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  1. Article

    Open Access

    A cross-sectional, multicenter survey of the prevalence and risk factors for Long COVID

    Long-term sequelae of the coronavirus disease (COVID-19) constitute Long COVID. Although Long COVID has been reported globally, its risk factors and effects on quality of life (QOL) remain unclear. We conducte...

    Waki Imoto, Koichi Yamada, Ryota Kawai, Takumi Imai, Kengo Kawamoto in Scientific Reports (2022)

  2. No Access

    Article

    Invasive pulmonary aspergillosis caused by Aspergillus terreus diagnosed using virtual bronchoscopic navigation and endobronchial ultrasonography with guide sheath and successfully treated with liposomal amphotericin B

    Invasive aspergillosis is a significant cause of mortality in patients with hematological malignancy. Early diagnosis of invasive pulmonary aspergillosis (IPA) by bronchoscopy is recommended but is often diffi...

    Naoko Yoshii, Koichi Yamada, Makoto Niki, Waki Imoto, Kazushi Yamairi in Infection (2021)

  3. Article

    Open Access

    Three-day regimen of oseltamivir for post-exposure prophylaxis of influenza in hospital wards: a study protocol for a prospective, multi-center, single-arm trial

    In a previous retrospective observational study, a 3-day regimen of oseltamivir as post-exposure prophylaxis (PEP) for preventing transmission of influenza in wards was shown to be comparable to 7- to 10-day r...

    Nobuhisa Ishiguro, Yoichi M. Ito, Sumio Iwasaki, Miki Nagao in BMC Infectious Diseases (2021)

  4. Article

    Open Access

    Congenital bronchial atresia complicated by a lung abscess due to Aspergillus fumigatus: a case report

    Congenital bronchial atresia is a rare pulmonary abnormality characterized by the disrupted communication between the central and the peripheral bronchus and is typically asymptomatic. Although it can be sympt...

    Gaku Kuwabara, Risa Sone, Waki Imoto, Kazushi Yamairi in BMC Pulmonary Medicine (2021)

  5. Article

    Open Access

    Successful treatment with baloxavir marboxil of a patient with peramivir-resistant influenza A/H3N2 with a dual E119D/R292K substitution after allogeneic hematopoietic cell transplantation: a case report

    Extended use of oseltamivir in an immunocompromised host could reportedly induce neuraminidase gene mutation possibly leading to oseltamivir-resistant influenza A/H3N2 virus. To our knowledge, no report is ava...

    Naonori Harada, Wataru Shibata, Hideo Koh, Emi Takashita in BMC Infectious Diseases (2020)

  6. Article

    Open Access

    Disseminated Mycobacterium abscessus subsp. massiliense infection in a Good’s syndrome patient negative for human immunodeficiency virus and anti-interferon-γ autoantibody: a case report

    Good’s syndrome (GS) is characterized by immunodeficiency, and can lead to severe infection, which is the most significant complication. Although Mycobacterium rarely causes infection in patients with GS, dissemi...

    Waki Imoto, Koichi Yamada, Yuriko Hajika, Kousuke Okamoto in BMC Infectious Diseases (2020)

  7. No Access

    Article

    Clinical and virulence factors related to the 30-day mortality of Klebsiella pneumoniae bacteremia at a tertiary hospital: a case–control study

    Klebsiella pneumoniae bacteremia is a critical clinical presentation that is associated with high mortality. However, extremely few studies have investigated the virulence factors related to mortality of K. pneum...

    Hiroki Namikawa, Makoto Niki, Mamiko Niki in European Journal of Clinical Microbiology … (2019)

  8. Article

    Open Access

    Application of Kansei engineering and data mining in the Thai ceramic manufacturing

    Ceramic is one of the highly competitive products in Thailand. Many Thai ceramic companies are attempting to know the customer needs and perceptions for making favorite products. To know customer needs is the ...

    Chaiwat Kittidecha, Koichi Yamada in Journal of Industrial Engineering International (2018)

  9. Chapter

    The Message in “Vision 2050”

    If all people are materially satisfied and can lead a dignified life, many of the world’s difficulties can probably be overcome. In the “Sustainable Development Goals (SDGs)” established by the United Nations,...

    Hiroshi Komiyama, Koichi Yamada in New Vision 2050 (2018)

  10. Chapter

    Progress on Vision 2050 Since 1995

    With regard to global warming, debate on its authenticity was prevalent even among scientists 20 years ago when Vision 2050 was envisioned. However, now in 2016, 99% of the scientists consider global warming t...

