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Molecular analysis of dominant paranasal sinus bacteria in patients with and without chronic rhinosinusitis

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Abstract

Recent studies have established the possible role of microbiota in developing various diseases. In this regard, attention has shifted to the evaluation of microbiota changes in the paranasal sinuses and its relationship to chronic rhinosinusitis (CRS), especially CRS with nasal polyposis (CRSwNP). This study aimed to examine the bacterial communities of the sphenoidal sinus in Iranian patients with and without CRS. The investigation included 36 subjects, including 18 patients with CRSwNP who underwent Functional Endoscopic Sinus Surgery (FESS) and 18 non-CRS patients who underwent Endoscopic Endonasal Approach (EEA) for pituitary adenoma. The surgeries were performed under general anesthesia, and the sphenoidal sinus was sampled using sterile rayon-tipped swabs coated with a sheet. TaqMan quantitative real-time polymerase chain reaction (qPCR) method (the 16S rDNA gene from bacteria) was used for detection of bacterial communities in different samples. Staphylococcus haemolyticus and Pseudomonas aeruginosa were significantly more prevalent in CRS patients than non-CRS patients (P value ≤ 0.05). However, no significant difference in the frequency of Corynebacterium spp. and Staphylococcus aureus was observed between the two groups, and no Streptococcus pneumoniae or Haemophilus influenza species were isolated from any of the samples. The current study’s findings indicated a significant difference in the frequency of certain bacterial species in patients with CRS vs. non-CRS patients. By establishing a link between microbial burden and CRS, it is possible to develop effective treatments or even prevent disorders in this body area.

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The authors confirm that the data supporting the findings of this study is available within the article.

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Acknowledgements

We are thankful to all Members of the Department of Microbiology, School of Medicine, Iran University of Medical Sciences.

Funding

This research was supported by grant No: 97-4-4-13545 from Iran University of Medical Sciences.

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Authors and Affiliations

Authors

Contributions

SR and AA conceived and designed the study. ZC and MM contributed in comprehensive research. SR, AA, MG and MJ collected the samples and performed the clinical part of the study. ZC and AS performed the microbiologic workup of the samples and wrote the paper. SR and AA participated in manuscript editing. Notably, all authors approved the definitive version of the manuscript.

Corresponding author

Correspondence to Shabnam Razavi.

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Conflict of interest

Authors declare that there are no potential conflicts of interests in the present study.

Ethical approval

The study protocol and ethical issue were approved by the Ethics Committee of Iran University of Medical science (IR.IUMS.FMD.REC.1398.480). Notably, all methods were performed in accordance with the Ethics Committee of Iran University of Medical science guidelines and according to the European Position Paper on Rhinosinusitis and Nasal Polyps 2012. All participants were informed of the objectives of this study and signed a written consent form prior to their participation.

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Not applicable.

Additional information

Communicated by Erko Stackebrandt.

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Chegini, Z., Shariati, A., Asghari, A. et al. Molecular analysis of dominant paranasal sinus bacteria in patients with and without chronic rhinosinusitis. Arch Microbiol 204, 327 (2022). https://doi.org/10.1007/s00203-022-02914-w

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  • DOI: https://doi.org/10.1007/s00203-022-02914-w

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