• Ken-Ichi Muramatsu, Kazuhiko Omori, Yoshihiro Kushida, Hiroki Nagasawa, Ikuto Takeuchi, Kei Jitsuiki, Jun Shitara, Hiromichi Ohsaka, Yasumasa Oode, and Youichi Yanagawa.
• Department of Acute Critical Care Medicine, Shizuoka Hospital, Juntendo University, Japan.
• Am J Emerg Med. 2021 Jun 1; 44: 330332330-332.

PurposeThe present study aimed to determine whether or not patients with acute aortic dissection (AAD) treated by the staff of a doctor helicopter (DH) service while being transported from the scene or for interhospital transportation obtained a favorable outcome.MethodsWe retrospectively investigated all patients with AAD who were transported by DH between January 2015 and December 2019 using the registry data of the DH control room of our hospital.ResultsOne hundred five cases were enrolled in the present study. All patients were transported within 24 h from the onset. Male patients accounted for 55.2% of the study population, the average age was 71 years and the rate of Stanford A AAD was 51.4%. Regarding transportation, 61.6% of the patients underwent interhospital transportation, and 42.8% were transported to our hospital. All patients underwent drip infusion during transportation and 81.9% of the patients received drugs (e.g., depressors, pain killers and/or antiemetics). Two patients underwent tracheal intubation due to unconsciousness and profound shock with restless state, respectively. The systolic blood pressure after transportation to hospital was significantly higher in comparison to before transportation. No patients suffered cardiac arrest or showed a deterioration of vital signs. All patients were safely transported to the destination.ConclusionThe present study suggests the safety of using a Dr. Heli to transport AAD patients from the scene and for interhospital transportation, even after the onset.Copyright © 2020. Published by Elsevier Inc.

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