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Employment (1)

Saitama Medical University, International Medical Center: Hidaka City, Saitama, JP

Employment
Source: Self-asserted source
Masafumi Seki

Education and qualifications (1)

Saitama Medical University, International Medical Center: Hidaka City, Saitama, JP

Qualification
Source: Self-asserted source
Masafumi Seki

Works (20)

Infective native aortic and iliac artery aneurysms: Clinical profiles and short-term outcomes from a single-center cohort

Journal of Infection and Chemotherapy
2025-04 | Journal article
DOI: 10.1016/j.jiac.2025.102644
Contributors: Natsuki Shinya; Masafumi Seki; Haruka Karaushi; Toshihisa Asakura; Akihiro Yoshitake; Kotaro Mitsutake
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Crossref

Clinical Differences Between Survivors and Non-Survivors of Ventilator-Associated Pneumonia: The Roles of Sulbactam/Ampicillin and Methicillin-Resistant Staphylococcus aureus

Infection and Drug Resistance
2024-12 | Journal article
DOI: 10.2147/IDR.S497536
Contributors: Masafumi Seki; Anna Takimoto; Manabu Inoue; Kazuya Niiyama; Ayumu Masuoka; Futoshi Kotajima
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Crossref

Clinical Features of Patients with COVID-19 Recurrence During Hospitalization in the Omicron Variant Surge

Infection and Drug Resistance
2024-11 | Journal article
DOI: 10.2147/IDR.S485976
Contributors: Masafumi Seki; Chie Kubosawa; Makoto Ono; Fumitaka Kamoshita; Atsuko Shimizu; Kotaro Mitsutake
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Crossref

Differences in Treatment Patterns and Patient Characteristics Between COVID-19 Patients Treated with Nirmatrelvir/Ritonavir and Ensitrelvir in Japan

International Journal of General Medicine
2024-08 | Journal article
DOI: 10.2147/IJGM.S475833
Contributors: Masafumi Seki
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Crossref

Severe Respiratory Syncytial Virus Infections in Elderly Persons During the COVID-19 Pandemic

Infection and Drug Resistance
2024-08 | Journal article
DOI: 10.2147/IDR.S474852
Contributors: Daishi Shimada; Masafumi Seki
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Crossref

Effectiveness of Drip Infusion of Lascufloxacin, a Novel Fluoroquinolone Antibiotic, for Patients with Pneumonia Including Chronic Lung Disease Exacerbations and Lung Abscesses

Infection and Drug Resistance
2024-03 | Journal article
DOI: 10.2147/IDR.S453634
Contributors: Daishi Shimada; Masafumi Seki
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Crossref

COVID-19 and Listeria Meningitis Treated by Ampicillin, Sulfamethoxazole/Trimethoprim and Meropenem

Infection and Drug Resistance
2023-07 | Journal article
DOI: 10.2147/IDR.S414879
Contributors: Masafumi Seki; Haruka Karaushi; Noriko Arai; Takeshi Hayashi; Kotaro Mitsutake
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Crossref

Characterization of Influenza A(H1N1)pdm09 Viruses Isolated in the 2018–2019 and 2019–2020 Influenza Seasons in Japan

Viruses
2023-02 | Journal article | Author
DOI: 10.3390/v15020535
Contributors: Takuma Soga; Calvin Duong; David Pattinson; Yuko Sakai-Tagawa; Akifumi Tokita; Naomi Izumida; Tamon Nishino; Haruhisa Hagiwara; Noriyuki Wada; Yumi Miyamoto et al.
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Multidisciplinary Digital Publishing Institute

Detection of Mycobacterium avium-intracellulare Complex (MAC) by Bronchial Lavage and the Relationship with Titers of Anti-Glycopeptidolipid-Core IgA Antibodies to MAC in Patients with Pulmonary MAC Disease

Infection and Drug Resistance
2023-02 | Journal article
DOI: 10.2147/IDR.S400200
Contributors: Daishi Shimada; Motoyasu Sagawa; Masafumi Seki
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Crossref

Sequential Treatment by Antiviral Drugs Followed by Immunosuppressive Agents for COVID-19 Patients with Hematological Malignancy

Infection and Drug Resistance
2022-12 | Journal article
DOI: 10.2147/IDR.S393198
Contributors: Masafumi Seki; Kosuke Hashimoto; Nami Kondo; Yoshitaka Ohya; Futoshi Kotajima; Kotaro Mitsutake
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Crossref

