本間　康一郎 （ホンマ　コウイチロウ）

Honma, Koichiro

写真a

所属（所属キャンパス）

医学部 救急医学教室 （信濃町）

職名

准教授
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  • 医学博士, 慶應義塾大学

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  • Extracorporeal cardiopulmonary resuscitation in adult patients with out-of-hospital cardiac arrest: a retrospective large cohort multicenter study in Japan

    Inoue A., Hifumi T., Sakamoto T., Okamoto H., Kunikata J., Yokoi H., Sawano H., Egawa Y., Kato S., Sugiyama K., Bunya N., Kasai T., Ijuin S., Nakayama S., Kanda J., Kanou S., Takiguchi T., Yokobori S., Takada H., Inoue K., Takeuchi I., Honzawa H., Kobayashi M., Hamagami T., Takayama W., Otomo Y., Maekawa K., Shimizu T., Nara S., Nasu M., Takahashi K., Hagiwara Y., Kushimoto S., Fukuda R., Ogura T., Shiraishi S.i., Zushi R., Otani N., Kikuchi M., Watanabe K., Nakagami T., Shoko T., Kitamura N., Otani T., Matsuoka Y., Aoki M., Sakuraya M., Arimoto H., Homma K., Naito H., Nakao S., Okazaki T., Tahara Y., Kuroda Y., Senda A., Suzuki H., Tanimoto A., Kitagawa K., Katayama Y., Igarashi N., Kawano M., Kuroki Y., Umehara T., Sasaki Y., Tominaga N., Hamaguchi T., Sakai T., Abe T., Hanafusa H., Yamaoka Y., Kakizaki Y., Sakato S., Kashiwabara S., Kadoya T., Misumi K., Kobayashi T., Yamada S., Kobayashi M., Akashi N., Kuno M., Maruyama J., Kobata H., Soh M., Shirasaki K., Shiba D., Isokawa S., Uchida M., Sakurai A., Tatsukawa H., Nishikawa M., Kojima M., Kosaki R., Shimazui T., Kinoshita H., Sawada Y., Yamamoto R., Masuzawa Y., Matsumura K., Shimazaki J.

    Critical Care （Critical Care）  26 （ 1 ）  2022年12月

    ISSN  13648535

    　概要を見る

    Background: The prevalence of extracorporeal cardiopulmonary resuscitation (ECPR) in patients with out-of-hospital cardiac arrest (OHCA) has been increasing rapidly worldwide. However, guidelines or clinical studies do not provide sufficient data on ECPR practice. The aim of this study was to provide real-world data on ECPR for patients with OHCA, including details of complications. Methods: We did a retrospective database analysis of observational multicenter cohort study in Japan. Adult patients with OHCA of presumed cardiac etiology who received ECPR between 2013 and 2018 were included. The primary outcome was favorable neurological outcome at hospital discharge, defined as a cerebral performance category of 1 or 2. Results: A total of 1644 patients with OHCA were included in this study. The patient age was 18–93 years (median: 60 years). Shockable rhythm in the initial cardiac rhythm at the scene was 69.4%. The median estimated low flow time was 55 min (interquartile range: 45–66 min). Favorable neurological outcome at hospital discharge was observed in 14.1% of patients, and the rate of survival to hospital discharge was 27.2%. The proportions of favorable neurological outcome at hospital discharge in terms of shockable rhythm, pulseless electrical activity, and asystole were 16.7%, 9.2%, and 3.9%, respectively. Complications were observed during ECPR in 32.7% of patients, and the most common complication was bleeding, with the rates of cannulation site bleeding and other types of hemorrhage at 16.4% and 8.5%, respectively. Conclusions: In this large cohort, data on the ECPR of 1644 patients with OHCA show that the proportion of favorable neurological outcomes at hospital discharge was 14.1%, survival rate at hospital discharge was 27.2%, and complications were observed during ECPR in 32.7%.

  • Early intubation and decreased in-hospital mortality in patients with coronavirus disease 2019

    Yamamoto R., Kaito D., Homma K., Endo A., Tagami T., Suzuki M., Umetani N., Yagi M., Nashiki E., Suhara T., Nagata H., Kabata H., Fukunaga K., Yamakawa K., Hayakawa M., Ogura T., Hirayama A., Yasunaga H., Sasaki J.

