HIROKI KITAGAWA

Last Updated :2025/11/07

Affiliations, Positions
Hiroshima University Hospital, Associate Professor/Lecturer
E-mail
hkitagahiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Hiroshima University
  • Hiroshima University

Research Fields

  • Medicine,dentistry, and pharmacy;Clinical internal medicine;Infectious disease medicine
  • Medicine,dentistry, and pharmacy;Basic medicine;Bacteriology (including mycology)

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, Year, Systemic Disease Control
  2. 2025, Graduate Education (Master's Program) , 1Term, Seminar on Global Infectious Diseases

Research Activities

Academic Papers

  1. First human case of infected lymphocele with bloodstream infection caused by Staphylococcus coagulans transmitted from a pet dog: a case report, DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE, 112(3), 202507
    Link to Paper Search Results by DOI
  2. Staphylococcus aureus ST764-SCCmecII high-risk clone in bloodstream infections revealed through national genomic surveillance integrating clinical data, NATURE COMMUNICATIONS, 16(1), 20250319
    Link to Paper Search Results by DOI
  3. Clinical and microbiological characteristics of granulomatous mastitis caused by Corynebacterium species: A case series, JOURNAL OF INFECTION AND CHEMOTHERAPY, 31(3), 202503
    Link to Paper Search Results by DOI
  4. In vitro to clinical efficacy: Neutralizing antibodies against severe acute respiratory syndrome coronavirus 2 strains, JOURNAL OF INFECTION AND CHEMOTHERAPY, 31(4), 202504
    Link to Paper Search Results by DOI
  5. Non-tuberculous mycobacterial shoulder arthritis with acute exacerbation soon after initiation of immune checkpoint inhibitor: A case report, JOURNAL OF INFECTION AND CHEMOTHERAPY, 31(3), 202503
    Link to Paper Search Results by DOI
  6. Clinical diagnostic performance of droplet digital PCR for pathogen detection in patients with Escherichia coli bloodstream infection: a prospective observational study, BMC INFECTIOUS DISEASES, 25(1), 20250106
    Link to Paper Search Results by DOI
  7. Blood culture bottles for culturing cerebrospinal fluid in cases of bacterial meningitis caused by Enterococcus faecalis: A case report, JOURNAL OF INFECTION AND CHEMOTHERAPY, 31(1), 202501
    Link to Paper Search Results by DOI
  8. Genomic analysis and identification of a novel superantigen, SargEY, in Staphylococcus argenteus isolated from atopic dermatitis lesions, MSPHERE, 9(7), 20240730
    Link to Paper Search Results by DOI
  9. Genomic analysis of inter-hospital transmission of vancomycin-resistant Enterococcus faecium sequence type 80 isolated during an outbreak in Hiroshima, Japan, ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 68(5), 20240502
    Link to Paper Search Results by DOI
  10. Fosfomycin as salvage therapy for persistent methicillin-resistant Staphylococcus aureus bacteremia: A case series and review of the literature, JOURNAL OF INFECTION AND CHEMOTHERAPY, 30(4), 352-356, 202404
    Link to Paper Search Results by DOI
  11. First reported human case of isolation of Vagococcus fluvialis from the urine of a former zoo clerk in Japan: a case report, BMC INFECTIOUS DISEASES, 24(1), 20240321
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  12. Disseminated Mycobacterium abscessus infection with osteoarticular manifestations as an important differential diagnosis of inflammatory arthritis: A case report and literature review, MODERN RHEUMATOLOGY CASE REPORTS, 8(1), 49-54, 20231229
    Link to Paper Search Results by DOI
  13. A case of bacteremia caused by Dialister micraerophilus with Enterocloster clostridioformis and Eggerthella lenta in a patient with pyometra, BMC INFECTIOUS DISEASES, 24(1), 20240124
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  14. A case of bacteremia caused by Dialister micraerophilus with Enterocloster clostridioformis and Eggerthella lenta in a patient with pyometra, BMC Infect Dis., 24(1), 128, 20240124
  15. Fosfomycin as salvage therapy for persistent methicillin-resistant Staphylococcus aureus bacteremia: A case series and review of the literature, J Infect Chemother., 30(4), 352-356, 202404
  16. A case of bloodstream infection caused by Ruminococcus gnavus without gastrointestinal involvement., Heliyon., 9(5), e16011, 20230502
  17. Clinical characteristics of extrapulmonary nontuberculous mycobacteria infections in comparison with pulmonary infections: A single-center, retrospective study in Japan, JOURNAL OF INFECTION AND CHEMOTHERAPY, 29(9), 875-881, 202309
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  18. Virtual reality as a learning tool for improving infection control procedures, AMERICAN JOURNAL OF INFECTION CONTROL, 51(2), 129-134, 202302
