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Original Article
Comparison of polyethylene glycol 4000 and lactulose for treatment of chronic functional constipation in children
Ji Hyun Uhm
Clin Exp Pediatr. 2007;50(8):752-756.   Published online August 15, 2007
Purpose : The aim of this study was to compare 2 laxatives, namely, polyethylene glycol 4000 without electrolytes and lactulose, evaluating the efficacy and safety for the treatment of constipation in children. Methods : Fifty-six children with chronic functional constipation were randomly assigned to receive polyethylene glycol 4000 (24 patients) or lactulose (32 patients). Patients or their parents reported defecation frequency,...
Characteristics of functional gastrointestinal disorders in children with chronic abdominal pain
Ji Hyun Uhm
Clin Exp Pediatr. 2007;50(7):655-659.   Published online July 15, 2007
Purpose : The aim of this study was to document the causes of chronic abdominal pain in children referred to a hospital setting and evaluate the frequency and characteristics of functional gastrointestinal disorder (FGID) classified by Rome III criteria. Methods : One hundred thirty two patients with chronic abdominal pain were evaluated. Examinations were performed in order to find organic...
Therapeutic Effect of Helicobacter pylori Eradication in Children with Recurrent Abdominal Pain Associated with H. pylori
Ji Hyun Uhm, Ki Sup Chung
Clin Exp Pediatr. 2004;47(5):547-554.   Published online May 15, 2004
Purpose : In order to clarify the role of Helicobacter pylori(H. pylori) in recurrent abdominal pain, we investigated prospectively the effect of eradication of H. pylori based on symptom improvement in children with recurrent abdominal pain. Methods : Children with recurrent abdominal pain were evaluated with diagnostic upper gastrointestinal endoscopy to rule out peptic ulcer disease, etc. During endoscopy, biopsies were...
The Usefulness of MRCP in the Evaluation of Pancreaticobiliary Diseases in Children
Ji Hyun Uhm, Seung Yeon Lee, Ki Sup Chung
Clin Exp Pediatr. 2002;45(11):1381-1388.   Published online November 15, 2002
Purpose : Magnetic resonance cholangiopancreatography(MRCP) is a noninvasive method for imaging the pancreaticobiliary tree. The aim of this study was to evalute the usefulness of MRCP for the diagnosis of pancreaticobiliary diseases in children. Methods : From October 1996 to May 2001, 67 patients with obstructive jaundice and three patients with chronic recurrent pancreatitis were evaluated with abdominal ultrasonography and...
Case Report
A Case of Wilms Tumor with Thrombi which Invaded the Right Ventricule
Ji Hyun Uhm, Sung Chul Won, Chuhl Joo Lyu, Chang Hyun Yang, Byung Soo Kim, Eui Ho Hwang, Young Hwan Park, Chang Ok Seo
Clin Exp Pediatr. 2002;45(3):390-394.   Published online March 15, 2002
College of Medicine, Yonsei University, Seoul, Korea Wilms tumor is the second most common malignant retroperitoneal tumor. Inferior vena cava and right atrial involvement is found in about 4-10% and 0.5-3% of cases, respectively. But, right ventricular involvement has not been reported. We experienced a case of Wilms tumor with right ventricular invasion in a 2 year-old male who presented intermittent...