• Matthias Ott, Alfio Milazzo, Stefan Liebau, Christina Jaki, Tobias Schilling, Alexander Krohn, and Johannes Heymer.
• Department of Interdisciplinary Emergency and Intensive Care Medicine, Klinikum Stuttgart, Kriegsbergstr. 60, 70174 Stuttgart, Germany. Electronic address: ma.ott@klinikum-stuttgart.de.
• Resuscitation. 2020 Jul 1; 152: 192198192-198.

ObjectiveTo evaluate the effect of strategies to reduce the spread of simulated aerosol during chest compressions on manikin and cadaver experimental models.MethodsTo evaluate aerosol-spread we nebulized ultraviolet sensitive detergents into the artificial airway of a resuscitation dummy and performed CPR. The spread of the visualized aerosol was documented by a camera. In a further approach we applied nebulized detergents into the airways of human cadavers and detected the simulated spread on the same way. Among others we did recordings with undergoing compression-only-CPR, with a surgical mask or an oxygen mask on the patients face and with an inserted supraglottic airway device with and without a connected airway filter.ResultsMost aerosol-spread at the direction of the provider was visualized during compression-only-CPR. The use of a surgical mask and of an oxygen mask on the patient's face deflected the spread. Inserting a supraglottic airway device connected to an airway filter lead to a remarkable reduction of aerosol-spread.ConclusionThe early insertion of a supraglottic airway device connected to an airway filter before starting chest compression may be beneficial for staff protection during CPR.Copyright © 2020 Elsevier B.V. All rights reserved.

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