Yoshihiro Yamamoto

2025

Effects of extended anaerobic antibiotic coverage on anaerobic bloodstream infection: A multisite retrospective study

Murai, Y., Nagaoka, K., Iwanaga, N., Kawasuji, H., Miura, M., Sato, Y., Hatakeyama, Y., Kato, Y., Takazono, T., Kosai, K., Sugano, A., Morinaga, Y., Tanaka, K., Yanagihara, K., Mukae, H. & Yamamoto, Y., 2025/04, In: International Journal of Infectious Diseases. 153, 107840.

Research output: Contribution to journal › Article › peer-review

Open Access

2024

Antimicrobial therapy and outcome of methicillin-resistant Staphylococcus aureus endocarditis: A retrospective multicenter study in Japan

Mitsutake, K., Shinya, N., Seki, M., Ohara, T., Uemura, K., Fukunaga, M., Sakai, J., Nagao, M., Sata, M., Hamada, Y., Kawasuji, H., Yamamoto, Y., Nakamatsu, M., Koizumi, Y., Mikamo, H., Ukimura, A., Aoyagi, T., Sawai, T., Tanaka, T. & Izumikawa, K. & 6 others, Takayama, Y., Nakamura, K., Kanemitsu, K., Tokimatsu, I., Nakajima, K. & Akine, D., 2024/09, In: Journal of Infection and Chemotherapy. 30, 9, p. 860-866 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Clinical characteristics and analysis of prognostic factors in methicillin-resistant Staphylococcus aureus endocarditis: A retrospective multicenter study in Japan

Mitsutake, K., Shinya, N., Seki, M., Ohara, T., Uemura, K., Fukunaga, M., Sakai, J., Nagao, M., Sata, M., Hamada, Y., Kawasuji, H., Yamamoto, Y., Nakamatsu, M., Koizumi, Y., Mikamo, H., Ukimura, A., Aoyagi, T., Sawai, T., Tanaka, T. & Izumikawa, K. & 6 others, Takayama, Y., Nakamura, K., Kanemitsu, K., Tokimatsu, I., Nakajima, K. & Akine, D., 2024/12, In: Journal of Infection and Chemotherapy. 30, 12, p. 1259-1265 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

Clinical phenotype of anaerobic bacteremia unaccompanied by detectable abscess lesion: a 10-year retrospective, multicenter, observational-cohort study

Nagaoka, K., Iwanaga, N., Murai, Y., Kawasuji, H., Miura, M., Sato, Y., Ito, H., Terasaki, Y., Takazono, T., Kosai, K., Sugano, A., Morinaga, Y., Yanagihara, K., Mukae, H. & Yamamoto, Y., 2024/12, In: Infection. 52, 6, p. 2415-2424 10 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

COVID-19 complicated with severe M1_UK-lineage Streptococcus pyogenes infection in elderly patients: A report of two cases

Kawaguchi, A., Nagaoka, K., Kawasuji, H., Kawagishi, T., Fuchigami, T., Ikeda, K., Kanatani, J. I., Doi, T., Oishi, K. & Yamamoto, Y., 2024/11, In: International Journal of Infectious Diseases. 148, 107246.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

High interleukin-6 levels induced by COVID-19 pneumonia correlate with increased circulating follicular helper T cell frequency and strong neutralization antibody response in the acute phase of Omicron breakthrough infection

Kawasuji, H., Morinaga, Y., Nagaoka, K., Tani, H., Yoshida, Y., Yamada, H., Takegoshi, Y., Kaneda, M., Murai, Y., Kimoto, K., Niimi, H. & Yamamoto, Y., 2024, In: Frontiers in Immunology. 15, 1377014.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

Impact of COVID-19 and Closed Transmission of SARS-CoV-2 during the First Wave in Toyama Prefecture, Japan, March 30 to May 18, 2020

Tamura, K., Inasaki, N., Itamochi, M., Saga, Y., Shimada, T., Yazawa, S., Sasajima, H., Kawashiri, C., Yamazaki, E., Ichikawa, T., Kaya, H., Yamamoto, Y., Morinaga, Y., Yamashiro, S., Nomura, S., Takeda, S., Ito, H., Hirota, K., Horie, Y. & Hirano, N. & 4 others, Sekizuka, T., Kuroda, M., Tani, H. & Oishi, K., 2024, In: Japanese Journal of Infectious Diseases. 77, 2, p. 75-82 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

Low pre-infection levels of neutralizing antibody in breakthrough infections after bivalent BA.4–5 vaccine and practical application of dried blood spots

Kawasuji, H., Morinaga, Y., Tani, H., Yamada, H., Yoshida, Y., Ezaki, M., Koshiyama, Y., Takegoshi, Y., Kaneda, M., Murai, Y., Kimoto, K., Nagaoka, K., Niimi, H. & Yamamoto, Y., 2024/09/17, In: Vaccine. 42, 22, 126029.

