Abstract
With the spread of SARS-CoV-2, it is expected that cases of acute coronary syndrome in the setting of coronavirus disease 2019 (COVID-19) develop. As expensive and sophisticated protection devices are not widely available, we have been working on a simple, off-the-shelf protection device for endotracheal intubation of potentially infected patients. For this purpose, we used a large transparent plastic bag (such as the sterile protective cover of the lead glass shield) for protection from airborne infections. The cover is moved over the patient's head from cranial to caudal, covering the catheter table including the torso with no need for patient mobilization. The intubation is done conventionally under direct visual control.
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Introduction
As the SARS-CoV-2 virus continues to infect patients with cardiovascular disease, it is expected that cases of acute coronary syndrome (ACS) together with coronavirus disease 2019 (COVID-19) occur [1, 3]. In patients with ST-segment elevation myocardial infarction (STEMI), it is recommended to immediately perform primary coronary intervention. STEMI can be complicated by cardiogenic shock requiring endotracheal intubation and mechanical ventilation also during treatment in the catheterization laboratory. Given the logistical challenges, at this point, in the majority of patients, no information on COVID-19 infection will be available. While for intensive care units, extensive preparatory and protective measures have been suggested aiming at reducing the aerosol contamination and, above all, to protect the personnel performing or assisting the laryngoscopy and endotracheal intubation [2], no such recommendations exist for cardiac catherization laboratories.
Case report
In emergency situations during cardiac catherization, there may be limited human resources and time to apply extensive protective measures. Against this background, we present a simple, off-the-shelf protective measure for emergency endotracheal intubation in the cardiac catheterization laboratory, using the sterile protective cover of the lead glass shield, deflected from its normal purpose.
For this, two slots are cut in the cover for the hands of the physician performing the endotracheal intubation. The cover is moved over the patient's head from cranial to caudal, covering the catheter table including the torso with no need for patient mobilization. The tight rubber band of the cover provides good insulation of the abdominal area. The intubation is done conventionally under direct visual control through the transparent sheet or if available by video laryngoscope. Blocking of the tube, connection to the ventilator with breathing filter and fixation of the tube are carried out by the intubating physician with assistance from outside (Fig. 1). The cover can be left in place to prevent contamination of the room. The procedure is shown in detail in the three online videos (covering the patient, endotracheal intubation, and connection of ventilator).
Discussion
With the spread of SARS-CoV-2, it is expected that cases of acute coronary syndrome in the setting of coronavirus disease 2019 (COVID-19) develop, which will pose major challenges to cath lab staff around the globe. As expensive and sophisticated protection devices are not widely available, we have been working on a simple, off-the-shelf protection device for endotracheal intubation of (potentially) infected patients. This measure may indeed turn out to be helpful during the pandemic. Furthermore, this concept could also be adopted in other emergency situations outside the catheter laboratory.
Change history
12 August 2020
During submission the author name Andreas Link was unfortunately omitted. The correct author list reads as follows.
References
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Canelli R, Connor CW, Gonzalez M, Nozari A, Ortega R (2020) Barrier enclosure during endotracheal intubation. N Engl J Med. https://doi.org/10.1056/NEJMc2007589
Driggin E, Madhavan MV, Bikdeli B, Chuich T, Laracy J, Bondi-Zoccai G, Brown TS, Nigoghossian C, Zidar DA, Haythe J, Brodie D, Beckman JA, Kirtane AJ, Stone GW, Krumholz HM, Parikh SA (2020) Cardiovascular considerations for patients, health care workers, and health systems during the coronavirus disease 2019 (COVID-19) pandemic. J Am Coll Cardiol. https://doi.org/10.1016/j.jacc.2020.03.031
Acknowledgements
Open Access funding provided by Projekt DEAL. We thank our catherization laboratory technicians Matthias Bauer and Johannes Burger for the initial idea and their support in establishing the concept. We would also like to thank our colleagues Drs. Michael Böhm, Andreas Link, Yvonne Clever, Saarraaken Kulenthiran, and Victoria Schwarz for helpful advice and critical input.
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Supplementary file1 Online Video 1: Covering the patient with the sterile protective cover. The cover is moved from cranial to caudal over the patient's head, covering the catheter table so that the patient is not mobilized. The tight rubber band of the cover provides good insulation of the abdominal area. (MOV 84044 kb)
Supplementary file2 Online Video 2: Intubation is done conventionally under direct visual control. (MOV 170474 kb)
Supplementary file3 Online Video 3: Blocking of the tube, connection to the ventilator with breathing filter and fixation of the tube are also carried out by the intubating physician with assistance from outside. (MOV 41918 kb)
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Scheller, B., Vukadinovic, D., Ewen, S. et al. Off-the-shelf barrier for emergency intubation in the cardiac catheterization laboratory during the coronavirus disease 2019 (COVID-19) pandemic. Clin Res Cardiol 109, 1507–1509 (2020). https://doi.org/10.1007/s00392-020-01696-9
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DOI: https://doi.org/10.1007/s00392-020-01696-9