• Tomokazu Motomura, Atsushi Hirabayashi, Hisashi Matsumoto, Nobutaka Yamauchi, Mitsunobu Nakamura, Hiroshi Machida, Kenji Fujizuka, Naomi Otsuka, Tomoko Satoh, Hideaki Anan, Hisayoshi Kondo, and Yuichi Koido.
• Shock and Trauma Center, Nippon Medical School Chiba Hokusoh Hospital.
• J Nippon Med Sch. 2018 Jan 1; 85 (2): 124-130.

AbstractMore than 6,000 people died in the Great Hanshin (Kobe) Earthquake in 1995, and it was later reported that there were around 500 preventable trauma deaths. In response, the Japanese government developed the helicopter emergency medical service in 2001, known in Japan as the "Doctor-Heli" (DH), which had 46 DHs and 2 private medical helicopters as of April 2016. DHs transport physicians and nurses to provide pre-hospital medical care at the scene of medical emergencies. Following lessons learned in the Great East Japan Earthquake in 2011, a research group in the Ministry of Health, Labour and Welfare developed a command and control system for the DH fleet as well as the Disaster Relief Aircraft Management System Network (D-NET), which uses a satellite communications network to monitor the location of the fleet and weather in real-time during disasters. During the Kumamoto Earthquake disaster in April 2016, 75 patients were transported by 13 DHs and 1 private medical helicopter in the first 5 days. When medical demand for the DHs exceeded supply, 5 patients, 8 patients, and 1 patient were transported by Self-Defense Force, Fire Department, and Coast Guard helicopters, respectively. Of the 89 patients who were transported, 30 (34%) had trauma, 3 (3%) had pulmonary embolisms caused by sleeping in vehicles, and 17 (19%) were pregnant women or newborns. This was the first time that the command and control system for aeromedical transport and D-NET, established after the Great East Japan Earthquake in 2011, were operated in an actual large-scale disaster. Aeromedical transport by DHs and helicopters belonging to several other organizations was accomplished smoothly because the commanders of the involved organizations could communicate directly with each other in person within the Aviation Coordination Section of the prefectural government office. However, ongoing challenges in the detailed operating methods for aeromedical transport were highlighted and include improving shared knowledge and training across the organizational framework. These are particularly important issues to address given the Nankai Trough and Tokyo inland earthquakes that are predicted for the near future in Japan.

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