Research output: Contribution to journal › Article › peer-review

Open Access

Mortality risk factors and fulminant sub-phenotype in anaerobic bacteremia: a 10-year retrospective, multicenter, observational cohort study

Nagaoka, K., Iwanaga, N., Takegoshi, Y., Murai, Y., Kawasuji, H., Miura, M., Sato, Y., Hatakeyama, Y., Ito, H., Kato, Y., Shibayama, N., Terasaki, Y., Fujimura, T., Takazono, T., Kosai, K., Sugano, A., Morinaga, Y., Yanagihara, K., Mukae, H. & Yamamoto, Y., 2024/03, In: European Journal of Clinical Microbiology and Infectious Diseases. 43, 3, p. 459-467 9 p.

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Novel rapid method for identifying and quantifying pathogenic bacteria within four hours of blood collection

Miyakoshi, A., Niimi, H., Ueno, T., Wakasugi, M., Higashi, Y., Miyajima, Y., Mori, M., Tabata, H., Minami, H., Takaoka, A., Hayashi, A., Yamamoto, Y. & Kitajima, I., 2024/12, In: Scientific Reports. 14, 1, 1199.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

Pulmonary function and chest CT abnormalities 3 months after discharge from COVID-19, 2020–2021: A nation-wide multicenter prospective cohort study from the Japanese respiratory society

Kamata, H., Takamatsu, K., Fukunaga, K., Chubachi, S., Nakagawara, K., Namkoong, H., Terai, H., Tanaka, K., Sato, S., Hagiwara, E., Takei, R., Kondoh, Y., Takazono, T., Hashimoto, M., Tasaka, S., Ohrui, T., Tanino, Y., Mineshita, M., Komase, Y. & Miyazaki, K. & 48 others, Nishikawa, M., Ando, A., Kita, H., Ichihara, E., Ohshimo, S., Murata, Y., Ishida, M., Kobayashi, S., Uchida, T., Tateno, H., Ikari, J., Terashima, T., Kozu, Y., Tateishi, T., Shinkai, M., Sagara, H., To, Y., Ito, Y., Yamamoto, M., Yamamoto, Y., Kita, T., Ito, Y., Tomii, K., Fujita, Y., Funaki, Y., Yatera, K., Yamasue, M., Komiya, K., Kozawa, S., Manabe, H., Hozumi, H., Horiguchi, T., Kitajima, T., Nakano, Y., Nagaoka, T., Hojo, M., Ebihara, A., Kobayashi, M., Takayama, K., Jinta, T., Sawai, T., Fukuda, Y., Kaneko, T., Chin, K., Ogura, T., Mukae, H., Ishii, M. & Yokoyama, A., 2024/07, In: Respiratory Investigation. 62, 4, p. 572-579 8 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

The fatal case of “Pigmentibacter” bacteremia following aspiration pneumonia in elderly patient

Azuma, S., Kawasuji, H., Nakai, R., Yamada, H., Yoshida, Y., Kawahara, H., Suzuki, M., Mori, S., Hirata, M., Sugie, K., Niimi, H., Morinaga, Y. & Yamamoto, Y., 2024/08, In: Journal of Infection and Chemotherapy. 30, 8, p. 806-811 6 p.

Research output: Contribution to journal › Article › peer-review

Time-dependent changes in cell population data obtained using Sysmex XN-series hematology analyzer in bacterial infections: Cell population data to predict bacteremia

Kaneda, M., Nagaoka, K., Yoshida, R., Iwasaki, Y., Niimi, H. & Yamamoto, Y., 2024, (Accepted/In press) In: Journal of Infection and Chemotherapy.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

2023

5回目接種における2価ワクチンのXBB1.5に対する中和活性評価．

春若純菜, 川筋仁史, 江嵜真佳, 腰山　裕貴, 竹腰雄祐, 兼田磨熙杜, 村井佑至, 木本　鴻, 長岡健太郎, 仁井見英樹, 森永芳智 & 山本善裕．, 2023.