    Hiroshi Komiyama, Koichi Yamada in New Vision 2050 (2018)

  11. Chapter

    Technology to Support Low-Carbon Society (Utilizing Energy)

    In the future, energy efficiency will increasingly improve while energy consumption will decrease. However, it is impossible to reach zero, regardless of how far we reduce energy consumption. Vision 2050 is a ...

    Hiroshi Komiyama, Koichi Yamada in New Vision 2050 (2018)

  12. Chapter

    Platinum Industry and a New Society

    A big paradigm shift is starting to occur as we move away from the twentieth century, during which people sought quantitative affluence, to a mature society in which they seek qualitative affluence.

    Hiroshi Komiyama, Koichi Yamada in New Vision 2050 (2018)

  13. Chapter

    Technology to Support Low-Carbon Society (Using Energy)

    Against the backdrop of environmental regulations and oil shocks, Japan has been refining its energy-saving technologies. There are many top world-ranking energy-saving products, and we frequently hear people ...

    Hiroshi Komiyama, Koichi Yamada in New Vision 2050 (2018)

  14. Chapter

    Low-Carbon Society in 2050

    Up to the previous chapter, we separately studied major activities related to energy such as technical possibilities, quantitative potential, and price competitiveness. It is necessary to consolidate these act...

    Hiroshi Komiyama, Koichi Yamada in New Vision 2050 (2018)

  15. No Access

    Chapter and Conference Paper

    Motivating Track and Field Athletes by Visualizing Training Drills and Records: Extraction and Visualization of Activities of Athletes from Blog Articles

    The aim of this study is to support track and field athletes to keep their motivation. Our approach is based on collection, extraction, and visualization of athlete’s activities by using blog articles. We coll...

    Masakazu Sano, Hidetaka Masuda in Advances in Human Factors in Sports and Ou… (2017)

  16. Article

    Open Access

    Two unusual cases of successful treatment of hypermucoviscous Klebsiella pneumoniae invasive syndrome

    A few Japanese cases of hypermucoviscous Klebsiella pneumoniae (K. pneumoniae) invasive syndrome have recently been reported. Although extrahepatic complications from bacteremic dissemination have been observed, ...

    Hiroki Namikawa, Koichi Yamada, Hiroki Fujimoto, Ken-Ichi Oinuma in BMC Infectious Diseases (2016)

  17. No Access

    Article

    Molecular characterization of quinolone-insensitive Streptococcus pneumoniae isolates from Japanese patients

    Fluoroquinolone resistance in Streptococcus pneumoniae has become a growing concern. Using S. pneumoniae isolates (n = 61) for which the minimum inhibitory concentration (MIC) of levofloxacin was not less than 1 ...

    Nobuko Araki, Katsunori Yanagihara, Yoko Matsukawa in Journal of Infection and Chemotherapy (2013)

  18. No Access

    Article

    Synaptic redistribution and variability of signal release probability of Hebbian neurons at low-firing frequencies in a dynamic stochastic neural network

    This paper presents the finding of the research we conducted to evaluate the variability of signal release probability at Hebb’s presynaptic neuron under different firing frequencies in a dynamic stochastic ne...

    Subha Fernando, Koichi Yamada in Artificial Life and Robotics (2013)

  19. No Access

    Article

    In vivo efficacy and pharmacokinetics of biapenem in a murine model of ventilator-associated pneumonia with Pseudomonas aeruginosa

    Biapenem (BIPM) has high bactericidal activity against Pseudomonas aeruginosa and similar activity in vitro as meropenem (MEPM). We used a murine model to examine the efficacy of biapenem against ventilator-assoc...

    Koichi Yamada, Yoshihiro Yamamoto in Journal of Infection and Chemotherapy (2012)

  20. No Access

    Article

    In vivo efficacy of doripenem (DRPM) against Pseudomonas aeruginosa in murine chronic respiratory tract infection model

    Doripenem is a carbapenem antibiotic with broad-spectrum coverage of gram-positive and gram-negative bacteria, including Pseudomonas aeruginosa, and is considered to be as effective as meropenem. The in vivo acti...

    Nobuko Araki, Katsunori Yanagihara in Journal of Infection and Chemotherapy (2011)

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