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Parotid Space, a Different Space from Other Deep Neck Infection Spaces
Shih-Lung Chen1,2, Chi-Kuang Young2,3, Chun-Ta Liao1,2
1Department of Otorhinolaryngology & Head and Neck Surgery, Chang Gung Memorial Hospital, Linkou 333, Taiwan.
Microorganisms
|November 27, 2021
Summary
Deep neck infections (DNIs) involving the parotid space present differently than other DNIs. Klebsiella pneumoniae is linked to parotid space infections, requiring distinct diagnostic and treatment approaches.
Area of Science:
- Otolaryngology
- Infectious Diseases
- Surgical Pathology
Background:
- Deep neck infections (DNIs) are medical emergencies.
- Parotid space abscesses may have unique characteristics compared to other DNIs.
Purpose of the Study:
- To compare the clinical presentation, microbiology, and treatment of parotid space infections (PSIs) with other deep neck space infections (DNSIs).
Main Methods:
- Retrospective population-based cohort study of 412 patients with DNIs.
- Comparison of parotid space (PS) versus non-parotid space (NPS) infections.
- Analysis of patient characteristics, laboratory findings, and microbiological cultures.
Main Results:
- PSIs (n=91) showed longer symptom duration, lower WBC and CRP levels, and higher rates of ultrasound-guided drainage compared to NPSIs (n=321).
- Klebsiella pneumoniae was significantly more prevalent in PSIs (p < 0.001).
- Streptococcus constellatus and Streptococcus anginosus were less common in PSIs.
Conclusions:
- Parotid space infections exhibit distinct clinical and microbiological features compared to other deep neck space infections.
- Klebsiella pneumoniae is an independent risk factor for parotid space involvement in DNIs.
- Findings suggest tailored diagnostic and management strategies for PSIs are warranted.
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