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Clinical features and antibiotic sensitivity of invasive pneumococcal disease versus noninvasive pneumococcal disease in children
GUO Ying, QIAO Li-Na
Chinese Journal of Contemporary Pediatrics ›› 2021, Vol. 23 ›› Issue (5) : 466-470.
PDF(1194 KB)
PDF(1194 KB)
Clinical features and antibiotic sensitivity of invasive pneumococcal disease versus noninvasive pneumococcal disease in children
Objective To analyze the clinical data of children with invasive pneumococcal disease (IPD) or noninvasive pneumococcal disease (NIPD), and to provide a reference for clinical diagnosis and treatment. Methods A retrospective analysis was performed on the medical data and the drug susceptibility test results of isolated strains of 518 children who were hospitalized due to Streptococcus pneumoniae (SP) infection from January 2013 to December 2017. According to the location of the isolated strains, the children were divided into an IPD group with 35 children and an NIPD group with 483 children. Results The children with IPD had a median age of 2.2 years, and the children aged ≤5 years accounted for 80.0%. For the children with IPD, the main type of infection was meningitis which was observed in 19 children (54.3%), and the most common underlying disease was hematological malignancy in 8 children (22.9%); 14 children (40.0%) were admitted to the pediatric intensive care unit (PICU), 18 children (51.4%) experienced complications, and 8 children (22.9%) died. For the children with NIPD, the median age was 1.2 years; the main type of infection was pneumonia in 429 children (88.8%), and the most common underlying disease was congenital heart disease in 60 children (12.4%); 60 children (12.4%) were admitted to the PICU, 102 children (21.1%) experienced complications, and 11 children (2.3%) died. The IPD group had significantly higher incidence rate of complications, PICU admission rate, and mortality rate than the NIPD group (P < 0.01). The invasive SP strains had a significantly lower susceptibility rate to penicillin than noninvasive SP strains (68.6% vs 94.2%, P < 0.01). Conclusions SP infection is common in children under 5 years of age, and the children with underlying diseases including hematological malignancy are at high risk for IPD. Although the complication rate, PICU admission rate, and mortality rate of NIPD children are lower than those of IPD children, they still cannot be ignored. Penicillin may be used as an empirical treatment for children with NIPD, but not for those with IPD.
Invasive pneumococcal disease / Streptococcus pneumoniae / Clinical feature / Drug sensitivity / Child
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