Efficacy of a Disinfectant Wipe Method for the Removal of Adenovirus 8 from Tonometer Tips

Threlkeld, Anisa B.; Froggatt, John W.; Schein, Oliver D.; Forman, Michael

doi:10.1016/s0161-6420(93)31388-6

Cited by 37 publications

(30 citation statements)

References 17 publications

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“…10,11 Indeed, previous studies have examined the role of the ophthalmologist and his tools in adenoviral transmission. 12,13 However, there did not appear to be any single procedure that was associated with an increased likelihood of viral transmission. It is known that corneal epithelial compromise is associated with an increased risk of secondary adenoviral infection.…”

Section: Discussionmentioning

confidence: 95%

Epidemic kerato-conjunctivitis—do outbreaks have to be epidemic?

Cheung

Bremner

Chan

2003

Eye

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Purpose To study: the epidemiology of an outbreak of adenoviral keratoconjunctivitis in a UK teaching hospital; disease presentation and its effect on clinical diagnostic efficiency; patterns of viral transmission between staff and patients; the effectiveness of infection control procedures in minimising outbreaks.Methods Prospective/retrospective clinical audit and retrospective audit of virological culture results: all viral culture swabs taken during an outbreak of adenoviral keratoconjunctivitis were analysed. The case records of patients whose viral swabs were positive for adenoviral culture were traced.

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Section: Discussionmentioning

confidence: 95%

Epidemic kerato-conjunctivitis—do outbreaks have to be epidemic?

Cheung

Bremner

Chan

2003

Eye

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“…Behind immersion in a chlorine-based solution, 70% isopropyl alcohol wipe was found in our survey to be the most common disinfectant method. This convenient method has been shown to be effective at inactivating adenovirus, 18 HIV and HSV. 19 However, a 70% isopropyl alcohol wipe has been found to be ineffective against hepatitis B and C 20,21 and is not included in the CDC and AAO recommendations.…”

Section: Discussionmentioning

confidence: 99%

Tonometer disinfection practice in the United Kingdom: A national survey

Hillier

Kumar

2007

Eye

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Purpose: To assess current tonometer disinfection practice in the UK, and compare with published recommendations. Methods: Every ophthalmology unit with training recognition in the UK was contacted (n ¼ 155). A senior nurse at each institution completed a telephone questionnaire regarding local tonometer disinfection practice. Results: The response rate was 100%. Thirty-five units (23%) reported exclusive use of disposable tonometer heads and were excluded from further analysis. One hundred and twenty units (77%) used either reusable or a combination of reusable and disposable tonometer heads. Where reusable heads were used, 80 units (67%) immersed them in a chlorine-based solution such as sodium hypochlorite or sodium dichloroisocyanurate.

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“…33 Five-minute soaks in the disinfectants hydrogen peroxide, iodophor, and sodium hypochlorite were found to be effective against adenovirus. 40 However, one study 41 has demonstrated that hepatitis B virus DNA is still detectable by polymerase chain reaction on tonometer tips after disinfection with several methods, including 70% isopropyl wipe, 70% ethanol wipe, 10 min 500-ppm chlorine soak, and 10 min 1% glutaraldehyde soak, while a simple soap and water wash removed all detectable hepatitis B virus DNA. …”

Section: Discussionmentioning

confidence: 99%

Tonometers and infectious risk: myth or reality? Efficacy of different disinfection regimens on tonometer tips

Cillino

Casuccio

Giammanco

et al. 2006

Eye

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Purpose To evaluate the adequacy of common disinfection regimens for disposable tonometer tips and assess if disinfection of reusable prisms or the use of disposable tips is preferable. Methods We used disposable tonometer tips, using the same material and tip diameter of standard Goldmann tonometer prism. Strains of Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis and Candida albicans were tested according to the European standard guidelines for disinfectants test. Antimicrobial effectiveness of the following disinfection practices has been assessed: dry wipe, Minuten wipes (Alpro s ), soaking in 3% hydrogen peroxide, 0.5% benzalkonium chloride, and 0.5% Pantasept s for 1, 5, and 15 min. All tests have been performed three times and all conditions tested in duplicate.Results Dry wiping and 1 min soak in 3% hydrogen peroxide were ineffective on all microrganisms. Minuten wipes, 1 min soak in 0.5% benzalkonium chloride or 3% hydrogen peroxide were ineffective on B. subtilis. 0.5% Pantasept s soak was effective in 1 min for all microrganisms tested, whereas 3% hydrogen peroxide and 0.5% benzalkonium chloride soaks were effective when performed for at least 5 min. B. subtilis was the most resistant organism to disinfectant regimes at 1 min time.Conclusions Results of our study demonstrate a relative disinfection efficacy for the different evaluated regimens, provided that correct exposure times are adopted for the chosen disinfectants, a condition difficult to ensure in a busy clinic setting. We conclude that disposable prism tonometry provides a safe alternative to Goldmann tonometry.

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Efficacy of a Disinfectant Wipe Method for the Removal of Adenovirus 8 from Tonometer Tips

Cited by 37 publications

References 17 publications

Epidemic kerato-conjunctivitis—do outbreaks have to be epidemic?

Epidemic kerato-conjunctivitis—do outbreaks have to be epidemic?

Tonometer disinfection practice in the United Kingdom: A national survey

Tonometers and infectious risk: myth or reality? Efficacy of different disinfection regimens on tonometer tips

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