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Correlation between microbiology and previous sinus surgery in patients with chronic maxillary sinusitis
1Department of Pediatrics, Navy Hospital, Bethesda, Maryland, USA.
The Annals of Otology, Rhinology, and Laryngology
|February 24, 2001
Summary
Chronic maxillary sinusitis involves distinct bacterial profiles, particularly after surgery. Anaerobic bacteria are more prevalent in non-surgical patients, while Pseudomonas aeruginosa and gram-negative aerobic bacilli are more common in those with prior sinus surgery.
Area of Science:
- Microbiology
- Otolaryngology
- Infectious Diseases
Background:
- Chronic maxillary sinusitis (CMS) is a persistent inflammation of the maxillary sinuses.
- Understanding the microbial etiology of CMS is crucial for effective treatment.
- Previous sinus surgery can alter the microbial landscape of the sinuses.
Purpose of the Study:
- To characterize the aerobic and anaerobic bacterial isolates from chronically inflamed maxillary sinuses.
- To investigate the correlation between microbial findings and patient history, specifically previous sinus surgery.
Main Methods:
- Bacterial cultures were performed on aspirates from 108 patients with CMS.
- Aerobic and anaerobic bacteria were identified and quantified.
- Patient medical histories were analyzed for correlations with microbial results.
Main Results:
- A total of 295 bacterial isolates were identified (109 aerobic/facultative, 186 anaerobic).
- Predominant aerobes included Staphylococcus aureus, alpha-hemolytic streptococci, and Pseudomonas aeruginosa.
- Predominant anaerobes included Peptostreptococcus spp., Prevotella spp., and Fusobacterium spp.
- Pseudomonas aeruginosa and gram-negative aerobic bacilli were significantly more common in patients with prior sinus surgery (p < .001).
- Anaerobes were significantly more prevalent in patients without prior surgery (p < .001).
Conclusions:
- Chronic maxillary sinusitis exhibits unique microbiological characteristics that differ based on surgical history.
- Previous sinus surgery is associated with an increased prevalence of specific aerobic pathogens.
- The findings highlight distinct microbial profiles in recurrent or persistent sinusitis after surgical intervention.
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