Abstract
All nontechnical factors were analyzed to predict nasal bacterial culture results in patients with chronic rhinosinusitis (CRS). Four hundred and ninety-six CRS patients, who underwent functional endoscopic sinus surgery (FESS), were enrolled. Prior to FESS, the severity of each patient’s CRS was evaluated using a questionnaire, endoscopic examination, acoustic rhinometry, smell test, saccharine transit test, and CT scan. Nasal bacterial cultures were collected from both middle meati using a cotton-tipped stick. Our results showed that the symptom severity complained of by patients and their loss of smell function did not influence the bacterial culture rate. We discovered that the bacterial culture rate was significantly higher in nostrils with nasal polyps than those without polyps, along with nostrils experiencing thick, purulent discharge as opposed to those without discharge. Additionally, this result also occurred in nostrils with a saccharin transit time of more than 30 min than it did in those with a saccharin transit time of less than or equal to 30 min. Both the total endoscopic score and anterior group CT score were significantly higher in nostrils with positive culture than those with negative culture, while the second minimal cross-sectional area (MCA2) of the nasal cavity was significantly lower in nostrils with positive culture than those with negative culture. Multiple logistic regression analysis showed that both nasal polyps and MCA2 were the predictors for positive nasal bacterial culture results. It was concluded that nasal polyps and MCA2 were the predictors for positive nasal bacterial culture results in CRS patients.
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The authors are grateful to the Biostatistics Task Force, Taichung Veterans General Hospital, Taichung, Taiwan, for their assistance with the statistical analysis.
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Ethical approval was achieved from the Ethics Committee of Taichung Veterans General Hospital, Taiwan, and the study was conducted in accordance with the Declaration of Helsinki.
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Wang, JJ., Chen, CY., Liang, KL. et al. Predictors of nasal bacterial culture rates in patients with chronic rhinosinusitis. Eur J Clin Microbiol Infect Dis 39, 711–716 (2020). https://doi.org/10.1007/s10096-019-03775-w
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DOI: https://doi.org/10.1007/s10096-019-03775-w