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    Article

    Retrospectively diagnosed autoimmune VWF deficiency in a patient with repeated hemorrhagic events after two common colds

    Autoimmune von Willebrand factor (VWF) deficiency (AiVWFD) caused by anti-VWF autoantibodies is a rare bleeding disorder, whereas “non-immune” acquired von Willebrand syndrome (AVWS) caused by other etiologies...

    Yoshiyuki Ogawa, Akitada Ichinose, Kunio Yanagisawa in International Journal of Hematology (2024)

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    Article

    A case of cholangiocarcinoma complicating liver abscess-related tumor thrombus extending via the inferior vena cava to the right ventricle and visualized on transthoracic echocardiography

    Toshimitsu Kato, Kunio Yanagisawa, Kenya Okada in Journal of Medical Ultrasonics (2024)

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    Article

    Laparoscopic hepatectomy for hepatocellular carcinoma in patients with hemophilia A and B: a report of two cases

    Hepatocellular carcinoma (HCC) is a life-threatening complication of hemophilia. Reports of patients with hemophilia undergoing hepatectomy for HCC are scarce. We report the cases of patients with hemophilia A...

    Mariko Tsukagoshi, Norifumi Harimoto in Clinical Journal of Gastroenterology (2023)

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    Article

    Chronic left ventricular apical thrombosis complicating isolated left ventricular noncompaction in a patient with human immunodeficiency virus infection

    Toshimitsu Kato, Norimichi Koitabashi, Yukie Sano in Journal of Medical Ultrasonics (2023)

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    Successful treatment of Japanese hemophilia patient co-infected with HIV and HCV genotype 4a by glecaprevir/pibrentasvir therapy

    Although direct-acting antiviral (DAA)-based anti-hepatitis C virus (HCV) therapies are very effective for patients with genotypes 1 and 2, evidence of the efficacy of DAA-based therapy for the special populat...

    Ken Sato, Yuki Kanayama, Yuichi Yamazaki in Clinical Journal of Gastroenterology (2021)

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    Article

    Methicillin-resistant Staphylococcus aureus-induced right-sided infective endocarditis detected by transthoracic echocardiography: the importance of parasternal short-axis view screening

    Keiko Morita, Toshimitsu Kato, Koji Kurosawa in Journal of Medical Ultrasonics (2021)

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    Article

    Overshoot of FVIII activity in patients with acquired hemophilia A who achieve complete remission

    Acquired hemophilia A (AHA) is a rare, life-threatening bleeding disorder caused by autoantibodies against coagulation factor VIII (FVIII). Immunosuppressive therapy for AHA aims to arrest bleeding by eliminat...

    Yoshiyuki Ogawa, Kunio Yanagisawa, Chiaki Naito in International Journal of Hematology (2020)

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    Article

    Successful hemostatic management of major surgery for cervical spondylotic myelopathy in a patient with severe factor XI deficiency

    Factor XI deficiency (FXID) is a rare bleeding disorder caused by mutations in the F11 gene. Spontaneous bleeding in patients with factor XI deficiency is rare, but major bleeding may occur after surgery or traum...

    Yoshiyuki Ogawa, Kunio Yanagisawa, Yuri Uchiyama in International Journal of Hematology (2018)

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    Article

    Darunavir concentration in PBMCs may be a better indicator of drug exposure in HIV patients

    The clinical efficacies of some antiretroviral drugs are known to not depend on its concentration in blood. To establish a method of dosage adjustment for darunavir (DRV) based on pharmacokinetic theory, we an...

    Daisuke Nagano, Takuya Araki, Kunio Yanagisawa in European Journal of Clinical Pharmacology (2018)

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    Article

    Clinical characteristics and outcomes of acquired hemophilia A: experience at a single center in Japan

    Acquired hemophilia A (AHA), which is caused by autoantibodies against coagulation factor VIII (FVIII) is a rare, life-threatening bleeding disorder, the incidence of which appears to be increasing in Japan as...

    Yoshiyuki Ogawa, Kunio Yanagisawa, Hideki Uchiumi in International Journal of Hematology (2017)

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    Article

    Successful management of perioperative hemostasis in a patient with Glanzmann thrombasthenia who underwent a right total mastectomy

    Perioperative hemostatic management is a challenge in patients with Glanzmann thrombasthenia (GT). The standard means of preventing surgical bleeding in GT patients is platelet transfusion. However, GT patient...

    Yoshiyuki Ogawa, Shinji Kunishima, Kunio Yanagisawa in International Journal of Hematology (2017)

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    Article

    Water intoxication associated with moderate dose of cyclophosphamide pulse therapy in an elderly patient: a case report and literature review

    Intravenous high-dose cyclophosphamide infusion, usually performed to treat malignant neoplasms, is known to cause water intoxication. Intravenous cyclophosphamide pulse therapy (IVCY) is increasingly being em...

    Kunio Yanagisawa, Keiju Hiromura, Hiroaki Yagi, Akihiko Yokohama in Modern Rheumatology (2005)