Abstract
BackgroundReusable nasal-spray devices are frequently used in otolaryngologic examinations, and there is an increasing concern about the risk of cross-contamination from these devices. The aim of our study was to determine, by means of microbiologic analysis, the safety of a positive-displacement or pump-type atomizer after multiple uses.MethodsA reusable nasal spray bottle, pump, and tips were used in the nasal physical examination of 282 patients admitted to a tertiary otolaryngology clinic. The effectiveness of 2 different methods of prophylaxis against microbiologic contamination (the use of protective punched caps or rinsing the bottle tip with alcohol) was compared with that of a control procedure.ResultsAlthough there was no statistically significant difference in positive culture rates among the types of nasal spray bottles tested, methicillin-resistant coagulase-negative staphylococci were isolated in 4 of 198 cultures.ConclusionGiven these findings, we concluded that additional precautions (such as the use of an autoclave between sprays, disposable tips, or disposable devices) are warranted to avoid interpatient cross-contamination from a reusable nasal spray device.
Highlights
Reusable nasal-spray devices are frequently used in otolaryngologic examinations, and there is an increasing concern about the risk of cross-contamination from these devices
Topical vasoconstrictive and anesthetic agents that exert a decongestant and/or local anesthetic action on the mucous membranes of the nasal and pharyngeal cavities are routinely used in otolaryngologic practice
The study consisted of the microbiologic examination of multiple-dose decongestant nasal spray bottles used to administer an aerosolized agent before the anterior rhino
Summary
Reusable nasal-spray devices are frequently used in otolaryngologic examinations, and there is an increasing concern about the risk of cross-contamination from these devices. The aim of our study was to determine, by means of microbiologic analysis, the safety of a positivedisplacement or pump-type atomizer after multiple uses. Topical vasoconstrictive and anesthetic agents that exert a decongestant and/or local anesthetic action on the mucous membranes of the nasal and pharyngeal cavities are routinely used in otolaryngologic practice. The risk of contamination of the medication delivery systems as well as the risk of atomizer-associated cross-infection has been investigated, and various results have been reported. We assessed the risk of the cross-contamination of multiple-use positivepressure type nasal sprays and discussed relevant findings in the literature
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