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such as those with lung diseases. This research domain is of 13. Bodur G, Duprez F, Laghmiche A, Gatera E. A new adjunctive
particular importance when casualties are suspected or proven system to obtain higher PaO with nasal cannula or catheter: dou-
2
to be exposed to chemicals or bacteriological agents. ble trunk mask. Crit Care. 2001;5(Suppl 1):P001. doi:10.1186/
cc1072
14. Lambrigts B, Duprez F, Laghmiche A, Van Trimpont F, Bodur G.
Conclusions Clinical evaluation of a new way of administration of oxygen: the
double trunk mask. European Journal of Anaesthesiology. 2001;
For operational medicine with limited O resources, the DTM 18:55.
2
developed at Epicura Hospital in Belgium can represent a par- 15. Duprez F, De Terwangne C, Poncin W, Bruyneel A, De Greef J,
tial solution to the difficult management of oxygenation on Wittebole X. A Modified aerosol Mask Could Significantly Save
the battlefield. This innovative advance in respiratory medi- Oxygen Supplies during SARS COV 2 pandemic. J Emerg Nurs.
2022;48(3):248–250. doi:10.1016/j.jen.2021.08.002
cine is designed to improve the effectiveness of O therapy. It 16. Poncin W, Baudet L, Braem F, et al. Systems on top of nasal
2
is important to note that DTM does not necessarily replace cannula improve oxygen delivery in patients with COVID-19: a
other oxygen delivery methods but can be a credible alterna- randomized controlled trial. J Gen Intern Med. 2022;37(5):1226–
tive in difficult tactical circumstances. The choice for an ideal 1232. doi:10.1007/s11606-022-07419-2
oxygenation device must be balanced with the severity of the 17. Poncin W, Baudet L, Reychler G, et al. Impact of an impro-
trauma and the specific O needs of the casualty. vised system on preserving oxygen supplies in patients with
2 COVID-19. Arch Bronconeumol. 2021;57:77–79. doi:10.1016/j.
arbres.2020.07.019
Author Contributions 18. Zellag A, Fortune IC, Monneret C, Froudarakis M, Botelho-Nev-
DF and AJ conceived the study concept and wrote the first ers E, Labeix P. The use of double trunk mask to optimize oxygen-
draft. DF and AJ wrote the second draft. All authors read ation in hypoxemic patients with COVID-19: an observational
and approved the final manuscript. WF and WJB revised the study. Eur Respir J. 2021;58(suppl 65). doi:10.1183/13993003.
manuscript. congress-2021.PA518
19. Farias E, Rudski L, Zidulka A. Delivery of high inspired oxy-
gen by face mask. J Crit Care. 1991;6(3):119–124. doi:10.1016/
Disclosures 0883-9441(91)90002-B
The authors have no financial relationships or competing in- 20. Hnatiuk OW, Moores LK, Thompson JC, Jones MD. Deliv-
terests relevant to this article to disclose. ery of high concentrations of inspired oxygen via Tusk mask.
Crit Care Med. 1998;26(6):1032–1035. doi:10.1097/00003246-
199806000-00022
Funding 21. Duprez F. À propos du double-trunk mask. 2024. Accessed Janu-
No funding was received for this work. ary 4, 2025. https://doubletrunkmask.mystrikingly.com/
22. Abe Y, Kondo T, Yamane Y, et al. The efficacy of an oxygen mask
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