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  1. Article

    Open Access

    Hypothermic circulatory arrest at 20 ℃ does not deteriorate coagulopathy compared to 28 ℃ in a pig model

    It is believed that a lower temperature setting of hypothermic circulatory arrest (HCA) in thoracic aortic surgery causes coagulopathy, resulting in excessive bleeding. However, experimental studies that elimi...

    Hayato Ise, Kyohei Oyama, Ryohei Ushioda, Aina Hirofuji in Journal of Artificial Organs (2024)

  2. Article

    Open Access

    Combining aortic arch dissection stent implantation and root surgery for aortic dissection type A

    Acute aortic dissection type A (AADA) is associated with high perioperative morbidity and mortality. A novel non-covered hybrid prosthesis (AMDS, CryoLife, Kennesaw, USA) can be easily implanted to stabilize t...

    Moritz Benjamin Immohr, Arash Mehdiani in Journal of Cardiothoracic Surgery (2023)

  3. Article

    Open Access

    Hypothermic circulatory arrest does not induce coagulopathy in vitro

    Hypothermic circulatory arrest (HCA) is an essential procedure during aortic surgery to protect organs; however, hypothermia is believed to cause coagulopathy, which is a major fatal complication. This study a...

    Hayato Ise, Kyohei Oyama, Shingo Kunioka in Journal of Artificial Organs (2022)

  4. Article

    Open Access

    Correction to: Hypothermic circulatory arrest induced coagulopathy: rotational thromboelastometry analysis

    The article “Hypothermic circulatory arrest induced coagulopathy: rotational thromboelastometry analysis”, written by Hayato Ise, Hiroto Kitahara, Kyohei Oyama, Keiya Takahashi, Hirotsugu Kanda, Satoshi Fujii,...

    Hayato Ise, Hiroto Kitahara, Kyohei Oyama in General Thoracic and Cardiovascular Surgery (2020)

  5. Article

    Open Access

    Hypothermic circulatory arrest induced coagulopathy: rotational thromboelastometry analysis

    Hypothermic circulatory arrest (HCA) has been considered to cause coagulopathy during cardiac surgery. However, coagulopathy associated with HCA has not been understood clearly in details. The objective of thi...

    Hayato Ise, Hiroto Kitahara, Kyohei Oyama in General Thoracic and Cardiovascular Surgery (2020)

  6. No Access

    Article

    Routine postoperative computed tomography is superior to cardiac ultrasonography for predicting delayed cardiac tamponade

    Delayed cardiac tamponade (DCT) can be a fatal complication after cardiac surgery, but its early diagnosis and/or prediction is sometimes difficult. This study aimed to confirm the efficacy of postoperative co...

    Keisuke Kamada, Naohiro Wakabayashi in The International Journal of Cardiovascula… (2020)

  7. No Access

    Article

    Transfer of a minimally invasive mitral valve repair program from a high-volume center to a very low volume center: how many cases are necessary to maintain acceptable results?

    To investigate whether minimally invasive mitral valve repair (MIMVR) can be transferred from a high-volume center into a very small volume center and to clarify how many cases are necessary for maintenance of...

    Hiroyuki Kamiya, Hiroto Kitahara in General Thoracic and Cardiovascular Surgery (2019)

  8. Article

    Open Access

    Giant left atrial myxoma causing acute ischemic stroke in a child

    Ischemic stroke is uncommon in pediatric populations and is sometimes caused by cardiac myxoma. In such cases, neurological deficits initially present in ischemic stroke due to emboli or thrombi of the myxoma....

    Hayato Ise, Natsuya Ishikawa, Sentaro Nakanishi, Hiroyuki Kamiya in Surgical Case Reports (2018)