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Papers published by Professor Masafumi Seki:
Recurrent/Refractory Multidrug- and Pre-Multidrug-Resistant Pseudomonas aeruginosa Infection Cases Maintained by Long-Term, Low-Dose Macrolide Administration
Seki M
Clinical Pharmacology: Advances and Applications 2026, 18:600235
Published Date: 12 May 2026
Development of Pseudomonas aeruginosa Drug Resistant Due to Prolonged Use of Broad-Spectrum Antibiotics in Severe Viral Infection/Candidemia Cases
Seki M
International Medical Case Reports Journal 2026, 19:595233
Published Date: 22 April 2026
Assessing the Lower Incidence of Invasive Pneumococcal Diseases in Japan During the COVOD-19 Pandemic
Seki M, Shimada D
International Journal of General Medicine 2026, 19:562185
Published Date: 4 February 2026
Adult Influenza Patients Diagnosed by Multiplex Polymerase Chain Reaction Tests, but Not Rapid Antigen Tests, and Managed Successfully During the 2024 to 2025 Major Influenza-Endemic Season in a Tertiary Hospital in Japan
Seki M
Infection and Drug Resistance 2025, 18:6763-6767
Published Date: 20 December 2025
Adult Hospitalized Mycoplasma Cases in a Tertiary Hospital in Japan
Seki M
Infection and Drug Resistance 2025, 18:4119-4124
Published Date: 15 August 2025
Optimizing Antimicrobial Use in Japan: Strategies for Dosage, Combination Therapy, De-Escalation, Oral Switching, Duration, and Guideline Adherence
Seki M
Clinical Pharmacology: Advances and Applications 2025, 17:227-233
Published Date: 4 August 2025
Severe Influenza Patients Who Received Ventilator Management During the 2024 to 2025 Major Influenza-Endemic Season in a Tertiary Hospital in Japan
Seki M, Shimada D
International Medical Case Reports Journal 2025, 18:621-627
Published Date: 26 May 2025
Clinical Differences Between Survivors and Non-Survivors of Ventilator-Associated Pneumonia: The Roles of Sulbactam/Ampicillin and Methicillin-Resistant Staphylococcus aureus
Seki M, Takimoto A, Inoue M, Niiyama K, Masuoka A, Kotajima F
Infection and Drug Resistance 2024, 17:5875-5879
Published Date: 27 December 2024
Clinical Features of Patients with COVID-19 Recurrence During Hospitalization in the Omicron Variant Surge
Seki M, Kubosawa C, Ono M, Kamoshita F, Shimizu A, Mitsutake K
Infection and Drug Resistance 2024, 17:5011-5015
Published Date: 11 November 2024
Severe Respiratory Syncytial Virus Infections in Elderly Persons During the COVID-19 Pandemic
Shimada D, Seki M
Infection and Drug Resistance 2024, 17:3669-3675
Published Date: 24 August 2024
Differences in Treatment Patterns and Patient Characteristics Between COVID-19 Patients Treated with Nirmatrelvir/Ritonavir and Ensitrelvir in Japan
Seki M
International Journal of General Medicine 2024, 17:3621-3624
Published Date: 20 August 2024
Effectiveness of Drip Infusion of Lascufloxacin, a Novel Fluoroquinolone Antibiotic, for Patients with Pneumonia Including Chronic Lung Disease Exacerbations and Lung Abscesses
Shimada D, Seki M
Infection and Drug Resistance 2024, 17:911-918
Published Date: 8 March 2024
COVID-19 and Listeria Meningitis Treated by Ampicillin, Sulfamethoxazole/Trimethoprim and Meropenem
Seki M, Karaushi H, Arai N, Hayashi T, Mitsutake K
Infection and Drug Resistance 2023, 16:4289-4295
Published Date: 3 July 2023
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
Shimada D, Sagawa M, Seki M
Infection and Drug Resistance 2023, 16:977-984
Published Date: 17 February 2023
Sequential Treatment by Antiviral Drugs Followed by Immunosuppressive Agents for COVID-19 Patients with Hematological Malignancy