Research output: Contribution to conference › Presentation

A Multicenter Randomized Controlled Trial To Evaluate the Efficacy and Safety of Nelfinavir in Patients with Mild COVID-19

Miyazaki, T., Hosogaya, N., Fukushige, Y., Takemori, S., Morimoto, S., Yamamoto, H., Hori, M., Ozawa, Y., Shiko, Y., Inaba, Y., Kurokawa, T., Hanaoka, H., Iwanami, S., Kim, K., Iwami, S., Watashi, K., Miyazawa, K., Umeyama, T., Yamagoe, S. & Miyazaki, Y. & 19 others, Wakita, T., Sumiyoshi, M., Hirayama, T., Izumikawa, K., Yanagihara, K., Mukae, H., Kawasuji, H., Yamamoto, Y., Tarumoto, N., Ishii, H., Ohno, H., Yatera, K., Kakeya, H., Kichikawa, Y., Kato, Y., Matsumoto, T., Saito, M., Yotsuyanagi, H. & Kohno, S., 2023/05, In: Microbiology Spectrum. 11, 3

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

Analytical sensitivity of six lateral flow antigen test kits for variant strains of SARS-CoV-2

Morinaga, Y., Yamada, H., Yoshida, Y., Kawasuji, H. & Yamamoto, Y., 2023/02, In: Journal of Infection and Chemotherapy. 29, 2, p. 131-135 5 p.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Scopus citations

Association of subpleural ground-glass opacities with respiratory failure and RNAemia in COVID-19

Translated title of the contribution: Association of subpleural ground-glass opacities with respiratory failure and RNAemia in COVID-19Nagaoka, K., Kawasuji, H., Takegoshi, Y., Murai, Y., Kaneda, M., Ueno, A., Miyajima, Y., Wakasugi, M., Noguchi, K., Morimoto, S., Morinaga, Y. & Yamamoto, Y., 2023/02/03, In: European Radiology.

Research output: Contribution to journal › Article › peer-review

Association of subpleural ground-glass opacities with respiratory failure and RNAemia in COVID-19

Nagaoka, K., Kawasuji, H., Takegoshi, Y., Murai, Y., Kaneda, M., Ueno, A., Miyajima, Y., Wakasugi, M., Noguchi, K., Morimoto, S., Morinaga, Y. & Yamamoto, Y., 2023/07, In: European Radiology. 33, 7, p. 4713-4722 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

Characteristics of preventive intervention acceptance for international travel among clients aged 60 years and older from a Japanese multicenter pretravel consultation registry

Yamamoto, K., Asai, Y., Nakagawa, H., Nakatani, I., Hayashi, K., Matono, T., Kanai, S., Yamato, M., Mikawa, T., Shimatani, M., Shimono, N., Shinohara, K., Kitaura, T., Nagasaka, A., Manabe, A., Komiya, N., Imakita, N., Yamamoto, Y., Iwamoto, N. & Okumura, N. & 1 others, Ohmagari, N., 2023/12, In: Journal of Infection and Chemotherapy. 29, 12, p. 1137-1144 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Clinical Features of Hypoxemia Due to Infection Under Home-Based Medication During the COVID-19 Pandemic Period

Translated title of the contribution: Clinical Features of Hypoxemia Due to Infection Under Home-Based Medication During the COVID-19 Pandemic PeriodNagaoka, K., Iida, T., Ito, N., Okamura, N., Iida, M., Wada, Y., Hirano, M., Nishikawa, S., Kawasuji, H., Yamamoto, Y. & Yoshizaki, H., 2023/01/25, In: Cureus.

Research output: Contribution to journal › Article › peer-review

Comparative Study of Three Commercial Blood (1→3)-β-D-glucan Detection Reagents for Invasive Mycosis

Translated title of the contribution: Comparative Study of Three Commercial Blood (1→3)-β-D-glucan Detection Reagents for Invasive MycosisMiyajima, Y., Nagaoka, K., Takegoshi, Y., Kaneda, M., Murai, Y., Kimoto, K., Kawamura, T., Ueno, A., Kawasuji, H., Kawago, K., Fukui, Y., Sakamaki, I. & Yamamoto, Y., 2023/06/01, In: Medical Mycology Journal. 64, 1, p. 1-6 6 p.

Research output: Contribution to journal › Article › peer-review

Comparative Study of Three Commercial Blood (1→3)-β-D-glucan Detection Reagents for Invasive Mycosis

Miyajima, Y., Nagaoka, K., Takegoshi, Y., Kaneda, M., Murai, Y., Kimoto, K., Kawamura, T., Ueno, A., Kawasuji, H., Kawago, K., Fukui, Y., Sakamaki, I. & Yamamoto, Y., 2023, In: Medical Mycology Journal. 64, 1, p. 1-6 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

COVID-19における咽頭痛と感染初期免疫応答の相関性

竹腰雄祐, 長岡健太郎, 兼田磨熙杜, 村井佑至, 木本　鴻, 上野亨敏, 川筋仁史, 宮嶋友希, 森永芳智 & 山本善裕．, 2023.