    Critical Care （Critical Care）  26 （ 1 ）  2022年12月

    ISSN  13648535

    　概要を見る

    Background: Some academic organizations recommended that physicians intubate patients with COVID-19 with a relatively lower threshold of oxygen usage particularly in the early phase of pandemic. We aimed to elucidate whether early intubation is associated with decreased in-hospital mortality among patients with novel coronavirus disease 2019 (COVID-19) who required intubation. Methods: A multicenter, retrospective, observational study was conducted at 66 hospitals in Japan where patients with moderate-to-severe COVID-19 were treated between January and September 2020. Patients who were diagnosed as COVID-19 with a positive reverse-transcription polymerase chain reaction test and intubated during admission were included. Early intubation was defined as intubation conducted in the setting of ≤ 6 L/min of oxygen usage. In-hospital mortality was compared between patients with early and non-early intubation. Inverse probability weighting analyses with propensity scores were performed to adjust patient demographics, comorbidities, hemodynamic status on admission and time at intubation, medications before intubation, severity of COVID-19, and institution characteristics. Subgroup analyses were conducted on the basis of age, severity of hypoxemia at intubation, and days from admission to intubation. Results: Among 412 patients eligible for the study, 110 underwent early intubation. In-hospital mortality was lower in patients with early intubation than those with non-early intubation (18 [16.4%] vs. 88 [29.1%]; odds ratio, 0.48 [95% confidence interval 0.27–0.84]; p = 0.009, and adjusted odds ratio, 0.28 [95% confidence interval 0.19–0.42]; p < 0.001). The beneficial effects of early intubation were observed regardless of age and severity of hypoxemia at time of intubation; however, early intubation was associated with lower in-hospital mortality only among patients who were intubated later than 2 days after admission. Conclusions: Early intubation in the setting of ≤ 6 L/min of oxygen usage was associated with decreased in-hospital mortality among patients with COVID-19 who required intubation. Trial Registration None.

  • Intestinal Epithelial NAD<sup>+</sup>Biosynthesis Regulates GLP-1 Production and Postprandial Glucose Metabolism in Mice

    Nagahisa T., Yamaguchi S., Kosugi S., Homma K., Miyashita K., Irie J., Yoshino J., Itoh H.

    Endocrinology (United States) （Endocrinology (United States)）  163 （ 4 ）  2022年04月

    ISSN  00137227

    　概要を見る

    Obesity is associated with perturbations in incretin production and whole-body glucose metabolism, but the precise underlying mechanism remains unclear. Here, we tested the hypothesis that nicotinamide phosphoribosyltransferase (NAMPT), which mediates the biosynthesis of nicotinamide adenine dinucleotide (NAD+), a key regulator of cellular energy metabolism, plays a critical role in obesity-associated intestinal pathophysiology and systemic metabolic complications. To this end, we generated a novel mouse model, namely intestinal epithelial cell-specific Nampt knockout (INKO) mice. INKO mice displayed diminished glucagon-like peptide-1 (GLP-1) production, at least partly contributing to reduced early-phase insulin secretion and postprandial hyperglycemia. Mechanistically, loss of NAMPT attenuated the Wnt signaling pathway, resulting in insufficient GLP-1 production. We also found that diet-induced obese mice had compromised intestinal NAMPT-mediated NAD+ biosynthesis and Wnt signaling pathway, associated with impaired GLP-1 production and whole-body glucose metabolism, resembling the INKO mice. Finally, administration of a key NAD+ intermediate, nicotinamide mononucleotide (NMN), restored intestinal NAD+ levels and obesity-associated metabolic derangements, manifested by a decrease in ileal Proglucagon expression and GLP-1 production as well as postprandial hyperglycemia in INKO and diet-induced obese mice. Collectively, our study provides mechanistic and therapeutic insights into intestinal NAD+ biology related to obesity-associated dysregulation of GLP-1 production and postprandial hyperglycemia.

  • Hydrogen gas with extracorporeal cardiopulmonary resuscitation improves survival after prolonged cardiac arrest in rats

    Yin T., Becker L.B., Choudhary R.C., Takegawa R., Shoaib M., Shinozaki K., Endo Y., Homma K., Rolston D.M., Eguchi S., Ariyoshi T., Matsumoto A., Oka K., Takahashi M., Aoki T., Miyara S.J., Nishikimi M., Sasaki J., Kim J., Molmenti E.P., Hayashida K.

    Journal of Translational Medicine （Journal of Translational Medicine）  19 （ 1 ）  2021年12月