Seki M, Hashimoto K, Kondo N, Ohya Y, Kotajima F, Mitsutake K
Infection and Drug Resistance 2022, 15:7117-7124
Published Date: 5 December 2022
Sinobronchial Syndrome Patients with Suspected Non-Tuberculous Mycobacterium Infection Exacerbated by Exophiala dermatitidis Infection
Watanabe Y, Sano H, Konno S, Kamioka Y, Hariu M, Takano K, Yamada M, Seki M
Infection and Drug Resistance 2022, 15:1135-1141
Published Date: 20 March 2022
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
Fukushi D, Murakami K, Watanabe Y, Sugimoto N, Uehara H, Seki M
Infection and Drug Resistance 2022, 15:1049-1054
Published Date: 14 March 2022
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
Imai H, Watanabe Y, Shimada D, Suzuki J, Endo S, Kaku M, Seki M
Infection and Drug Resistance 2021, 14:5137-5144
Published Date: 4 December 2021
Analysis of Risk Factors Associated with Reduced Trough Concentrations of Vancomycin in Relation to Renal Function in a Tertiary Hospital in Japan
Kashiwagura S, Kamioka Y, Seki M, Koshika S, Okada K
Infection and Drug Resistance 2021, 14:4207-4214
Published Date: 13 October 2021
Severe Pulmonary Mycobacterium abscessus Cases Due to Co-Infection with Other Microorganisms Well Treated by Clarithromycin and Sitafloxacin in Japan
Takano K, Shimada D, Kashiwagura S, Kamioka Y, Hariu M, Watanabe Y, Seki M
International Medical Case Reports Journal 2021, 14:465-470
Published Date: 12 July 2021
Detection of Representative Mutant Strains and a Case of Prolonged Infection by SARS-CoV-2 with Spike 69/70 Deletion in Japan
Takano K, Watanabe Y, Hariu M, Seki M
Infection and Drug Resistance 2021, 14:2579-2581
Published Date: 6 July 2021
Rhinovirus-Infected Patients in the COVID-19 Pandemic Period
Watanabe Y, Kamioka Y, Seki M
Infection and Drug Resistance 2021, 14:609-611
Published Date: 17 February 2021
Strategies for Geriatric Pneumonia in Healthcare Facilities – How Effective is Combined Influenza and Pneumococcal Vaccination?
Seki M
International Journal of General Medicine 2020, 13:663-666
Published Date: 18 September 2020
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
Kamioka Y, Kashiwagura S, Seki M
Clinical Pharmacology: Advances and Applications 2020, 12:131-134
Published Date: 21 August 2020
Evaluation of agar culture plates to efficiently identify small colony variants of methicillin-resistant Staphylococcus aureus
Watanabe Y, Oikawa N, Hariu M, Seki M
Infection and Drug Resistance 2019, 12:1743-1748
Published Date: 21 June 2019
Evaluation of blood culture broths with lysis buffer to directly identify specific pathogens by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry methods
Hariu M, Watanabe Y, Oikawa N, Manaka T, Seki M
Infection and Drug Resistance 2018, 11:1573-1579
Published Date: 24 September 2018
A case of Lyme disease in a Japanese woman
Seki M, Watanabe Y, Kawabata H
Infection and Drug Resistance 2018, 11:625-628
Published Date: 26 April 2018
Usefulness of matrix-assisted laser desorption ionization time-of-flight mass spectrometry to identify pathogens, including polymicrobial samples, directly from blood culture broths
Hariu M, Watanabe Y, Oikawa N, Seki M
Infection and Drug Resistance 2017, 10:115-120
Published Date: 19 April 2017
Ability of procalcitonin to diagnose bacterial infection and bacteria types compared with blood culture findings
Watanabe Y, Oikawa N, Hariu M, Fuke R, Seki M
International Journal of General Medicine 2016, 9:325-331
Published Date: 30 September 2016