Research output: Contribution to conference › Presentation

COVID-19ワクチン4回目接種における2価ワクチンのBA.2, BA.5に対する中和活性評価

小林裕和, 川筋仁史, 竹腰雄祐, 兼田磨熙杜, 木本　鴻, 上野亨敏, 川筋仁史, 宮嶋友希, 長岡健太郎, 仁井見英樹, 谷　英樹, 森永芳智 & 山本善裕．, 2023.

Research output: Contribution to conference › Presentation

COVID-19感染早期でのCT画像パターンと免疫応答についての検討

長岡健太郎, 竹腰雄祐, 兼田磨熙杜, 木本　鴻, 上野亨敏, 川筋仁史, 宮嶋友希, 森永芳智 & 山本善裕．, 2023.

Research output: Contribution to conference › Presentation

COVID-19既感染者と未感染者におけるワクチン4回目接種の効果と持続性

川筋仁史, 森永芳智, 竹腰雄祐, 兼田磨熙杜, 木本　鴻, 上野亨敏, 宮嶋友希, 長岡健太郎, 仁井見英樹 & 山本善裕．, 2023.

Research output: Contribution to conference › Presentation

Dominant CT Patterns and Immune Responses during the Early Infection Phases of Different SARS-CoV-2 Variants

Translated title of the contribution: Dominant CT Patterns and Immune Responses during the Early Infection Phases of Different SARS-CoV-2 VariantsNagaoka, K., Kawasuji, H., Takegoshi, Y., Murai, Y., Kaneda, M., Kimoto, K., Tani, H., Niimi, H., Morinaga, Y., Noguchi, K. & Yamamoto, Y., 2023/05/31, In: Viruses. 15, 6, p. 1304-1304 1 p.

Research output: Contribution to journal › Article › peer-review

Effectiveness and Safety of Linezolid Versus Vancomycin, Teicoplanin, or Daptomycin against Methicillin-Resistant Staphylococcus aureus Bacteremia: A Systematic Review and Meta-Analysis

Kawasuji, H., Nagaoka, K., Tsuji, Y., Kimoto, K., Takegoshi, Y., Kaneda, M., Murai, Y., Karaushi, H., Mitsutake, K. & Yamamoto, Y., 2023/04, In: Antibiotics. 12, 4, 697.

Research output: Contribution to journal › Article › peer-review

Open Access

19 Citations (SciVal)

Effectiveness and Safety of Linezolid Versus Vancomycin, Teicoplanin, or Daptomycin against Methicillin-Resistant Staphylococcus aureus Bacteremia: A Systematic Review and Meta-Analysis

Translated title of the contribution: Effectiveness and Safety of Linezolid Versus Vancomycin, Teicoplanin, or Daptomycin against Methicillin-Resistant Staphylococcus aureus Bacteremia: A Systematic Review and Meta-AnalysisKawasuji, H., Nagaoka, K., Tsuji, Y., Kimoto, K., Takegoshi, Y., Kaneda, M., Murai, Y., Karaushi, H., Mitsutake, K. & Yamamoto, Y., 2023/04/02, In: Antibiotics. 12, 4, p. 697-697 1 p.

Research output: Contribution to journal › Article › peer-review

High Incidence of Metastatic Infections in Panton-Valentine Leucocidin-Negative, Community-Acquired Methicillin-Resistant Staphylococcus aureus Bacteremia: An 11-Year Retrospective Study in Japan

Kawasuji, H., Ikezawa, Y., Morita, M., Sugie, K., Somekawa, M., Ezaki, M., Koshiyama, Y., Takegoshi, Y., Murai, Y., Kaneda, M., Kimoto, K., Nagaoka, K., Niimi, H., Morinaga, Y. & Yamamoto, Y., 2023/10, In: Antibiotics. 12, 10, 1516.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

MRSA菌血症に対するバンコマイシン、テイコプラニン、ダプトマイシンと比較したリネゾリドの有効性及び安全性の評価：システマティックレビュー及びメタ解析

川筋仁史, 辻泰弘, 江嵜真佳, 腰山裕貴, 竹腰雄祐, 兼田磨熙杜, 村井佑至, 木本鴻, 長岡健太郎, 山本善裕, 唐牛春香 & 光武耕太郎, 2023.

