histone deacetylase (HDAC) inhibitors on epithelial-mesenchymal transition (EMT) differ in various types of cancers. We investigated the EMT phenotype in four colon cancer cell lines when challenged with HDAC inhibitors trichostatin A (TSA) and valproic acid (VPA) with or without transforming growth factor-β1 (TGF-β1) treatment. Four colon(More)
BACKGROUND/AIMS Ampullary tumors come in a wide variety of malignant forms. We evaluated the diagnostic accuracy of endoscopy for ampullary tumors, and analyzed the causes of misdiagnosis. METHODS We compared endoscopic imaging and biopsy results to final diagnoses. Types of endoscope, numbers of biopsy specimens taken, and final diagnoses were evaluated(More)
Ceftriaxone is widely used in patients for the treatment of serious gram-negative infections. Ceftriaxone can induce some potential side effects, including neurotoxicity, however, nonconvulsive status epilepticus has rarely been reported. We report a case of acute reversible neurotoxicity associated with ceftriaxone. A 65-yr-old woman with chronic kidney(More)
BACKGROUND/AIMS 18F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) has been used for preoperative staging of colorectal cancer (CRC). However, the diagnostic accuracy of FDG-PET/CT for detection of lymph node or distant metastasis and its prognostic role have not been well established. We therefore evaluated the diagnostic(More)
AIM To measure exogenous corticotropin-releasing factor (CRF)-induced motility of the isolated rat colon and to demonstrate the effect of pharmacologic inhibition on CRF-induced motility. METHODS The isolated vascularly-perfused rat colon was used. Luminal pressure was monitored via microtip catheter pressure transducers in the proximal and distal colon.(More)
Most infants with repaired gastroschisis develop normally and remain in good health. About 10% of patients with gastroschisis have other malformations. We report a case of choledocholithiasis and intestinal malrotation in an adolescent with repaired gastroschisis. A 17-year-old girl presented with fever, jaundice, and abdominal pain. She had undergone an(More)
BACKGROUND Acute cholangitis in old people is a cause of mortality and prolonged hospital stay. We evaluated the effects of methods and timing of biliary drainage on the outcomes of acute cholangitis in elderly and very elderly patients. METHODS We analyzed 331 patients who were older than 75 years and were diagnosed with acute calculous cholangitis. They(More)
AIM To assess the efficacy and safety of a patient-positioning device (EZ-FIX) for endoscopic retrograde cholangiopancreatography (ERCP). METHODS A total of 105 patients were randomized to the EZ-FIX (n = 53) or non-EZ-FIX (n = 52) group in this prospective study. Midazolam and propofol, titrated to provide an adequate level of sedation during therapeutic(More)