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Original Article
Regional differences in phylogenetic group of Escherichia coli strains isolated from children with urinary tract infection in Korea
Ui-Yoon Choi, Seung Beom Han, Soo Young Lee, Jin Han Kang, Sun Mi Kim, Sang Hyuk Ma
Clin Exp Pediatr. 2012;55(11):420-423.   Published online November 23, 2012
Purpose

We phylogenetically analyzed the Escherichia coli strains isolated from children with urinary tract infection (UTI) in 2 regions of Korea. Virulence factors (VFs) and antibiotic resistance of the strains were also determined to compare the possible differences.

Methods

A total of 138 E. coli strains were collected from the 2 regions; Gyeongin (78 strains) and Gyeongnam (60 strains). The phylogenetic groups were...

The immunogenicity and reactogenicity of Td booster vaccination in Korean preadolescents, aged with 11-12 years old
Soo Young Lee, Ga Young Kwak, Hye Rin Mok, Jong Hyun Kim, Jae Kyun Hur, Kyung Il Lee, Park Joon Su, Sang Hyuk Ma, Hwang Min Kim, Jin Han Kang
Clin Exp Pediatr. 2008;51(11):1185-1190.   Published online November 15, 2008
Purpose : This study was undertaken to evaluate the immunogenicity and reactogenicity of Td booster immunization in early preadolescents of Korea. Methods : Healthy preadolescents, who had been vaccinated with 4 or 5 doses of DTaP vaccines until 6 years old age, were enrolled in this study from August 2006 to April 2007. Diphtheria and tetanus anti-toxoid antibodies in sera were...
Susceptibility tests of oral antibiotics including cefixime against Escherichia coli, isolated from pediatric patients withcommunity acquired urinary tract infections
Soo Young Lee, Jung Hyun Lee, Jong Hyun Kim, Jae Kyun Hur, Sun Mi Kim, Sang Hyuk Ma, Jin Han Kang
Clin Exp Pediatr. 2006;49(7):777-783.   Published online July 15, 2006
Purpose : Urinary tract infection(UTI) is one of the most frequent infections in children. E. coli is the most frequent etiological micropathogen in pediatric community UTI, and E. coli has developed resistance to many antibiotics, highlighting the need for regular surveys of this organism resistant patterns in the community. The aim of this study was to determine the oral antibiotic...
Clinical Lecture
Acute infectious Diarrhea in Pediatirc Patients
Sang Hyuk Ma
Clin Exp Pediatr. 2005;48(3):235-250.   Published online March 15, 2005
Acute diarrhea is one of the most common diseases that are seen in pediatric patients. In the management of acute diarrhea, several differential diagnostic criteria should be considered based on clinical and/or laboratory findings. These criteria include : ① normal variant stool versus diarrhea ② infectious versus non-infectious condition and ③ bacterial versus non-bacterial etiology. The use of antibiotics should...
Original Article
Penicillin Resistant Distribution and in-vitro Susceptibility of Oral Antibiotics against Streptococcus pneumoniae, isolated from Pediatric Patients with Community- Acquired Respiratory Infections in Korea
Jin Han Kang, Sun Mi Kim, Jong Hyun Kim, Hur Jae Kyun, Kyung Yil Lee, Young Ku Shin, Su Eun Park, Sang Hyuk Ma, Young Jin Hong
Clin Exp Pediatr. 2005;48(1):40-47.   Published online January 15, 2005
Purpose : S. pneumoniae is one of major pathogens of community-acquired respiratory infections. The rate of antibiotic resistance to this organism has increased, and resistance to multiple antimicrobial agents in a single strain of S. pneumoniae may compromise the efficacy of empiric antimicrobial treatment commonly used for respiratory infections. We did this study to find out the penicillin resistant distributions...
Epidemiological Study of Pneumococcal Nasal Carriage and Serotypes Among Korean Children
Sun Mi Kim, Jae Kyun Hur, Kyung Yil Lee, Young Kil Shin, Su Eun Park, Sang Hyuk Ma, Ahn Youn Min, Jin Han Kang
Clin Exp Pediatr. 2004;47(6):611-616.   Published online June 15, 2004
Purpose : The aim of this study was to determine the prevalence of pneumococcal nasal carriage and confirm the distribution of pneumococcal capsular serotypes in Korean children below aged 5 years old. Another reason this study was performed was to identify the theoretical coverage by seven valent conjugate pneumococcal vaccine, and confirm the penicillin resistant rate. Methods : This study included...
Bronchoalveolar Cellularity and IL-8 Levels in Patients with Post-measles Wheezing
Da Eun Jung, Byeong Eui Kim, Ju Young Chung, Jeong Yeon Kim, Sang Hyuk Ma, Chang Keun Kim
Clin Exp Pediatr. 2003;46(8):763-768.   Published online August 15, 2003
Purpose : This study was conducted to investigate the pulmonary cellular profiles and IL-8 levels in patients with post-measles wheezing. Methods : Twelve previously healthy infants with a minimum of three episodes of wheezing after measles pneumonia(Measles wheezing, median age, 1.3 years) were recruited by a retrospective examination of hospital records. They underwent bronchoalveolar lavage(BAL) with flexible bronchoscopy, and high-resolution computed...