Japan’s unique geographical position at the intersection of four tectonic plates makes it one of the world’s most disaster-prone nations. The country has experienced numerous catastrophic events, including the 2011 Great East Japan Earthquake, the 2016 Kumamoto Earthquakes, and various typhoons and floods. These disasters have provided invaluable insights into the critical role of anesthesiologists in disaster medicine. This comprehensive review examines the multifaceted contributions of anesthesiologists to disaster responses in Japan, analyzing their role beyond traditional perioperative care, and identifying key lessons for global disaster preparedness. We conducted a systematic review of the published literature on anesthesiologist involvement in Japanese disaster responses from 1995 to 2024, including peer-reviewed articles, official reports, and case studies from major disasters. Evaluation showed that Japanese anesthesiologists have performed critical roles in multiple disaster scenarios, such as: emergency airway management and hemodynamic stabilization in field conditions, coordination of hospital evacuations for critically ill patients, leadership in Disaster Medical Assistance Teams (DMAT), provision of regional anesthesia and pain management in resource-limited settings, and development of disaster-resilient perioperative protocols. Their key competencies include adaptability, interdisciplinary collaboration, and expertise in austere medical environments. The Japanese experience demonstrates that anesthesiologists are indispensable in disaster medicine, contributing skills that extend far beyond the operating room. Their unique combination of abilities related to airway expertise, hemodynamic management, pharmacological knowledge, and critical care training positions them as essential members of disaster response teams. Future preparedness strategies should formally integrate anesthesiologists into disaster planning, enhance their training in disaster medicine, and develop specialized protocols for perioperative care under extreme conditions.
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