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Volume 37, Number 3, June 2004

Group B streptococcal infections in children in a tertiary care hospital in southern Taiwan


Ching-Shu Wu, Shih-Min Wang, Wen-Chien Ko, Jiunn-Jong Wu, Yao-Jong Yang, Ching-Chuan Liu
Department of Pediatrics, Kangshan Hospital of Kaohsiung County, Kaohsiung; and Departments of Pediatrics, Emergency Medicine, 4Internal Medicine, and 5Medical Technology, National Cheng Kung University Medical College and Hospital, Tainan, Taiwan, ROC

Received: June 6, 2003    Revised: August 28, 2003    Accepted: September 29, 2003   

 

Corresponding author:

Dr. Ching-Chuan Liu, Department of Pediatrics, National Cheng Kung University Hospital, 138, Sheng Li Road, Tainan, Taiwan 704, ROC. E mail: liucc@mail.ncku.eud.tw This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

 



 

Methods:

Group B Streptococcus (GBS) is widely recognized as a leading cause of neonatal sepsis and meningitis. Recently, GBS infections in older children have been increasingly noted. This retrospective study investigated the clinical features, distribution of serotypes, and antimicrobial susceptibility of GBS isolates in a tertiary care center in southern Taiwan over a 12-year period. GBS isolates recovered from various infected sites in 54 children treated from June 1991 through December 2002 were studied. These children were divided into those with disease onset of up to 3 months of age (group 1) and those with disease onset after 3 months of age (group 2). Patients in group 1 were subdivided into early-onset disease (EOD, <7 days of age, 7/30) and late-onset disease (LOD, >7 days to 3 months of age, 23/30). Sepsis (90% vs 8%; p<0.01) and meningitis (40% vs 4.2%; p<0.01) were observed more frequently in group 1, whereas urinary tract infection (UTI; 45.8% vs 6.7%; p<0.01) and acute tonsillitis (33.3% vs 0%; p<0.01) were noted more frequently in group 2. Underlying conditions were more common in group 2 than in group 1 (50% vs 10%; p<0.01), especially in patients with UTI. The most frequently encountered serotype was serotype III (56%). Patients in group 1, especially those with LOD, and those who had meningitis or sepsis, were prone to develop serotype III infections (p<0.05). All isolates were susceptible to penicillin G and cephalothin. About 50% of isolates were susceptible to erythromycin, azithromycin, and to clindamycin. In conclusion, GBS infection in children has different characteristics in different age groups. Serotype III is the most prevalent serotype in children. GBS isolates in southern Taiwan are still very susceptible to penicillin G.



 

Key words:

Child, microbial susceptibility tests, newborn infant, Streptococcus agalactiae, serotyping



 



 

J Microbiol Immunol Infect 2004;37:169-175.