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  19. ★, Viable SARS-CoV-2 detected in the air of hospital rooms of patients with COVID-19 with an early infection, INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES, 126, 73-78, 202301
    Link to Paper Search Results by DOI
  20. A case of bloodstream infection caused by Ruminococcus gnavus without gastrointestinal involvement, HELIYON, 9(5), 202305
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  21. Ceftolozane-Tazobactam Pharmacokinetics in the Abdominal Tissue of Patients Undergoing Lower Gastrointestinal Surgery: Dosing Considerations Based on Site-Specific Pharmacodynamic Target Attainment, INFECTIOUS DISEASES AND THERAPY, 12(1), 193-207, 202301
    Link to Paper Search Results by DOI
  22. Lung and Cerebral Nocardiosis Caused by Nocardia elegans in a Lung Transplant Recipient: A Case Report and Literature Review, INTERNAL MEDICINE, 62(3), 431-437, 2022
    Link to Paper Search Results by DOI
  23. Prevalence of Mycoplasma hominis, Ureaplasma urealyticum, and Ureaplasma parvum detection in urine and respiratory tract samples in Hiroshima, Japan, HELIYON, 9(3), 202303
    Link to Paper Search Results by DOI
  24. Pharmacokinetics of flomoxef in plasma, peritoneal fluid, peritoneum, and subcutaneous adipose tissue of patients undergoing lower gastrointestinal surgery: Dosing considerations based on site-specific pharmacodynamic target attainment, JOURNAL OF INFECTION AND CHEMOTHERAPY, 29(2), 186-192, 202302
    Link to Paper Search Results by DOI
  25. Pharmacokinetics of cefmetazole in plasma, peritoneal fluid, peritoneum, and subcutaneous adipose tissue of patients scheduled for lower gastrointestinal surgery: Dosing considerations based on site-specific pharmacodynamic target attainment, JOURNAL OF INFECTION AND CHEMOTHERAPY, 29(3), 309-315, 202303
    Link to Paper Search Results by DOI
  26. Case Report: Emphysematous Pyelonephritis With a Congenital Giant Ureterocele, FRONTIERS IN PEDIATRICS, 9, 20211126
    Link to Paper Search Results by DOI
  27. Clinical characteristics of Actinotignum schaalii bacteremia in a Japanese tertiary hospital, ANAEROBE, 77, 202210
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  28. Case Report: Emphysematous Pyelonephritis With a Congenital Giant Ureterocele, Frontiers in Pediatrics, 9, 775468, 20211126
  29. Surveillance of multi-drug resistance phenotypes in Staphylococcus aureus in Japan and correlation with whole-genome sequence findings, JOURNAL OF HOSPITAL INFECTION, 123, 34-42, 202205
    Link to Paper Search Results by DOI
  30. Duration of infectious viral shedding in patients with mild to moderate COVID-19 treated with REGN-CoV2?, JOURNAL OF INFECTION AND CHEMOTHERAPY, 28(7), 912-917, 202207
    Link to Paper Search Results by DOI
  31. Adverse reactions to the BNT162b2 and mRNA-1273 mRNA COVID-19 vaccines in Japan, JOURNAL OF INFECTION AND CHEMOTHERAPY, 28(4), 576-581, 202204
    Link to Paper Search Results by DOI
  32. In vitro Suppression of SARS-CoV-2 Infection by Existing Kampo Formulas and Crude Constituent Drugs Used for Treatment of Common Cold Respiratory Symptoms, FRONTIERS IN PHARMACOLOGY, 13, 20220329
    Link to Paper Search Results by DOI
  33. Increased clostridium difficile infection in the era of preoperative chemotherapy for pancreatic cancer, PANCREATOLOGY, 22(2), 258-263, 202203
    Link to Paper Search Results by DOI
  34. ★, Effect of pulsed xenon ultraviolet disinfection on methicillin-resistant Staphylococcus aureus contamination of high-touch surfaces in a Japanese hospital, Am J Infect Control, 48(2), 139-142, 202002
  35. Efficacy of pulsed xenon ultraviolet disinfection of multidrug-resistant bacteria and Clostridioides difficile spores, INFECTION DISEASE & HEALTH, 25(3), 181-185, 202008
    Link to Paper Search Results by DOI
  36. Prosthetic Valve Endocarditis Caused by ST8 SCCmecIVl Type Community-associated Methicillin-resistant Staphylococcus aureus, Intern Med, 58(5), 743-747, 201903
  37. Low incidence of Staphylococcus argenteus bacteremia in Hiroshima, Japan, J Infect Chemother, 26(1), 140-143, 202001
  38. Aeromonas dhakensis is not a rare cause of Aeromonas bacteremia in Hiroshima, Japan, J Infect Chemother, 26(2), 316-320, 202002
  39. Successful surgical procedure based on careful preoperative imaging for chronic idiopathic colonic pseudo-obstruction: a case report, SURGICAL CASE REPORTS, 6(1), 20201028
    Link to Paper Search Results by DOI
  40. Effectiveness of pulsed xenon ultraviolet disinfection for Clostridioides (Clostridium) difficile surface contamination in a Japanese hospital, AMERICAN JOURNAL OF INFECTION CONTROL, 49(1), 55-58, 202101
    Link to Paper Search Results by DOI