    　概要を見る

    Background: Despite the benefits of extracorporeal cardiopulmonary resuscitation (ECPR) in cohorts of selected patients with cardiac arrest (CA), extracorporeal membrane oxygenation (ECMO) includes an artificial oxygenation membrane and circuits that contact the circulating blood and induce excessive oxidative stress and inflammatory responses, resulting in coagulopathy and endothelial cell damage. There is currently no pharmacological treatment that has been proven to improve outcomes after CA/ECPR. We aimed to test the hypothesis that administration of hydrogen gas (H2) combined with ECPR could improve outcomes after CA/ECPR in rats. Methods: Rats were subjected to 20 min of asphyxial CA and were resuscitated by ECPR. Mechanical ventilation (MV) was initiated at the beginning of ECPR. Animals were randomly assigned to the placebo or H2 gas treatment groups. The supplement gas was administered with O2 through the ECMO membrane and MV. Survival time, electroencephalography (EEG), brain functional status, and brain tissue oxygenation were measured. Changes in the plasma levels of syndecan-1 (a marker of endothelial damage), multiple cytokines, chemokines, and metabolites were also evaluated. Results: The survival rate at 4 h was 77.8% (7 out of 9) in the H2 group and 22.2% (2 out of 9) in the placebo group. The Kaplan–Meier analysis showed that H2 significantly improved the 4 h-survival endpoint (log-rank P = 0.025 vs. placebo). All animals treated with H2 regained EEG activity, whereas no recovery was observed in animals treated with placebo. H2 therapy markedly improved intra-resuscitation brain tissue oxygenation and prevented an increase in central venous pressure after ECPR. H2 attenuated an increase in syndecan-1 levels and enhanced an increase in interleukin-10, vascular endothelial growth factor, and leptin levels after ECPR. Metabolomics analysis identified significant changes at 2 h after CA/ECPR between the two groups, particularly in d-glutamine and d-glutamate metabolism. Conclusions: H2 therapy improved mortality in highly lethal CA rats rescued by ECPR and helped recover brain electrical activity. The underlying mechanism might be linked to protective effects against endothelial damage. Further studies are warranted to elucidate the mechanisms responsible for the beneficial effects of H2 on ischemia–reperfusion injury in critically ill patients who require ECMO support.

  • The real-time reverse transcription-polymerase chain reaction threshold cycle values for severe acute respiratory syndrome coronavirus 2 predict the prognosis of coronavirus disease 2019 pneumonia

    Fukushima T., Kabata H., Yamamoto R., Suhara T., Uwamino Y., Kondo Y., Masaki K., Kamata H., Nagata H., Homma K., Kaneko Y., Ishii M., Sasaki J., Morisaki H., Hasegawa N., Fukunaga K.

    Respiratory Investigation （Respiratory Investigation）  59 （ 3 ） 360 - 363 2021年05月

    ISSN  22125345

    　概要を見る

    The clinical course of coronavirus disease 2019 (COVID-19) varies from mild to critical. We retrospectively examined whether clinical and laboratory findings on admission could predict COVID-19 prognosis. Among various factors associated with COVID-19 severity, our results indicated that the real-time reverse transcription-polymerase chain reaction (RT-PCR) threshold cycle (Ct) values for severe acute respiratory syndrome coronavirus 2 were the most useful predictor of COVID-19 prognosis.

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  • アンジオテンシン抑制による蛋白尿減少作用の経時的比較検討

    林晃一，本間康一郎，神田武志，猿田享男

    第22回日本臨床薬理学会総会, 

    2001年12月

  • 食塩感受性ラットの腎微小循環における酸化ストレスの役割

    神田武志，林晃一，本間康一郎，小澤裕理，大久保建，高松一郎，立松覚，猿田享男

    第5回日本心血管内分泌代謝学会総会, 

    2001年11月

  • 慢性腎炎におけるACE-IとARBの腎保護作用の長期比較検討

    松田洋人，本間康一郎，林晃一，猿田享男

    第5回日本心血管内分泌代謝学会総会, 

    2001年11月

  • Altered contribution of T-type calcium channels in afferent but not efferent arterioles in SHR

    Homma Koichiro, Hayashi Koichi, Nagahama Takahiko, Kanda Takeshi, Okubo Ken, Takamatsu Ichiro, Tetematsu Satoru, Saruta Takao

    Annual Meeting of American Society of Nephrology (34th ; 2001 ; San Francisco, CA, USA), 

    2001年10月

  • Zucker obese ratにおける腎微小血管障害

    本間康一郎，林晃一，小澤裕理，神田武志，猿田享男

    第22回日本肥満学会総会, 

    2001年10月

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  • NAD合成系を標的とした心停止後症候群に対する新規治療法開発と重症病態での役割解明

    2023年04月
    -
    2026年03月

    本間 康一郎, 基盤研究(B), 補助金,  研究代表者

  • iPS細胞とH2ガスを利用した網羅的アプローチよる急性腎障害への新規治療法の開発

    2019年04月
    -
    2022年03月

    文部科学省・日本学術振興会, 科学研究費助成事業, 本間　康一郎, 基盤研究（Ｂ）, 補助金,  研究代表者

  • リプログラミングによる皮下脂肪細胞から皮膚線維芽細胞への直接誘導法の開発

    2016年04月
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    2019年03月

    文部科学省・日本学術振興会, 科学研究費助成事業, 本間　康一郎, 基盤研究(B), 補助金,  研究代表者

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  • 救急医学講義

    2025年度

  • 救急医学・救急看護

    2025年度

  • 救急医学臨床実習

    2025年度

  • 救急医学講義

    2024年度

  • 救急医学・救急看護

    2024年度

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