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Review Article
Genetics of kidney development: pathogenesis of renal anomalies
Hyewon Hahn
Clin Exp Pediatr. 2010;53(7):729-734.   Published online July 31, 2010

Congenital anomalies of the kidney and urinary tract (CAKUT) account for more than 50% of abdominal masses found in neonates and involve about 0.5% of all pregnancies. CAKUT has a major role in renal failure, and increasing evidence suggests that certain abnormalities predispose to the development of hypertension and cardiovascular disease in adulthood. To understand the pathogenesis of human renal...

Acute renal failure in pediatrics
Hyewon Hahn
Clin Exp Pediatr. 2007;50(10):948-953.   Published online October 15, 2007
Acute renal failure is the generic term for an abrupt and sustained decrease in renal function resulting in retention of nitrogenous and non nitrogenous waste product. This may results in life threatening consequences including volume overload, hyperkalemia, and metabolic acidosis. Acute renal failure is both common and carries high mortality rate, but as it is often preventable, identification of patients...
Original Article
Follow-up of children with isolated microscopic hematuria detected in a mass school urine screening test
Mi-sun Yum, Hoe Soo Yoon, Joo Hoon Lee, Hyewon Hahn, Young Seo Park
Clin Exp Pediatr. 2006;49(1):82-86.   Published online January 15, 2006
Purpose : The isolated microscopic hematuria is the most common abnormality detected by school urinary screening, but there is no consensus about the range of investigations and long-term outcomes of isolated hematuria in children yet. This study aims to elucidate the prognosis of hematuria and the range of diagnostic studies by follow-up results. Methods : Students with isolated hematuria who were...
1 year follow-up results of prenatally diagnosed unilateral hydronephrosis according to renal sonographic findings at 1 month of age
Hoe-Soo Yoon, Mi Sun Yum, Joo Hoon Lee, Young Seo Park, Kun Seok Kim, Chong Hyun Yoon, Dae Hyuk Moon, Hyewon Hahn
Clin Exp Pediatr. 2006;49(1):64-70.   Published online January 15, 2006
Purpose : The natural courses of prenatally diagnosed hydronephrosis(HN) are diverse. Our purpose was to determine if the findings of renal ultrasonography(USG) in patients with prenatal HN at 1 month of age can predict the 1 year follow-up results and determine the guideline of follow-up study. Methods : Among 462 hydronephrotic patients registered between 1996 and 2004, 153 unilateral hydronephrotic renal...
A Clinical Study of Acute Poststreptococcal Glomerulonephritis in Children, from 1994 to 2003
So Eun Koo, Hyewon Hahn, Young Seo Park
Clin Exp Pediatr. 2005;48(6):606-613.   Published online June 15, 2005
Purpose : Acute poststreptococcal glomerulonephritis(APSGN) is a common form of glomerulonephritis in children. Most patients recover completely after the acute phase but a few patients have acute complications or progress to chronic renal disease. In recent years, the frequency of APSGN has been was decreasing but is still common in children. So we studied the clinical characteristics of APSGN from...
Outcome of Continuous Renal Replacement Therapy in Children
Yeon Jung Lim, Hyun-seung Jin, Hyewon Hahn, Sei Ho Oh, Seong Jong Park, Young Seo Park
Clin Exp Pediatr. 2005;48(1):68-74.   Published online January 15, 2005
Purpose : There is growing use of continuous renal replacement therapy(CRRT) for pediatric patients, but reports about the use and outcome of CRRT in children is rare in Korea. We report our experiences of CRRT in critically ill pediatric patients. Methods : We reviewed the medical records of 23 pediatric patients who underwent CRRT at Asan Medical Center between May 2001...
Case Report
Three Cases of Hypercalcemia Due to Vitamin D Intoxication in Infancy
Jin-Ho Choi, Mi-Sun Yum, Hyewon Hahn, Young Seo Park
Clin Exp Pediatr. 2004;47(3):332-337.   Published online March 15, 2004
Hypercalcemia in infancy is an uncommon disorder but has a potential of serious sequelae. Therefore, infants with hypercalcemia must be promptly investigated and need urgent management. We report three cases of infantile hypercalcemia caused by vitamin D intoxication, emphasizing diagnostic investigations and the course of treatment. The first and the second cases were thought to be vitamin D intoxication without...
Clinical Lecture
Continuous Renal Replacement Therapy in Pediatrics
Hyewon Hahn, Young Seo Park
Clin Exp Pediatr. 2004;47(1):1-5.   Published online January 15, 2004
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