  41. ★, Effectiveness of 222-nm ultraviolet light on disinfecting SARS-CoV-2 surface contamination, AMERICAN JOURNAL OF INFECTION CONTROL, 49(3), 299-301, 202103
    Link to Paper Search Results by DOI
  42. Complete Genome Sequence of Aeromonas caviae Strain MS6064, a mcr-3-Carrying Clinical Isolate from Japan, MICROBIOLOGY RESOURCE ANNOUNCEMENTS, 10(9), 202103
    Link to Paper Search Results by DOI
  43. Complicated cutaneous leishmaniasis caused by an imported case of Leishmania tropica in Japan: a case report, TROPICAL MEDICINE AND HEALTH, 49(1), 20210306
    Link to Paper Search Results by DOI
  44. Effect of intermittent irradiation and fluence-response of 222 nm ultraviolet light on SARS-CoV-2 contamination, PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, 33, 202103
    Link to Paper Search Results by DOI
  45. Methicillin-resistant Staphylococcus aureus contamination of hospital-use-only mobile phones and efficacy of 222-nm ultraviolet disinfection, AMERICAN JOURNAL OF INFECTION CONTROL, 49(6), 800-803, 202106
    Link to Paper Search Results by DOI
  46. High incidence of postoperative silent venous thromboembolism in ulcerative colitis: a retrospective observational study, BMC SURGERY, 21(1), 20210519
    Link to Paper Search Results by DOI
  47. Clinical and microbiological characteristics of Eggerthella lenta bacteremia at a Japanese tertiary hospital, JOURNAL OF INFECTION AND CHEMOTHERAPY, 27(8), 1261-1264, 202108
    Link to Paper Search Results by DOI
  48. Pilot study on the decontamination efficacy of an installed 222-nm ultraviolet disinfection device (Care222(TM)), with a motion sensor, in a shared bathroom, PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, 34, 202106
    Link to Paper Search Results by DOI
  49. Ulcerative colitis-associated rectal cancer resected and diagnosed by rectovesical fistula: a case report, CLINICAL JOURNAL OF GASTROENTEROLOGY, 14(4), 1163-1168, 202108
    Link to Paper Search Results by DOI
  50. Implanted Port Catheter System Infection Caused by Methicillin-resistant Staphylococcus pseudintermedius ST71-SCCmec type III, INTERNAL MEDICINE, 60(14), 2337-2340, 2021
    Link to Paper Search Results by DOI
  51. Combining pulsed xenon ultraviolet disinfection with terminal manual cleaning helps reduce the acquisition rate of methicillin-resistant Staphylococcus aureus, AMERICAN JOURNAL OF INFECTION CONTROL, 49(8), 1048-1051, 202108
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  52. The effect of pulsed-xenon ultraviolet disinfection on surfaces contaminated with vancomycin-resistant Enterococci in a Japanese hospital, JOURNAL OF INFECTION AND CHEMOTHERAPY, 27(11), 1665-1668, 202111
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  53. Duration of infectious virus shedding in patients with severe coronavirus disease 2019 who required mechanical ventilation, JOURNAL OF INFECTION AND CHEMOTHERAPY, 28(1), 19-23, 202201
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  54. Postoperative mediastinitis after cardiac surgery caused by Mycoplasma hominis: a case report, SURGICAL CASE REPORTS, 7(1), 20211123
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  55. Laboratory identification and clinical characteristics of Streptococcus bovis/Streptococcus equinus complex bacteremia: a retrospective, multicenter study in Hiroshima, Japan, BMC INFECTIOUS DISEASES, 21(1), 20211126
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  56. Vertebral osteomyelitis caused by Mycobacteroides abscessus subsp. abscessus resulting in spinal cord injury due to vertebral body fractures, JOURNAL OF INFECTION AND CHEMOTHERAPY, 28(2), 290-294, 202202
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. Effectiveness of 222nm ultraviolet light on disinfecting SARS-CoV-2 surface contamination, Hiroki Kitagawa, Toshihito Nomura, Hiroki Ohge, IUVA ASIA WORKSHOP 2021, 2021/02/19, Without Invitation, English, International ultraviolet association (IUVA), Online
    Related URL
  2. Changing Epidemiology of Methicillin-Resistant Staphylococcus aureus Causing Bacteremia in Hiroshima, Japan during 2008-2017., Kitagawa H, Ohge H, Hisatsune J, Sugai M, Infectious Diseases Week 2019, 2019/10/04, Without Invitation, English, Washington, DC

Awards

  1. 2025/01/25, The 36th Annual Meeting of Japanese Society for Clinical Microbiology Best Presentation Award, 末梢血検体を用いたデジタルPCR による黄色ブドウ球菌菌血症の診断
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  2. 2024/11/16, The 19th encouraging award in the category of basic research conferred by the west Japan branch of the Japanese Society of Chemotherapy
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  3. 2023/06/14, Young Investigator Award, First International Conference on Far-UVC Science and Technology (ICFUST)