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Published on: June 14, 2020
Suppurative cervical lymphadenitis in infancy: microbiology and sociology
Mitchell L Worley1, Joseph M Seif1, Amy S Whigham1
1Wake Forest™ School of Medicine, Winston-Salem, NC, USA.
Insights
Pediatric neck infections reveal a high incidence of methicillin-resistant Staphylococcus aureus (MRSA) in infants. This suggests current empirical antibiotic therapy may be inadequate for treating cervical lymphadenitis in this age group.
Area of Science:
- Pediatric infectious diseases
- Microbiology
- Surgical infections
Background:
- Cervical lymphadenitis is a common pediatric infection.
- Understanding the microbiology is crucial for effective treatment.
- Age and sociological factors may influence infection patterns.
Purpose of the Study:
- To examine the relationship between patient demographics, sociological factors, and the specific bacteria causing pediatric neck infections.
- To identify trends in microbial causes of suppurative cervical lymphadenitis in young children.
Main Methods:
- Retrospective analysis of medical records for children aged 5 years or younger.
- Focus on cases requiring surgical intervention for suppurative cervical lymphadenitis.
- Microbiological culture and antibiotic sensitivity testing were reviewed.
Main Results:
- Staphylococcus aureus was the predominant pathogen, particularly in infants (93%).
- Methicillin-resistant Staphylococcus aureus (MRSA) accounted for 51% of S. aureus isolates.
- MRSA prevalence was linked to African American race, and many patients received prior β-lactam antibiotics.
Conclusions:
- Infants with cervical lymphadenitis requiring surgery show a high rate of MRSA infection.
- Empirical treatment with β-lactam antibiotics may be insufficient for early-stage infections in this population.
- Further research into optimal empirical antibiotic strategies for pediatric cervical lymphadenitis is warranted.
Objective:
To investigate the associations between patient age, sociological factors, and the microbiology of pediatric neck infections.
Methods:
Retrospective chart review of children up to 5 years old who underwent surgical management of suppurative cervical lymphadenitis.
Results:
A total of 76 individuals met inclusion criteria; 93% of culture-positive infections were caused by Staphylococcus aureus in infants, compared with 59% in children between 13 months and 5 years of age (P = .002). Of the S aureus isolates, 51% were methicillin-resistant S aureus (MRSA) and 49% were methicillin-sensitive S aureus. Methicillin resistance was associated with African American race (P = .004); 67% of participants received empirical antibiotics prior to admission. Of these, 73% received antibiotics in the β-lactam class, and 25% received treatment with clindamycin.
Conclusions:
Incidence of MRSA is high in infants with cervical lymphadenitis who fail empirical antibiotic therapy and require surgical management. Empirical coverage for cervical lymphadenitis with β-lactam antibiotics may provide inadequate coverage for early infection in this population.
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