Clinical manifestations of hospitalized influenza patients without risk factors: A prospective multicenter cohort study in Japan via internet surveillance

Journal of Infection and Chemotherapy
2022-07 | Journal article
DOI: 10.1016/j.jiac.2022.02.001
Contributors: Tadashi Ishida; Masafumi Seki; Kazunori Oishi; Kazuhiro Tateda; Jiro Fujita; Jun-ichi Kadota; Akihiko Kawana; Koichi Izumikawa; Toshiaki Kikuchi; Norio Ohmagari et al.
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Crossref

Pulmonary and Disseminated Mycobacterium avium Complex Cases Confirmed by Tissue-Direct Polymerase Chain Reaction-Based Nucleic Acid Lateral Flow Immunoassay of Formalin-Fixed Paraffin-Embedded Tissues

Infection and Drug Resistance
2022-03 | Journal article
DOI: 10.2147/IDR.S358112
Contributors: Daisuke Fukushi; Keigo Murakami; Yuji Watanabe; Norihiko Sugimoto; Hirotsugu Uehara; Masafumi Seki
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Crossref

Sinobronchial Syndrome Patients with Suspected Non-Tuberculous Mycobacterium Infection Exacerbated by Exophiala dermatitidis Infection

Infection and Drug Resistance
2022-03 | Journal article
DOI: 10.2147/IDR.S359646
Contributors: Yuji Watanabe; Hirohito Sano; Shuichi Konno; Yasuhiro Kamioka; Maya Hariu; Kazuki Takano; Mitsuhiro Yamada; Masafumi Seki
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Crossref

Utility of a Cell-Direct Polymerase Chain Reaction-Based Nucleic Acid Lateral Flow Immunoassay for Detection of Bacteria in Peripheral Blood Leukocytes of Suspected Sepsis Cases

Infection and Drug Resistance
2021-12 | Journal article
DOI: 10.2147/IDR.S345361
Contributors: Haruka Imai; Yuji Watanabe; Daishi Shimada; Jun Suzuki; Shiro Endo; Mitsuo Kaku; Masafumi Seki
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Crossref

Analysis of Risk Factors Associated with Reduced Trough Concentrations of Vancomycin in Relation to Renal Function in a Tertiary Hospital in Japan

Infection and Drug Resistance
2021-10 | Journal article
DOI: 10.2147/IDR.S337058
Contributors: Shota Kashiwagura; Yasuhiro Kamioka; Masafumi Seki; Satoshi Koshika; Kouji Okada
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Crossref

Detection of Representative Mutant Strains and a Case of Prolonged Infection by SARS-CoV-2 with Spike 69/70 Deletion in Japan

Infection and Drug Resistance
2021-07 | Journal article
DOI: 10.2147/IDR.S320658
Contributors: Kazuki Takano; Yuji Watanabe; Maya Hariu; Masafumi Seki
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Crossref

Severe Pulmonary Mycobacterium abscessus Cases Due to Co-Infection with Other Microorganisms Well Treated by Clarithromycin and Sitafloxacin in Japan

International Medical Case Reports Journal
2021-07 | Journal article
DOI: 10.2147/IMCRJ.S321969
Contributors: Kazuki Takano; Daishi Shimada; Shota Kashiwagura; Yasuhiro Kamioka; Maya Hariu; Yuji Watanabe; Masafumi Seki
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Crossref

Rhinovirus-Infected Patients in the COVID-19 Pandemic Period

Infection and Drug Resistance
2021-02 | Journal article
DOI: 10.2147/IDR.S300001
Contributors: Yuji Watanabe; Yasuhiro Kamioka; Masafumi Seki
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Crossref

<p>Strategies for Geriatric Pneumonia in Healthcare Facilities – How Effective is Combined Influenza and Pneumococcal Vaccination?</p>

International Journal of General Medicine
2020-09 | Journal article
DOI: 10.2147/IJGM.S264835
Contributors: Masafumi Seki
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Crossref

<p>Reduced Prescription of Baloxavir After Suspected Prevalence of a Baloxavir-Resistant Influenza Virus Strain and the Emergence of SARS-CoV-2 in a Tertiary Hospital in Japan</p>

Clinical Pharmacology: Advances and Applications
2020-08 | Journal article
DOI: 10.2147/CPAA.S268666
Contributors: Yasuhiro Kamioka; Shota Kashiwagura; Masafumi Seki
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Crossref
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