Sen Yachi, Makoto Takeyama, Yuji Nishimoto, Ichizo Tsujino, Junichi Nakamura, Naoto Yamamoto, Hiroko Nakata, Satoshi Ikeda, Michihisa Umetsu, Shizu Aikawa, et al. Risk Factors and Impact on Outcomes of Thrombosis in Patients with COVID-19 in Japan: From the CLOT-COVID Study. Annals of vascular diseases. 2023. 16. 1. 31-37
Yugo Yamashita, Sen Yachi, Makoto Takeyama, Yuji Nishimoto, Ichizo Tsujino, Junichi Nakamura, Naoto Yamamoto, Hiroko Nakata, Satoshi Ikeda, Michihisa Umetsu, et al. Prophylactic Anticoagulation and Thrombosis in Hospitalized Patients with Clinically Stable COVID-19 at Admission: From the Practice-Based Observational Study. Annals of Vascular Diseases. 2023
Michihisa Umetsu, Hajime Kanamori, Koji Murakami, Takuya Shiga, Sen Yachi, Makoto Takeyama, Yuji Nishimoto, Ichizo Tsujino, Junichi Nakamura, Naoto Yamamoto, et al. Clinical Features Comparing Arterial Thrombosis and Venous Thromboembolism in Hospitalized Patients with COVID-19: Result from the CLOT-COVID Study. Annals of Vascular Diseases. 2023
Makoto Takeyama, Sen Yachi, Yuji Nishimoto, Ichizo Tsujino, Junichi Nakamura, Naoto Yamamoto, Hiroko Nakata, Satoshi Ikeda, Michihisa Umetsu, Shizu Aikawa, et al. Mortality-Associated Risk Factors in Hospitalized COVID-19 Patients in Japan: Findings of the CLOT-COVID Study. Journal of epidemiology. 2022. 33. 3. 150-157
Junichi Nakamura, Ichizo Tsujino, Sen Yachi, Makoto Takeyama, Yuji Nishimoto, Satoshi Konno, Naoto Yamamoto, Hiroko Nakata, Satoshi Ikeda, Michihisa Umetsu, et al. Incidence, risk factors, and clinical impact of major bleeding in hospitalized patients with COVID-19: a sub-analysis of the CLOT-COVID Study. Thrombosis journal. 2022. 20. 1. 53-53