A Simple Method for Safer Flexible Fiberoptic Laryngoscopy in the Era of COVID-19
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A Simple Method for Safer Flexible Fiberoptic Laryngoscopy in the Era of COVID-19 Christopher A. Maroun1 • Daniel S. Faddoul1 • Roger V. Moukarbel1
Received: 2 September 2020 / Accepted: 19 October 2020 Ó Association of Otolaryngologists of India 2020
The 2019 novel coronavirus (SARS-CoV-2) has had tremendous impact on healthcare systems around the globe, resulting in a shift in the distribution of resources and a rapid change in the provision of care. Otolaryngologists in particular are at increased risk of contact with respiratory secretions and subsequent infection, therefore efforts to reduce exposure through prioritization of procedures and utilization of personal protective equipment (PPE) have been widely employed [1]. While in many institutions it is agreed upon that a number of instances of clinical contact can be safely deferred until a later time, there are cases, particularly within the cancer population, where this may not be a viable option. For this reason, it is important to consider additional measures to protect the provider during necessary clinical encounters so that a lapse in patient care can be avoided, without compromising safety. In the evaluation of the cancer patient, a key element of assessment is a thorough evaluation of the aerodigestive tract. For the modern head and neck surgeon, one of the most useful tools for visualization is the flexible laryngoscope. However, unnecessary flexible laryngoscopy in the era of COVID-19 is generally being avoided due to the increased risk of transmission of viral particles to the otolaryngologist [1]. In fact, it has been reported that exposure to aerosolized viral particles may be highest during manipulation of the aerodigestive tract, such as
& Roger V. Moukarbel [email protected] 1
Department of Otolaryngology Head and Neck Surgery, American University of Beirut Medical Center, 6th Floor, Hamra, Beirut 1107 2020, Lebanon
during intubation or other minimally invasive procedures [2]. Flexible laryngoscopy in particular poses an additional risk due to the potential for coughing and sneezing during manipulation. This may increase the likelihood of contracting illness from viral carriers, as moderate viral loads have been found within the respiratory tracts of infected patients, even when asymptomatic [3]. There have been several recommendations that advocate heightened caution during airway procedures in order to minimize the risk of transmission to the provider [2, 4]. However, there have been no official recommendations for reducing viral transmission during flexible laryngoscopy in particular [5]. Recently in our practice, similar to reports from other institutions, preparation for flexible laryngoscopy has entailed a comprehensive donning of PPE, including: surgical gown, bouffant cap, eye protection, face shield, N95 mask with overlying surgical mask, and two pairs of latex gloves (Fig. 1a). However, in addition to these measures, we have employed an additional layer of protection specifically targeting the risks inherent to fl
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