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Koido, Yuichi
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Nursing Public Health

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Stairwell-Based Meal Delivery During Hospital Elevator Outages in Disasters: A Simulation Feasibility Study Kamimura, Hiroki; Igarashi, Yutaka; Sakai, Yoshiko; Okada, Ichiro; Koido, Yuichi; Yokobori, Shoji
ASEAN Journal of Disaster Health Management (AJDHM) Vol 2 No 1 (2026): January
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajdhm.v2i1.23635

Abstract

Introduction: Large-scale disasters can disable hospital elevators, disrupting vertical transport of supplies and meals. Ensuring continued meal provision for inpatients is critical for patient health and hospital continuity. Objective: We simulated a stairway-based “bucket brigade” meal delivery system to quantify the time and staffing required when elevators are out of service, informing hospital disaster business continuity planning. Methods: A relay of 41 staff was stationed from a basement kitchen (B2) to a ward on the 3rd floor. A load of 32 meal trays (one cart) was passed hand-to-hand up the stairs, and return descent times were measured. We extrapolated these results to higher floors (3rd–12th) for a full meal round (64 trays/ward). Results: Delivering 32 trays to 3F took 5 min 56 sec upward and 3 min 49 sec downward. No drops or injuries occurred. Extrapolation indicated 69 min upward and 44 min downward to supply 64 meals to all wards up to 12F, requiring approximately 130 personnel positions. Conclusions: Stairwell delivery is feasible but labor-intensive. Over one hour and a large multidisciplinary team would be needed to deliver meals hospital-wide during elevator outages. Hospitals should incorporate such scenarios into disaster plans to ensure continuity of care.
The Mutual Growth of International and National Emergency Medical Teams (EMT): Synergetic Growth and Reinforcement Between Japan’s Disaster Relief Team and Disaster Medical Assistance Team Koido, Yuichi; Toyokuni, Yoshiki; Ariani, Madelina; Kubo, Tatsuhiko; Iimura, Tsutomu; Oba, Jiro
ASEAN Journal of Disaster Health Management (AJDHM) Vol 1 No 2 (2025): July
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajdhm.v1i2.14390

Abstract

Introduction: Japan, situated on the seismically active Pacific Ring of Fire, frequently experiences natural disasters. Consequently, Japan’s disaster medical response system has evolved significantly, leveraging both international and domestic experiences. This study reports the development of Japan’s disaster medical teams, emphasizing the synergistic relationship between international and domestic response efforts while highlighting key milestones in the system’s evolution. Methods: This study utilizes a case study approach to report the historical evolution of Japan’s disaster medical response system. Data were gathered through document reviews and a rapid review approach, which assessed major events and structural developments. Results: Japan’s early international disaster medical efforts began with its response to the Cambodian refugee crisis in the 1970s, leading to the establishment of JMTDR and later JDRT. Domestically, the Great Hanshin-Awaji Earthquake in 1995 catalysed the establishment of DMAT and Japan NDMS. The J-SPEED system, inspired by international deployments, further standardized WHO EMT for rapid and informative medical data collection. Conclusion: The evolution of Japan’s disaster medical teams highlights key milestones and the synergetic collaboration between JDRT and DMAT. Japan’s international and domestic disaster response systems have facilitated the advancement of disaster response capabilities, leading to more sophisticated response abilities.
Co-Authors Igarashi, Yutaka Iimura, Tsutomu Kamimura, Hiroki Kubo, Tatsuhiko Madelina Ariani Oba, Jiro Okada, Ichiro Sakai, Yoshiko Toyokuni, Yoshiki Yokobori, Shoji