Suekane A, Takayama W, Hashimoto R, Morishita K, Otomo Y. Risk factors for recurrence of suicide attempt via overdose: A prospective observational study. The American journal of emergency medicine. 2024.01; 75 1-6. ( PubMed, DOI )

Ide Y, Urushibata N, Takayama W, Hondo K, Aiboshi J, Otomo Y. Clinical characteristics of pneumothorax and pneumomediastinum in mechanical ventilated patients with coronavirus disease 2019: a case series. Journal of medical case reports. 2024.01; 18 (1): 7. ( PubMed, DOI )

Yamamoto R, Yamakawa K, Endo A, Homma K, Sato Y, Takemura R, Yamagiwa T, Shimizu K, Kaito D, Yagi M, Yonemura T, Shibusawa T, Suzuki G, Shoji T, Miura N, Takahashi J, Narita C, Kurata S, Minami K, Wada T, Fujinami Y, Tsubouchi Y, Natsukawa M, Nagayama J, Takayama W, Ishikura K, Yokokawa K, Fujita Y, Nakayama H, Tokuyama H, Shinada K, Taira T, Fukui S, Ushio N, Nakane M, Hoshiyama E, Tampo A, Sageshima H, Takami H, Iizuka S, Kikuchi H, Hagiwara J, Tagami T, Funato Y, Sasaki J, Er-Oxytrac SG. Early restricted oxygen therapy after resuscitation from cardiac arrest (ER-OXYTRAC): protocol for a stepped-wedge cluster randomised controlled trial. BMJ open. 2023.09; 13 (9): e074475. ( PubMed, DOI )

Nakatsutsumi K, Endo A, Costantini TW, Takayama W, Morishita K, Otomo Y, Inoue A, Hifumi T, Sakamoto T, Kuroda Y, SAVE-J Ⅱ study group. Time-saving effect of real-time ultrasound-guided cannulation for extracorporeal cardiopulmonary resuscitation: A multicenter retrospective cohort study. Resuscitation. 2023.08; 191 109927. ( PubMed, DOI )

Takayama W, Endo A, Morishita K, Otomo Y. Manual Chest Compression versus Automated Chest Compression Device during Day-Time and Night-Time Resuscitation Following Out-of-Hospital Cardiac Arrest: A Retrospective Historical Control Study. Journal of personalized medicine. 2023.07; 13 (8): ( PubMed, DOI )

Kurosaki Takeshi, Hoshino Isamu, Kuwayama Naoki, Isozaki Tetsuro, Gunji Hisashi, Tonooka Toru, Soda Hiroaki, Takiguchi Nobuhiro, Nabeya Yoshihiro, Takayama Wataru. 膵尾部切除を伴う食道切除術を行った原発性食道癌　3症例報告(Primary esophageal cancer treated by esophagectomy with distal pancreatectomy: a report of three cases) Clinical Journal of Gastroenterology. 2022.08; 15 (4): 694-701. ( ichushi )

Kuwayama Naoki, Hoshino Isamu, Gunji Hisashi, Tonooka Toru, Soda Hiroaki, Kurosaki Takeshi, Takiguchi Nobuhiro, Nabeya Yoshihiro, Takayama Wataru. 3D-CT画像を用いた右肺静脈走行異常における食道癌の胸腔鏡下手術　1症例報告(A right pulmonary vein abnormality treated with 3D CT assistance in thoracoscopic surgery for esophageal cancer: a case report) Surgical Case Reports. 2022.03; 8 1 of 6-6 of 6. ( ichushi )

Takayama Wataru, Endo Akira, Murata Kiyoshi, Hoshino Kota, Kim Shiei, Shinozaki Hiroharu, Harada Keisuke, Nagano Hiroaki, Hagiwara Masahiro, Tsuchihashi Atsuhito, Shimada Nagato, Kitamura Naomi, Kuramoto Shunsuke, Otomo Yasuhiro. The impact of blood type on the mortality of patients with severe abdominal trauma: a multicenter observational study SCIENTIFIC REPORTS. 2021.08; 11 (1): 16147. ( PubMed, DOI )

Takayama W, Endo A, Morishita K, Otomo Y. Dielectric Blood Coagulometry for the Early Detection of Sepsis-Induced Disseminated Intravascular Coagulation: A Prospective Observational Study. Critical care medicine. 2021.08; 50 (1): E31-E39. ( PubMed, DOI )

Takayama Wataru, Endo Akira, Otomo Yasuhiro. Anticoagulation therapy using unfractionated heparin at a therapeutic dose for coronavirus disease 2019 patients with severe pneumonia: a retrospective historical control study(和訳中) Acute Medicine & Surgery. 2021.06; 8 (1): 1 of 7-7 of 7. ( ichushi )