Research output: Contribution to conference › Presentation

Multicenter, single-blind, randomized controlled study of the efficacy and safety of favipiravir and nafamostat mesilate in patients with COVID-19 pneumonia

Ikeda, M., Okugawa, S., Kashiwabara, K., Moritoyo, T., Kanno, Y., Jubishi, D., Hashimoto, H., Okamoto, K., Tsushima, K., Uchida, Y., Mitsumura, T., Igari, H., Tsutsumi, T., Araoka, H., Yatera, K., Yamamoto, Y., Nakamura, Y., Otani, A., Yamashita, M. & Wakimoto, Y. & 17 others, Shinohara, T., Adachi-Katayama, M., Oyabu, T., Kanematsu, A., Harada, S., Takeshita, Y., Nakano, Y., Miyazaki, Y., Sakao, S., Saito, M., Ogura, S., Yamasaki, K., Kawasuji, H., Hataji, O., Inoue, J. I., Seto, Y. & Moriya, K., 2023/03, In: International Journal of Infectious Diseases. 128, p. 355-363 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

Nationwide surveillance of bacterial respiratory pathogens conducted by the surveillance committee of the Japanese Society of Chemotherapy, the Japanese Association for Infectious Diseases, and the Japanese Society for Clinical Microbiology in 2019–2020: General view of the pathogens' antibacterial susceptibility

Tokimatsu, I., Matsumoto, T., Tsukada, H., Fujikura, Y., Miki, M., Morinaga, Y., Sato, J., Wakamura, T., Kiyota, H., Tateda, K., Yanagisawa, H., Sasaki, T., Ikeda, H., Horikawa, H., Takahashi, H., Seki, M., Mori, Y., Takeda, H., Kurai, D. & Hasegawa, N. & 32 others, Uwamino, Y., Kudo, M., Yamamoto, M., Nagano, Y., Nomura, S., Tetsuka, T., Hosokai, M., Aoki, N., Yamamoto, Y., Iinuma, Y., Mikamo, H., Suematsu, H., Maruyama, T., Kawabata, A., Sugaki, Y., Nakamura, A., Fujikawa, Y., Fukumori, T., Ukimura, A., Kakeya, H., Niki, M., Yoshida, K., Kobashi, Y., Tokuyasu, H., Yatera, K., Ikegami, H., Fujita, M., Matsumoto, T., Yanagihara, K., Matsuda, J., Hiramatsu, K. & Shinzato, T., 2023/08, In: Journal of Infection and Chemotherapy. 29, 8, p. 731-743 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

Neutralizing Antibody Response of the Wild-Type/Omicron BA.1 Bivalent Vaccine as the Second Booster Dose against Omicron BA.2 and BA.5

Kawasuji, H., Morinaga, Y., Tani, H., Saga, Y., Yamada, H., Yoshida, Y., Takegoshi, Y., Kaneda, M., Murai, Y., Kimoto, K., Ueno, A., Miyajima, Y., Nagaoka, K., Ono, C., Matsuura, Y., Niimi, H. & Yamamoto, Y., 2023/03, In: Microbiology Spectrum. 11, 2

Research output: Contribution to journal › Article › peer-review

Open Access

8 Citations (SciVal)

Neutralizing Antibody Response of the Wild-Type/Omicron BA.1 Bivalent Vaccine as the Second Booster Dose against Omicron BA.2 and BA.5.

Kawasuji, H., Morinaga, Y., Tani, H., Saga, Y., Yamada, H., Yoshida, Y., Takegoshi, Y., Kaneda, M., Murai, Y., Kimoto, K., Ueno, A., Miyajima, Y., Nagaoka, K., Ono, C., Matsuura, Y., Niimi, H. & Yamamoto, Y., 2023/03/22, In: Microbiology Spectrum. 11, 2

Research output: Contribution to journal › Article › peer-review

Population Pharmacokinetic Model for Unbound Concentrations of Daptomycin in Patients with MRSA Including Patients Undergoing Hemodialysis

Takahashi, S., Tsuji, Y., Holford, N., Ogami, C., Kasai, H., Kawasuji, H., To, H. & Yamamoto, Y., 2023/03, In: European Journal of Drug Metabolism and Pharmacokinetics. 48, 2, p. 201-211 11 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Predictive value of cell population data with Sysmex XN-series hematology analyzer for culture-proven bacteremia

Translated title of the contribution: Predictive value of cell population data with Sysmex XN-series hematology analyzer for culture-proven bacteremiaMiyajima, Y., Niimi, H., Ueno, T., Matsui, A., Higashi, Y., Kojima, N., Kono, M., Iwasaki, Y., Nagaoka, K., Yamamoto, Y. & Kitajima, I., 2023/06/01, In: Frontiers in Medicine. 10

Research output: Contribution to journal › Article › peer-review