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Invasive Pneumococcal Disease Secondary to Acute Otitis Media in a High-Risk Patient: A Case Report and Review of
Joshua Gregory1, Nathaniel Chohrach1, Deepa Iyengar1
1Family and Community Medicine, The University of Texas, Health Science Center at Houston McGovern Medical School, Houston, USA.
Abstract:
Streptococcus pneumoniae can commonly cause otitis media, sinusitis, pneumonia, or meningitis; however, these infections less frequently can develop into invasive pneumococcal disease (IPD). Vaccination for the prevention of pneumococcal disease has significantly decreased complications from severe infections, including pneumonia, meningitis, and IPD, in patients with certain risk factors. In this case study, we describe a unique presentation of disseminated S. pneumoniae meningitis and bacteremia in a patient who initially presented with acute otitis media (AOM). Due to the patient's multiple comorbidities of obesity, tobacco use, pre-diabetes, coronary artery disease, and lack of pneumococcal vaccination, their AOM rapidly progressed to life-threatening, an invasive pneumococcal infection which was successfully treated with timely initiation of antibiotics. In addition to discussing the patient's clinical course and treatment regimen, we will review pertinent updates to the pneumococcal vaccination guidelines for high-risk patients and their efficacy in preventing severe disease.
Insights
This case study highlights how Streptococcus pneumoniae can rapidly progress from acute otitis media to severe invasive pneumococcal disease in unvaccinated individuals with risk factors. Timely antibiotics and vaccination are crucial for preventing severe outcomes.
Area of Science:
- Infectious Diseases
- Vaccinology
- Clinical Medicine
Background:
- Streptococcus pneumoniae commonly causes infections like otitis media, sinusitis, and pneumonia, but can lead to invasive pneumococcal disease (IPD).
- Pneumococcal vaccination has reduced severe infections, including IPD, meningitis, and pneumonia, particularly in at-risk populations.
- Risk factors such as obesity, tobacco use, pre-diabetes, and coronary artery disease increase susceptibility to severe pneumococcal infections.
Observation:
- A unique case of disseminated Streptococcus pneumoniae meningitis and bacteremia originating from acute otitis media (AOM) is presented.
- The patient, unvaccinated and with multiple comorbidities, experienced rapid progression from AOM to life-threatening invasive pneumococcal infection.
- Initial presentation with AOM masked the severity of the underlying disseminated infection.
Findings:
- Prompt antibiotic administration was critical in successfully treating the invasive pneumococcal infection.
- The patient's comorbidities significantly contributed to the rapid and severe progression of the disease.
- Lack of pneumococcal vaccination was a key factor in the patient's vulnerability.
Implications:
- This case underscores the importance of considering invasive pneumococcal disease even with seemingly common initial presentations like AOM in high-risk individuals.
- Updates to pneumococcal vaccination guidelines for high-risk populations are essential for preventing severe disease.
- Early recognition and treatment, alongside vaccination strategies, are vital for managing and preventing invasive pneumococcal infections.
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