Publications by authors named "Brian Hayama"

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infections in oncologic patients: clinical spectrum, resistance profiles, and evidence of nosocomial transmission.
Kenya Yukawa, Sohei Harada, Kohji Komori, Brian Hayama, Daisuke Ohkushi

J Clin Microbiol· October 2025

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Genomic epidemiology and antimicrobial resistance of , the predominant species of human pathogens within the complex.
Sohei Harada, Kohji Komori, Kenya Yukawa, Brian Hayama, Kazumi Takehana

J Clin Microbiol· August 2025

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Clinical and microbiological characteristics of skin and soft tissue infections of the extremities with bacteremia in patients with malignancy.
Taisuke Enokida, Sohei Harada, Koh Okamoto, Daisuke Ohkushi, Koichi Takeda, Brian Hayama

J Infect Chemother· April 2025

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Transmission of global clones of NDM-producing Enterobacterales and interspecies spread of IncX3 plasmid harbouring bla in Tokyo.
Sohei Harada, Kotaro Aoki, Yusuke Nomura, Yuki Ohama, Hideki Araoka, Brian Hayama

J Glob Antimicrob Resist· September 2024

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Outbreak of ST646 in a head and neck surgical oncology ward.
Brian Hayama, Sohei Harada, Masahiro Suzuki, Yohei Doi, Yusuke Nomura

Microbiol Spectr· May 2024

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Osteomyelitis pubis caused by secondary to surgical site infections subsequent to vulvar cancer surgeries: A case report.
Makiko Omi, Yumiko Oishi Tanaka, Taisuke Enokida, Brian Hayama, Keiko Hayakawa

Gynecol Oncol Rep· December 2023

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Comparison of the Treatment Outcome of Piperacillin-Tazobactam versus Carbapenems for Patients with Bacteremia Caused by Extended-Spectrum β-Lactamase-Producing Escherichia coli in Areas with Low Frequency of Coproduction of OXA-1: a Preliminary Analysis.
Kosuke Hoashi, Brian Hayama, Masahiro Suzuki, Aki Sakurai, Kazumi Takehana

Microbiol Spectr· August 2022

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Clinical characteristics and risk factors associated with Pneumocystis jirovecii infection in patients with solid tumors: study of thirteen-year medical records of a large cancer center.
Koichi Takeda, Sohei Harada, Brian Hayama, Kosuke Hoashi, Taisuke Enokida

BMC Cancer· September 2021

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Institutional outbreak involving multiple clades of IMP-producing Enterobacter cloacae complex sequence type 78 at a cancer center in Tokyo, Japan.
Sohei Harada, Kotaro Aoki, Daisuke Ohkushi, Koh Okamoto, Kazumi Takehana, Brian Hayama

BMC Infect Dis· March 2021

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Changes in Treatment Behavior during the COVID-19 Pandemic among Patients at a Cancer Hospital.
Yasuyoshi Sato, Yu Fujiwara, Naoki Fukuda, Brian Hayama, Yoshinori Ito

Cancer Cell· February 2021

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Screening for COVID-19 in Symptomatic Cancer Patients in a Cancer Hospital.
Yu Fujiwara, Yasuyoshi Sato, Xiaofei Wang, Katsunori Oikado, Yoshinao Sato, Brian Hayama

Cancer Cell· November 2020

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Clinical characteristics of peripheral venous catheter-associated gram-negative bloodstream infection among patients with malignancy.
Toshiharu Sasaki, Sohei Harada, Shungo Yamamoto, Daisuke Ohkushi, Brian Hayama

PLoS One· April 2020

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Fatal invasive pulmonary aspergillosis caused by voriconazole-resistant Aspergillus tubingensis in a patient with solid tumor.
Sohei Harada, Daisuke Ohkushi, Kenji Nakano, Hiroki Mitani, Yutaka Yamamoto, Brian Hayama

J Infect Chemother· March 2020

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Effect of early administration of coagulation factor XIII on fistula after pancreatic surgery: the FIPS randomized controlled trial.
Yoshinori Takeda, Yoshihiro Mise, Naoki Ishizuka, Sohei Harada, Brian Hayama

Langenbecks Arch Surg· December 2018

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Comparison of the clinical risk factors between Candida albicans and Candida non-albicans species for bloodstream infection.
Katsumi Shigemura, Kayo Osawa, Takumi Jikimoto, Hiroyuki Yoshida, Brian Hayama

J Antibiot (Tokyo)· April 2014

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High frequency of neurolymphomatosis as a relapse disease of intravascular large B-cell lymphoma.
Kosei Matsue, Brian Y Hayama, Kan-Ichi Iwama, Takafumi Koyama, Hideaki Fujiwara

Cancer· October 2011

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Gross hematopyuria presenting as a first symptom due to the bladder infiltration of extranodal Burkitt's lymphoma.
Hideaki Fujiwara, Jun Odawara, Brian Hayama, Yoko Takanashi, Kan-ichi Iwama

J Clin Oncol· June 2010

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Diminished alpha2-plasmin inhibitor activity associated with the use of imatinib mesylate in patients with Philadelphia chromosome-positive haematologic cancer.
Kosei Matsue, Keitaro Matsuo, Hideaki Fujiwara, Kan-Ichi Iwama, Brian Y Hayama

Thromb Haemost· June 2009

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