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Clinical implications of antibiotic resistance for management of acute otitis media
1Department of Pediatrics, Boston University School of Medicine, Boston Medical Center, MA 02118, USA. jerome.klein@bmc.org
Abstract:
Antibiotic resistance to available antimicrobial agents has been constant since the introduction of the sulfonamides in the 1930s. Multidrug-resistant Streptococcus pneumoniae and beta-lactamase-producing Haemophilus influenzae are a concern now because of the importance of these pathogens in infections of the respiratory tract in infants and children. Amoxicillin remains the drug of choice for initial episodes of acute otitis media (AOM) although increase of the dosage schedule to 80 mg/kg/day has been recommended by some investigators. There are 15 additional antimicrobial agents approved by the Food and Drug Administration for the indication of AOM. All approved drugs are clinically effective but some have been suggested to have priority for patients who fail amoxicillin: amoxicillin-clavulanate; an oral cephalosporin such as cefuroxime axetil; and intramuscular ceftriaxone. Management of the child with severe and recurrent disease should include antibiotic prophylaxis but the increased incidence of resistance requires selective use. Prevention of infection may be achieved by innovative techniques for interference with attachment of bacteria to the nasal mucosa such as administration of oligosaccharides in a nasal spray. The currently available polysaccharide pneumococcal vaccines have limited immunogenicity in infants, but the vaccine is useful in children 2 years of age and older who still have recurrent AOM. Children with frequent AOM during the prior respiratory season are candidates also for influenza virus vaccine. If medical management fails to prevent new episodes of AOM in children with severe and recurrent disease, placement of tympanostomy tubes and possible adenoidectomy should be considered.
Insights
Antibiotic resistance is a growing concern for childhood respiratory infections like acute otitis media (AOM). New strategies, including optimized amoxicillin dosing and preventative vaccines, are crucial for managing AOM effectively.
Area of Science:
- Pediatrics
- Infectious Diseases
- Microbiology
Background:
- Antibiotic resistance in pediatric respiratory pathogens like Streptococcus pneumoniae and Haemophilus influenzae is a significant clinical challenge.
- Acute otitis media (AOM) is a common childhood infection, with amoxicillin often being the first-line treatment.
Purpose of the Study:
- To review current treatment strategies for AOM, considering rising antibiotic resistance.
- To explore alternative and adjunctive therapies for managing AOM in children, particularly those with severe or recurrent disease.
Main Methods:
- Literature review of antimicrobial agents approved for AOM.
- Analysis of treatment guidelines and emerging preventative strategies.
- Evaluation of vaccine efficacy and surgical interventions for recurrent AOM.
Main Results:
- Amoxicillin remains a primary choice, with higher dosage recommendations (80 mg/kg/day) proposed.
- Several alternative antibiotics (amoxicillin-clavulanate, cefuroxime axetil, ceftriaxone) are effective for amoxicillin treatment failures.
- Preventative measures include oligosaccharide nasal sprays, pneumococcal vaccines (for children ≥2 years), and influenza vaccines.
Conclusions:
- Selective antibiotic prophylaxis and judicious use are necessary due to increasing resistance.
- Vaccination and innovative preventative techniques show promise in reducing AOM incidence.
- Surgical options like tympanostomy tubes and adenoidectomy should be considered for refractory cases.