Hifumi Toru, Inoue Akihiko, Takiguchi Toru, Watanabe Kazuhiro, Ogura Takayuki, Okazaki Tomoya, Ijuin Shinichi, Zushi Ryosuke, Arimoto Hideki, Takada Hiroaki, Shiraishi Shinichirou, Egawa Yuko, Kanda Jun, Nasu Michitaka, Kobayashi Makoto, Sakuraya Masaaki, Naito Hiromichi, Nakao Shunichiro, Otani Norio, Takeuchi Ichiro, Bunya Naofumi, Shimizu Takafumi, Sawano Hirotaka, Takayama Wataru, Kushimoto Shigeki, Shoko Tomohisa, Aoki Makoto, Otani Takayuki, Matsuoka Yoshinori, Homma Koichiro, Maekawa Kunihiko, Tahara Yoshio, Fukuda Reo, Kikuchi Migaku, Nakagami Takuo, Hagiwara Yoshihiro, Kitamura Nobuya, Sugiyama Kazuhiro, Sakamoto Tetsuya, Kuroda Yasuhiro. Variability of extracorporeal cardiopulmonary resuscitation practice in patients with out-of-hospital cardiac arrest from the emergency department to intensive care unit in Japan(和訳中) Acute Medicine & Surgery. 2021.05; 8 (1): 1 of 10-10 of 10. ( ichushi )

Takayama W, Endo A, Otomo Y. Anticoagulation therapy using unfractionated heparin at a therapeutic dose for coronavirus disease 2019 patients with severe pneumonia: a retrospective historical control study. Acute medicine & surgery. 2021.01; 8 (1): e679. ( PubMed, DOI )

Hifumi T, Inoue A, Takiguchi T, Watanabe K, Ogura T, Okazaki T, Ijuin S, Zushi R, Arimoto H, Takada H, Shiraishi S, Egawa Y, Kanda J, Nasu M, Kobayashi M, Sakuraya M, Naito H, Nakao S, Otani N, Takeuchi I, Bunya N, Shimizu T, Sawano H, Takayama W, Kushimoto S, Shoko T, Aoki M, Otani T, Matsuoka Y, Homma K, Maekawa K, Tahara Y, Fukuda R, Kikuchi M, Nakagami T, Hagiwara Y, Kitamura N, Sugiyama K, Sakamoto T, Kuroda Y, SAVE‐J II Study Group.. Variability of extracorporeal cardiopulmonary resuscitation practice in patients with out-of-hospital cardiac arrest from the emergency department to intensive care unit in Japan. Acute medicine & surgery. 2021.01; 8 (1): e647. ( PubMed, DOI )

Takayama W, Endo A, Yoshii J, Arai H, Oi K, Nagaoka E, Toyama S, Yamamoto H, Uchida T, Otomo Y. Severe COVID-19 Pneumonia in a 30-Year-Old Woman in the 36th Week of Pregnancy Treated with Postpartum Extracorporeal Membrane Oxygenation. The American journal of case reports. 2020.10; 21 e927521. ( PubMed, DOI )

Takayama Wataru, Endo Akira, Koguchi Hazuki, Murata Kiyoshi, Otomo Yasuhiro. Age-related differences in the impact of coagulopathy in patients with isolated traumatic brain injury: An observational cohort study JOURNAL OF TRAUMA AND ACUTE CARE SURGERY. 2020.09; 89 (3): 523-528. ( PubMed, DOI )

Takayama Wataru, Endo Akira, Koguchi Hazuki, Murata Kiyoshi, Otomo Yasuhiro. Differences in durations, adverse events, and outcomes of in-hospital cardiopulmonary resuscitation between day-time and night-time: An observational cohort study RESUSCITATION. 2019.04; 137 14-20. ( PubMed, DOI )

Takayama Wataru, Endo Akira, Koguchi Hazuki, Sugimoto Momoko, Murata Kiyoshi, Otomo Yasuhiro. The impact of blood type O on mortality of severe trauma patients: a retrospective observational study CRITICAL CARE. 2018.05; 22 (1): 100. ( PubMed, DOI )

Takayama Wataru, Koguchi Hazuki, Endo Akira, Otomo Yasuhiro. The Association between Cardiopulmonary Resuscitation in Out-of-Hospital Settings and Chest Injuries: A Retrospective Observational Study PREHOSPITAL AND DISASTER MEDICINE. 2018.04; 33 (2): 171-175. ( PubMed, DOI )

Takayama W, Yamasaki K, Endo A, Otomo Y. A Case of Impalement Brain Injury That Could Achieve Good Neurological Outcome by Introducing Early Sedation and Immobilization Strategy. Case reports in emergency medicine. 2018; 2018 3025717. ( PubMed, DOI )