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  1. No Access

    Article

    Effect of remifentanil on three effect-site concentrations of propofol and their relationship during electroencephalography at loss of response, at maximum alpha power, and at onset of burst suppression: a prospective randomized trial

    The effect-site concentration (Ce) at loss of response (Ce-LOR) to propofol closely correlates both with Ce as electroencephalographic alpha power becomes highest (Ce-alpha) and with Ce at onset of burst suppr...

    Satoshi Aihara, Satoshi Hagihira, Rieko Uno, Takahiko Kamibayashi in Journal of Anesthesia (2024)

  2. Article

    Open Access

    Postoperative tetraplegia due to conversion disorder upon emergence from general anesthesia

    Acute neurological deficit upon emergence from general anesthesia is a serious emergency. Conversion disorder, previously known as hysteria, is a somatoform disorder that causes neurological deficits without a...

    Asuka Ito, Tatsuo Nakamoto, Sayaka Ohira, Takahiko Kamibayashi in JA Clinical Reports (2020)

  3. Article

    Open Access

    Effectiveness of combined antithrombin and thrombomodulin therapy on in-hospital mortality in mechanically ventilated septic patients with disseminated intravascular coagulation

    Septic patients can develop disseminated intravascular coagulation (DIC), which is characterized by systemic blood coagulation and an increased risk of life-threatening haemorrhage. Although antithrombin (AT) ...

    Takeshi Umegaki, Susumu Kunisawa, Kota Nishimoto in Scientific Reports (2020)

  4. Article

    Open Access

    A rare case of atropine-resistant bradycardia following sugammadex administration

    Profound bradycardia caused by sugammadex has been reported, although its mechanism is unclear. Herein, we suggest a possible culprit for this phenomenon.

    Takayuki Yoshida, Chisato Sumi, Takeo Uba, Haruka Miyata in JA Clinical Reports (2020)

  5. Article

    Open Access

    Bromocriptine use for sudden peripartum cardiomyopathy in a patient with preeclampsia: a case report

    Peripartum cardiomyopathy is an uncommon form of heart failure that occurs in otherwise healthy women during pregnancy or until 5 months postpartum. Here, we report a rare case where a female patient underwent...

    Saya Hakata, Takeshi Umegaki, Takehiro Soeda, Kota Nishimoto in JA Clinical Reports (2019)

  6. Article

    Open Access

    Relief of cardiac tamponade by a congenital partial left-sided pericardial defect in a patient with ruptured acute type A aortic dissection: a case report

    Acute type A aortic dissections have an extremely poor prognosis, and cardiac tamponade is a major cause of death in these patients. Here, we describe a case where congenital partial pericardial defect relieve...

    Kota Nishimoto, Takeshi Umegaki, Sayaka Ohira, Yurina Nakajima in JA Clinical Reports (2019)

  7. No Access

    Article

    The impact of low body mass index on postoperative outcomes in pancreatectomy patients: a retrospective analysis of Japanese administrative data

    To comparatively examine in-hospital mortality among different underweight body mass index (BMI) categories in pancreatic cancer patients after pancreatectomy in Japan.

    Takeshi Umegaki, Susumu Kunisawa, Masaya Kotsuka, So Yamaki in Journal of Anesthesia (2018)

  8. Article

    Open Access

    Rapid development of a spinal epidural hematoma following thoracic epidural catheter removal in an esophageal carcinoma surgical patient: a case report

    The occurrence of spinal epidural hematomas associated with the use of epidural catheters is relatively rare. Furthermore, it is unusual for hematoma-associated neurological symptoms to occur within 15 min of ...

    Takeshi Umegaki, Kiichi Hirota, Sayaka Ohira, Takeo Uba in JA Clinical Reports (2016)

  9. No Access

    Article

    Paravertebral block decreases opioid administration without causing hypotension during transapical transcatheter aortic valve implantation

    Paravertebral block (PVB) is feasible for postoperative analgesia in patients who undergo cardiac surgery with unilateral thoracotomy. Postoperative continuous PVB is as effective as thoracic epidural anesthes...

    Kenta Okitsu, Takeshi Iritakenishi, Mitsuo Iwasaki, Tatsuyuki Imada in Heart and Vessels (2016)

  10. Article

    Erratum to: The efficacy of continuous subcostal transversus abdominis plane block for analgesia after living liver donation: a retrospective study

    Akihiko Maeda, Sho Carl Shibata, Hiroshi Wada, Shigeru Marubashi in Journal of Anesthesia (2016)

  11. No Access

    Article

    The efficacy of continuous subcostal transversus abdominis plane block for analgesia after living liver donation: a retrospective study

    Postoperative pain management for living liver donors has become a major concern as a result of the increasing number of living liver donations. Transversus abdominis plane (TAP) block has been known to provid...

    Akihiko Maeda, Sho Carl Shibata, Hiroshi Wada, Shigeru Marubashi in Journal of Anesthesia (2016)

  12. No Access

    Article

    Early postoperative management of heart transplant recipients with current ventricular assist device support in Japan: experience from a single center

    This study reviews our experience with the perioperative management of heart transplant (HT) recipients and explores how prior ventricular assist device (VAD) support affects the requirements for postoperative...

    Yu Matsumoto, Sho C. Shibata, Akihiko Maeda, Daisuke Yoshioka in Journal of Anesthesia (2015)

  13. No Access

    Article

    Nicorandil prevents epinephrine-induced arrhythmias in halothane-anesthetized rats by nitric oxide-dependent mechanism

    The effect of opening ATP-sensitive K+ channels on the genesis of arrhythmias is still controversial. We investigated the effect of nicorandil, an ATP-sensitive K+ channel opener, on the genesis of halothane-epi...

    Yusuke Kawai, Yukio Hayashi, Isao Ito in Naunyn-Schmiedeberg's Archives of Pharmaco… (2002)

  14. Article

    Alpha-2 adrenergic agonists

    The use of α2 agonists, either alone or in combination, is becoming widespread in anaesthesia. The original enthusiasm for this class of compound for its plethora of beneficial effects appears to have been justif...

    Takahiko Kamibayashi, Katsumi Harasawa, Mervyn Maze in Canadian Journal of Anaesthesia (1997)

  15. Article

    Selective beta1 and beta2 adrenoceptor blockade on epinephrine-induced arrhythmias in halothane anaesthetized dogs

    Beta2 as well as beta1 adrenoceptors have been recognized in the heart of vertebrates. They mediate a positive chronotropic action of catecholamines. We compared the effect of selective beta1 and beta2 adrenocept...

    Yukio Hayashi, Koji Sumikawa, Takahiko Kamibayashi in Canadian Journal of Anaesthesia (1992)