Evidence map›Paper›PMID 42776995›Full record

ArticlePloS one2026

Rapid identification and antimicrobial susceptibility testing of pathogenic microorganisms from positive blood cultures.

Wenna Xu, Xiaomin Liu, Nansong Xu, Xiaohui Li, Fangqi Liu, Qianyan Li, Minqi Li, Zulu Ye, Xin Zheng

Abstract read
In one paragraph

Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Wenna XuDepartment of Clinical Laboratory, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.ORCID https://orcid.org/0009-0006-9312-8506
Xiaomin LiuDepartment of Clinical Laboratory, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.
Nansong XuDepartment of Clinical Laboratory, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.
Xiaohui LiDepartment of Clinical Laboratory, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.
Fangqi LiuSchool of Medical Technology, Guangdong Medical University, Dongguan, China.
Qianyan LiYunkang School of Medicine and Health, Nanfang College Guangzhou, Guangzhou, China.
Minqi LiYunkang School of Medicine and Health, Nanfang College Guangzhou, Guangzhou, China.
Zulu YeDepartment of Molecular Diagnostics, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.
Xin ZhengDepartment of Clinical Laboratory, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, China.ORCID https://orcid.org/0000-0003-1489-7886

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeBloodstream infections (BSIs) are severe illnesses associated with high mortality. Delays in obtaining microbial culture results often hinder timely targeted antimicrobial therapy. Our study aimed to evaluate the feasibility of rapid pathogen identification (ID) and antimicrobial susceptibility testing (AST) in BSIs.

methodsPositive blood culture (BC) broth was transferred into separation gel vacuum blood collection tubes for preprocessing, followed by pathogen identification via matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Identification concordance rates (ICRs) were calculated against the conventional reference method. Bacterial membrane rapid AST (BMR-AST) and positive blood culture medium rapid AST (PBCMR-AST) were performed using cultured bacterial membrane and raw positive BC medium, respectively, with results compared to conventional method.

resultsA total of 210 specimens were analysed for rapid ID. ICRs were 74.6% (88/118) for Gram-negative bacteria (GNB), 37.2% (29/78) for Gram-positive bacteria (GPB), and 14.3% (2/14) for fungi. BMR-AST yielded category agreement (CA) >96% for 58 GNB (96.8%, 1125/1162) and 24 Gram-positive cocci (GPC, 97.7%, 334/342), with essential agreement (EA) above 97% for both groups. PBCMR-AST achieved 94.1% CA (270/287) among 65 Enterobacterales; overall CA reached 94.7% (557/588) across 70 GNB and 28 GPC for additional antimicrobials.

conclusionThis rapid ID workflow performed well for GNB but suboptimally for GPB and fungi. Both rapid ASTs showed excellent concordance with the standard method for both GNB and GPC. These approaches can substantially shorten the turnaround time of positive BCs and hold promising clinical value for early BSI management.

Indexed as

Blood CultureFungiGram-Negative BacteriaGram-Positive BacteriaAnti-Bacterial AgentsBacteriaHumansMicrobial Sensitivity TestsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAnti-Bacterial Agents

Identifiers

PMID42776995
PMCPMC13600488

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