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Objective: To analyse injuries and illnesses during the 2020 Tokyo Olympic Summer Games., Methods: This retrospective descriptive study included 11 420 athletes from 206 National Olympic Committees and 312 883 non-athletes. Incidences of injuries and illnesses during the competition period from 21 July to 8 August 2021 were analysed., Results: A total of 567 athletes (416 injuries, 51 non-heat-related illnesses and 100 heat-related illnesses) and 541 non-athletes (255 injuries, 161 non-heat-related illnesses and 125 heat-related illnesses) were treated at the competition venue clinic. Patient presentation and hospital transportation rates per 1000 athletes were 50 and 5.8, respectively. Marathons and race walking had the highest incidence of injury and illness overall (17.9%; n=66). The highest incidence of injury (per participant) was noted in boxing (13.8%; n=40), sport climbing (12.5%; n=5) and skateboarding (11.3%; n=9), excluding golf, with the highest incidence of minor injuries. Fewer infectious illnesses than previous Summer Olympics were reported among the participants. Of the 100 heat-related illnesses in athletes, 50 occurred in the marathon and race walking events. Only six individuals were transported to a hospital due to heat-related illness, and none required hospital admission., Conclusion: Injuries and heat-related illnesses were lower than expected at the 2020 Tokyo Olympic Summer Games. No catastrophic events occurred. Appropriate preparation including illness prevention protocols, and treatment and transport decisions at each venue by participating medical personnel may have contributed to these positive results., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.)

Purpose: To achieve early recovery and early discharge from the hospital by applying an enhanced recovery after surgery (ERAS) protocol, which is mainly used with colonic surgery, for the perioperative management of open AAA surgery., Method: One hundred twenty-seven open AAA surgery cases successfully carried out between 2003 and 2011 were included in this study. The ERAS protocol was used for the cases from April 2008 onward, and we performed a comparison of the conventionally treated cases with ERAS cases regarding the start of postoperative oral consumption, the postoperative hospital stay, and hospitalization medical costs., Results: The time to restarting oral consumption and the postoperative hospital stay were significantly shorter for the ERAS group (n = 52) compared to the conventionally managed group (n = 75); with values of 59 ± 15 and 93 ± 25 h (p = 0.021), 9 ± 3 and 16 ± 5 days (p = 0.001), respectively. The medical costs for the ERAS group were 92 % of the costs of the conventionally managed group., Conclusion: Use of the ERAS protocol for the perioperative management of open AAA surgery shortened the time before recommencing oral consumption, the postoperative hospital stay, and reduced the medical costs compared to the conventional approach.

On the day of the disaster, 641 victims were seen at St. Luke's International Hospital. Among those, five victims arrived with cardiopulmonary or respiratory arrest with marked miosis and extremely low serum cholinesterase values; two died and three recovered completely. In addition to these five critical patients, 106 patients, including four pregnant women, were hospitalized with symptoms of mild to moderate exposure. Other victims had only mild symptoms and were released after 6 hours of observation. Major signs and symptoms in victims were miosis, headache, dyspnea, nausea, ocular pain, blurred vision, vomiting, coughing, muscle weakness, and agitation. Almost all patients showed miosis and related symptoms such as headache, blurred vision, or visual darkness. Although these physical signs and symptoms disappeared within a few weeks, psychologic problems associated with posttraumatic stress disorder persisted longer. Also, secondary contamination of the house staff occurred, with some sort of physical abnormality in more than 20%.