• Keisuke Ishii, Taketo Kurozumi, Takashi Suzuki, Kentaro Matsui, Takahiro Inui, Yuhei Nakayama, Shinnosuke Yamashita, Shuya Takahashi, Tomoo Nakagawa, Junki Suzuki, Yasufumi Miyake, Toshio Sagawa, Kaori Ito, Taichiro Tsunoyama, Kahoko Nakazawa, Tsuyoshi Nagao, Takahiro Oonuki, Masahiro Asami, Tetsuya Sakamoto, and Yoshinobu Watanabe.
• Trauma and Reconstruction Center, Teikyo University Hospital, 2-11-1, Kaga, Itabashi-Ku, Tokyo, 173-8606, Japan. Electronic address: keisuke99ishii@gmail.com.
• J Orthop Sci. 2020 Dec 29.

BackgroundThe Coronavirus disease 2019 pandemic caused the Japanese government to declare a State of Emergency on April 7, 2020. The aim of this study is to provide an overview of the effects of the pandemic on surgical cases at a university hospital trauma center.MethodsAn observational study was performed at a trauma center in a tertiary hospital in Tokyo, Japan. The number of surgeries was compared between two periods: a historical control period (Tuesday April 9 to Monday May 27, 2019) and the period of the Japan State of Emergency due to COVID-19 (Tuesday April 7-Monday May 25, 2020). Information on patient age, gender, and surgical diagnosis, site, and procedure was collected for cases operated on in each period. The number of trauma surgeries was compared between the two periods. Data from the two periods were compared statistically.ResultsThe total number of surgical cases was 151 in the control period and 83 in the COVID-19 period (including no cases with COVID-19), a decrease of 45.0%. There were significantly more surgeries for patients with hip fractures in the COVID-19 period (9 vs. 19, P < 0.001 by Fisher exact test).ConclusionsDuring the State of Emergency in Japan, the number of operations for trauma patients at the trauma center decreased, but surgeries for hip fracture increased.Copyright © 2020 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.

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