Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi · 2019
The clinical implication of serotype distribution and drug resistance of invasive pneumococcal disease in children: A single center study in southern Taiwan during 2010-2016.
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Lee Meng-Chien, Kuo Kuang-Che
Аннотация
BACKGROUND: The regional study of pediatric invasive pneumococcal disease (IPD) is still limited in Taiwan. The aim of this study is to update the epidemiologic data of pediatric IPD in Taiwan, focusing on the trend of non-13-valent pneumococcal conjugate vaccines (PCV13)-specific serotypes and antimicrobial susceptibility.
METHODS: This was a single-center retrospective study by chart reviewing and recruited patients aged <18 years who were reported having IPD between January 2010 and December 2016. Clinical manifestations, serotypes of pneumococcus and antimicrobial susceptibility were compared and analyzed.
RESULTS: A total of 46 patients were enrolled in this study. Serotype 19 A was the most common serotype (32.6%) in pediatric IPD and significantly correlated with empyema. Non-PCV13-specific serotypes such as serotype 15, 15B, 15C and 22 were reported during this period. There was no mortality or significant morbidity associated with these emerging strains. Using the meningitis breakpoint of minimum inhibitory concentration (MIC), although it showed no significant linear trend of the prevalence of ceftriaxone non-susceptible pneumococcus (CNSP) (p = 0.392), the prevalence of CNSP increased from 50% (11 over 22) before 2013 to 83% (20 over 24) after 2013 with statistical significance (p = 0.027).
CONCLUSION: The increase in the prevalence of CNSP using meningitis breakpoint was observed since 2013. For treating pneumococcal meningitis, empirical therapy with vancomycin and ceftriaxone is warranted. Although the non-PCV13-specific serotypes reported in our study caused no morbidity and mortality, further monitoring and surveillance are still recommended.
METHODS: This was a single-center retrospective study by chart reviewing and recruited patients aged <18 years who were reported having IPD between January 2010 and December 2016. Clinical manifestations, serotypes of pneumococcus and antimicrobial susceptibility were compared and analyzed.
RESULTS: A total of 46 patients were enrolled in this study. Serotype 19 A was the most common serotype (32.6%) in pediatric IPD and significantly correlated with empyema. Non-PCV13-specific serotypes such as serotype 15, 15B, 15C and 22 were reported during this period. There was no mortality or significant morbidity associated with these emerging strains. Using the meningitis breakpoint of minimum inhibitory concentration (MIC), although it showed no significant linear trend of the prevalence of ceftriaxone non-susceptible pneumococcus (CNSP) (p = 0.392), the prevalence of CNSP increased from 50% (11 over 22) before 2013 to 83% (20 over 24) after 2013 with statistical significance (p = 0.027).
CONCLUSION: The increase in the prevalence of CNSP using meningitis breakpoint was observed since 2013. For treating pneumococcal meningitis, empirical therapy with vancomycin and ceftriaxone is warranted. Although the non-PCV13-specific serotypes reported in our study caused no morbidity and mortality, further monitoring and surveillance are still recommended.