An Assessment for the Presence of Bacterial Contamination of Venturi Principle Atomizers in a Clinical Setting

Author:

Rizzi Mark1,Batra Pete S.1,Hall Geraldine2,Citardi Martin J.1,Lanza Donald C.1

Affiliation:

1. Departments of Otolaryngology and Communicative Sciences, Cleveland, Ohio

2. Departments of Microbiology, The Cleveland Clinic Foundation, Cleveland, Ohio

Abstract

Background Venturi principle atomizers have been criticized for potential contamination and disease transmission when used for nasal application. A recent laboratory study reported a high rate of contamination of these atomizers after their tips were immersed and sprayed into a broth containing Staphylococcus aureus. The objective of this study was to determine whether the Venturi-type atomizers used regularly at a busy referral center for sinonasal disorders were contaminated with bacteria. Methods Fifteen Venturi-type atomizers containing 2% lidocaine (four bottles), 4% lidocaine (three bottles), or 0.05% oxymetazoline (eight bottles) were sprayed onto blood agar plates. All atomizer bottles had been in routine use in a tertiary rhinology clinic for 1 month. The contents within each bottle's reservoir also were cultured. Thus, the total sample size was 30 plates. Then, the plates were incubated at 35°C for 48 hours and then at room temperature for 72 hours. Results Three of our 30 plates grew one colony each of Gram-positive bacilli, Gram-positive cocci, and Staphylococcus species. Conclusion The rare growth of any bacteria seen in our samples could as likely represent contamination during processing and handling of the plates as contamination of the atomizers themselves. Thus, Venturi-type atomizers may not have a high potential contamination risk, which has been suggested by previous reports.

Publisher

SAGE Publications

Subject

Otorhinolaryngology

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1. Managing complications of endoscopic transsphenoidal surgery in pituitary adenomas;Expert Review of Endocrinology & Metabolism;2020-08-01

2. An unexpected route for otolaryngology bacterial contamination with a Venturi atomizer*;Rhinology journal;2014-01-01

3. Is nasal steroid spray bottle contamination a potential issue in chronic rhinosinusitis?;The Journal of Laryngology & Otology;2013-05-31

4. Decontamination of Nasal Atomizer Tips;Otolaryngology–Head and Neck Surgery;2011-04-04

5. Bacterial contamination of multiple-use atomizers commonly used in Japan;Indian Journal of Otolaryngology and Head & Neck Surgery;2009-09

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