Clinical Emergence of <i>Bacteroides-</i> Associated Anaerobic Bacteremia Due to Drug-Resistant Non- <i>Bacteroides fragilis</i> Species: A Multicentric Retrospective Observational Study

Non-<i>B. fragilis</i> shows increasing resistance to key antibiotics and is linked to higher 30-day mortality compared with <i>B. fragilis</i>.

Authors

Nobuyuki Ashizawa (ORCID: https://orcid.org/0009-0005-9468-6051)
Hiroshi Mukae (ORCID: https://orcid.org/0000-0002-1429-5706)
Takahiro Takazono (ORCID: https://orcid.org/0000-0002-0696-5386)
Yushi Murai (ORCID: https://orcid.org/0000-0001-6853-375X)
Noriho Sakamoto (ORCID: https://orcid.org/0000-0002-7577-476X)
Shotaro Ide (ORCID: https://orcid.org/0000-0001-7872-8147)
Naoki Iwanaga (ORCID: https://orcid.org/0000-0002-0680-390X)
Masataka Yoshida (ORCID: https://orcid.org/0000-0002-5621-955X)
Kazuaki Takeda (ORCID: https://orcid.org/0000-0003-1611-4435)
Ryotaro Kubo
Kosuke Kosai
Katsunori Yanagihara
Yoshitomo Morinaga
Yoshihiro Yamamoto
Kentaro Nagaoka

Institutions

University of Nagasaki (JP)
Nagasaki University Hospital (JP)
University of Toyama (JP)
Nagasaki University (JP)

Publication Details

Journal: Open Forum Infectious Diseases
Published: 2026-01-28
DOI: https://doi.org/10.1093/ofid/ofag047
Primary Topic: Bacterial Identification and Susceptibility Testing
Type: article
Field-Weighted Citation Impact: 0.00

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article

Clinical Emergence of Bacteroides- Associated Anaerobic Bacteremia Due to Drug-Resistant Non- Bacteroides fragilis Species: A Multicentric Retrospective Observational Study

Nobuyuki Ashizawa, Hiroshi Mukae, Takahiro Takazono, Yushi Murai et al.

Jan 28, 2026

Open Forum Infectious Diseases

Bacterial Identification and Susceptibility Testing

article

Clinical Emergence of Bacteroides- Associated Anaerobic Bacteremia Due to Drug-Resistant Non- Bacteroides fragilis Species: A Multicentric Retrospective Observational Study

Nobuyuki Ashizawa, Hiroshi Mukae, Takahiro Takazono, Yushi Murai, Noriho Sakamoto, Shotaro Ide, Naoki Iwanaga, Masataka Yoshida, Kazuaki Takeda, Ryotaro Kubo, Kosuke Kosai, Katsunori Yanagihara, Yoshitomo Morinaga, Yoshihiro Yamamoto, Kentaro Nagaoka

January 28, 2026article en

Abstract

Non-<i>B. fragilis</i> shows increasing resistance to key antibiotics and is linked to higher 30-day mortality compared with <i>B. fragilis</i>.

Open Forum Infectious DiseasesVol. 13(2)

University of Nagasaki (JP), Nagasaki University Hospital (JP), University of Toyama (JP), Nagasaki University (JP)

Good health and well-being

Openalex Percentile: Top 68%

Bacterial Identification and Susceptibility Testing

DOI Open Access PDF OpenAlex

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Clinical Emergence of <i>Bacteroides-</i> Associated Anaerobic Bacteremia Due to Drug-Resistant Non- <i>Bacteroides fragilis</i> Species: A Multicentric Retrospective Observational Study — Nobuyuki Ashizawa, Hiroshi Mukae, et al. · Open Forum Infectious Diseases (2026) | TGRS Research Map | TGRS