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Antimicrobial susceptibility of bacterial pathogens isolated from healthcare workers’ cellphones - 17/06/21

Doi : 10.1016/j.idnow.2021.05.007 
Mehmet Bayraktar a, Eyyup Kaya a, Ali Ozturk b, , Bashar Mohammed Salih İbahim c
a Department of Medical Microbiology, Faculty of Medicine, Harran University, Şanlıurfa, Turkey 
b Department of Medical Microbiology, Faculty of Medicine, Nigde Ömer Halisdemir University, Nigde, Turkey 
c Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Suleyman Demirel University, Isparta, Turkey 

Corresponding author. Department of Medical Microbiology, Nigde Ömer Halisdemir University, Faculty of Medicine, 51240 Nigde, Turkey.Department of Medical Microbiology, Nigde Ömer Halisdemir University, Faculty of MedicineNigde51240Turkey
En prensa. Pruebas corregidas por el autor. Disponible en línea desde el Thursday 17 June 2021
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Highlights

Out of 66 samples, 26 species and 170 microorganisms were isolated from the cellphones of hospital staff.
Staphylococcus spp. (39.4%) and Micrococcus spp. (14.7%) were most frequently isolated.
Gram-positive isolates were all susceptible to the antibiotics used, while Gram-negative isolates were all resistant to ceftazidime.
Cellphones of healthcare staff were highly contaminated with various bacterial agents.
The use of contaminated cellphones in specific medical areas (operating rooms, intensive care units, etc.) is a potential risk for the spread of nosocomial pathogens.
The antibiotic susceptibility profiles of isolates indicate that drug-resistant isolates were transmitted by healthcare staff.

El texto completo de este artículo está disponible en PDF.

Abstract

Objective

To evaluate bacterial isolates, antibiotic susceptibility, and disease transmission risk in healthcare workers using cellphones.

Methods

A total of 70 cellphones were received from the hospital staff. Samples were collected from the phones with a sterile cotton swab moistened with physiological saline solution. Samples were inoculated in a bacteriological culture medium and incubated at 37.5°C for 24–48hours. Identification of microorganisms was performed by traditional methods and VITEK 2 device. Kirby-Bauer disk diffusion method was used to determine antibiotic susceptibility.

Results

A total of 26 species and 170 microorganisms were isolated from 66 cellphones from which bacterial growths were obtained: coagulase-negative staphylococci (n=63, 37%) (most commonly Staphylococcus epidermidis: 25/63), Micrococcus luteus (n=25, 14.7%), Tetracoccus (n=24, 14.1%), Kocuria spp. (n=24, 14.1%), Corynebacterium diphtheriae (n=7, 4.1%), Leuconostoc mesenteroides (n=5, 3.0%), S. aureus (n=4, 2.3%), Enterococcus spp. (n=5, 2.9%), Acinetobacter spp. (n=7, 4.1%), Klebsiella pneumoniae (n=2, 1.2%), Actinomyces spp. (n=1, 0.6%), Pseudomonas aeruginosa (n=1, 0.6%), Morganella morganii (n=1, 0.6%), and Alcaligenes faecalis (n=1, 0.6%). Gram-positive isolates were all susceptible to the antibiotics used, whereas Gram-negative isolates were all resistant to ceftazidime.

Conclusion

Hands and/or cellphones of healthcare staff can be contaminated with various types of microorganisms. We recommend proper hand washing and disinfection to prevent bacterial pathogens spread within the hospital.

El texto completo de este artículo está disponible en PDF.

Keywords : Healthcare staff, Cellphone, Microbial contamination, Nosocomial infection, Hygiene


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