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Droplet and Bone Dust Contamination from High‐speed Drilling During Mastoidectomy

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Markey, Anne L, Leong, Samuel and Vaughan, Casey (2021) 'Droplet and Bone Dust Contamination from High‐speed Drilling During Mastoidectomy'. Clinical Otolaryngology, Vol 46, Issue 3, pp. 614-618.

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Official URL: https://onlinelibrary.wiley.com/doi/epdf/10.1111/c...

Abstract

Objectives
The aim of this study was to examine contamination from otolaryngologic procedures involving high speed drilling, specifically mastoid surgery, and to assess the adequacy of PPE in such procedures.

Design and Setting
Mastoid surgery was simulated in a dry laboratory using a plastic temporal bone, microscope and hand held drill with irrigation and suction. Comparisons of distance of droplet and bone dust contamination and surgeon contamination were made under differing conditions. Irrigation speed, use of microscope and drill burr size and type were compared.

Main Outcome Measures
Measurement of the distance of field contamination whilst performing simulated mastoidectomy and location of surgeon contamination.

Results
There was a greater distance field contamination and surgeon contamination without the use of the microscope. Contamination was reduced by using a smaller drill burr and by using a diamond burr when compared to a cutting burr. The use of goggles and a face mask provided good protection for the surgeon however the microscope alone may provide sufficient protection to negate the need for goggles.

Conclusions
While the risks of performing mastoid surgery during the coronavirus pandemic cannot be completely removed, they can be mitigated. Such factors include using the microscope for all drilling, using smaller size drill burrs and creating a safe zone around the operating table.

Item Type:	Article
Subjects:	WE Musculoskeletal System > WE 100 General works WE Musculoskeletal System > WE 20 Research (General) WV Otolaryngology > WV 100 General works
Faculty: Department:	Biological Sciences > Department of Tropical Disease Biology
Digital Object Identifer (DOI):	https://doi.org/10.1111/coa.13725
Depositing User:	Stacy Murtagh
Date Deposited:	10 Feb 2021 18:22
Last Modified:	13 May 2021 10:34
URI:	https://archive.lstmed.ac.uk/id/eprint/16940

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