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Published on: August 30, 2018
Evaluating antibiotic regimens for streptococcal toxic shock syndrome in children
Haixia Zhang1, Jie Dong2, Jiaotian Huang3
1Department of Pharmacy, Hunan Children's Hospital, Changsha, China.
Insights
Pediatric Streptococcal toxic shock syndrome (STSS) treatment is most effective with penicillin-based regimens. Early intervention with beta-lactam antibiotics, clindamycin, and IVIG improves outcomes for children with this severe Streptococcus pyogenes infection.
Area of Science:
- Infectious Diseases
- Pediatric Critical Care
- Microbiology
Background:
- Streptococcal toxic shock syndrome (STSS) is a severe, life-threatening condition caused by Streptococcus pyogenes infections in children.
- Effective management of pediatric STSS hinges on early diagnosis and prompt administration of appropriate anti-infective therapies.
- Limited data exists on the comparative effectiveness of different antimicrobial regimens for pediatric STSS.
Purpose of the Study:
- To evaluate the efficacy of various antimicrobial treatment strategies for pediatric Streptococcal toxic shock syndrome.
- To identify optimal antibiotic choices and adjunct therapies for improving treatment outcomes in children with STSS.
Main Methods:
- Retrospective analysis of clinical data from 32 pediatric STSS cases across two hospitals (January 2009 - April 2023).
- Systematic literature review of pediatric STSS cases from the China National Knowledge Infrastructure.
- Categorization of antimicrobial treatments into four groups based on composition, plus analysis of adjunct therapies.
Main Results:
- All analyzed STSS cases demonstrated bacterial sensitivity to ampicillin, beta-lactam antibiotics, and vancomycin, but resistance to clindamycin, erythromycin, and tetracycline.
- A total of 82 patients (32 from the study, 50 from literature) were evaluated.
- Penicillin-containing regimens showed the highest efficacy rate (86.4%), while macrolide/unused antibiotic groups had 0% efficacy. Other regimens had efficacy rates of 32.1% and 42.3%.
Conclusions:
- Streptococcus pyogenes in pediatric STSS cases exhibits significant sensitivity to ampicillin.
- Timely administration of beta-lactam antibiotics, particularly penicillin, combined with clindamycin and intravenous immunoglobulins (IVIG), is associated with enhanced treatment success.
- These findings support the use of penicillin-based therapies as a primary treatment strategy for pediatric STSS.
Introduction:
Streptococcal toxic shock syndrome (STSS) is a severe consequence of infections from Streptococcus pyogenes. The early identification and timely intervention with appropriate anti-infective agents are pivotal for managing pediatric STSS. This study evaluates the effectiveness of various treatment regimens for STSS in children.
Methods:
Clinical data of children with STSS resulting from β-hemolytic streptococcal infections in two hospitals were retrospectively analyzed from January 2009 to April 2023. Additionally, literature from the China National Knowledge Infrastructure on pediatric STSS was examined. Antimicrobial treatments were categorized into four groups based on their compositions, with an additional categorization for adjunct therapeutic drugs.
Results:
Of 32 confirmed STSS cases, all displayed sensitivity to ampicillin, β-lactam antibiotics, and vancomycin, but resistance to clindamycin, erythromycin, and tetracycline. From the literature, 23 studies with 50 cases were extracted, leading to a total of 82 patients for evaluation. The efficacy rates varied significantly among the four treatment groups. Notably, the standard penicillin-containing group exhibited the highest efficacy (86.4%), while the group with macrolides/unused antibiotics registered a 0% efficacy rate. The other two groups demonstrated efficacy rates of 32.1% and 42.3%.
Conclusion:
For pediatric STSS, Streptococcus pyogenes shows notable sensitivity to ampicillin. Implementing timely β-lactam antibiotics, specifically penicillin, in conjunction with clindamycin and intravenous immunoglobulins enhances the treatment success rate.
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